Hello.
Over 30 minutes ago, my client and I were unable to boot up a 15" 2008 MacBook Pro, with Mac OS X El Capitan v10.11.6, after it was accidently powered off from its physical move between tables with its power cable connected (still have its original battery inside). We tried unplugging everything (USB mouse and printer) and letting it cool down (was pretty
warm in high 60F degrees kitchen). The only thing that still works is
its MagSafe's light (green). I didn't smell anything burning either.
Is this over decade old machine finally dead? :(
On 2019-04-02 11:05 a.m., Ant wrote:
Hello.
Over 30 minutes ago, my client and I were unable to boot up a 15" 2008 MacBook Pro, with Mac OS X El Capitan v10.11.6, after it was accidently powered off from its physical move between tables with its power cable connected (still have its original battery inside). We tried unplugging everything (USB mouse and printer) and letting it cool down (was pretty warm in high 60F degrees kitchen). The only thing that still works is
its MagSafe's light (green). I didn't smell anything burning either.
Is this over decade old machine finally dead? :(
So I'm assuming you get no startup chime, no indication at all that the machine is trying to start?
<https://support.apple.com/en-ca/HT201295>
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
On 2019-04-02 11:05 a.m., Ant wrote:
Hello.
Over 30 minutes ago, my client and I were unable to boot up a 15" 2008
MacBook Pro, with Mac OS X El Capitan v10.11.6, after it was accidently
powered off from its physical move between tables with its power cable
connected (still have its original battery inside). We tried unplugging
everything (USB mouse and printer) and letting it cool down (was pretty
warm in high 60F degrees kitchen). The only thing that still works is
its MagSafe's light (green). I didn't smell anything burning either.
Is this over decade old machine finally dead? :(
So I'm assuming you get no startup chime, no indication at all that the
machine is trying to start?
Woah. Quick answer already. Thanks. "Yes, you are correct sir." --Ed
McMann. NOTHING. I don't even hear its HDD.
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if
it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
On 4/2/19 2:23 PM, Ant wrote:^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
On 2019-04-02 11:05 a.m., Ant wrote:
Hello.
Over 30 minutes ago, my client and I were unable to boot up a 15" 2008 >>>> MacBook Pro, with Mac OS X El Capitan v10.11.6, after it was accidently >>>> powered off from its physical move between tables with its power cable >>>> connected (still have its original battery inside). We tried unplugging >>>> everything (USB mouse and printer) and letting it cool down (was pretty >>>> warm in high 60F degrees kitchen). The only thing that still works is
its MagSafe's light (green). I didn't smell anything burning either.
Is this over decade old machine finally dead? :(
So I'm assuming you get no startup chime, no indication at all that the
machine is trying to start?
Woah. Quick answer already. Thanks. "Yes, you are correct sir." --Ed
McMann. NOTHING. I don't even hear its HDD.
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if
it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
Have you tried resetting the SMC? https://support.apple.com/en-us/HT201295
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if
it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
Ant wrote:
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if
it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
I had a similar problem with the 15" MBP Late07. Sometimes it chimed and
then just 'died', sometimes nothing when pressing the start button. So
my guess is that the controlling chip on the orig. battery has died.
When/if this happens, the MBP won't boot - no chime, nothing... - As you already have found out removing the battery partially solves the problem booting the MBP.
So I'll recommend to buy a new battery for it. I found some quite good
and affordable batteries in a UK based webstore with even higher
capacity than the original. Price was only apprx. £16 + shipping to
Denmark. I bought 2 pcs. apprx. £43 incl. FirstClass Royal Mail. - This
is less than half of what *1* orig. battery will cost!
A full charge lasts apprx. 5,5 hours which is fairly good for the Late07
and the 2008 models.
Find the battery model number and just search on eBay.com, and I think
you can get these 3.-party batteries just as cheap in the US.
Cheers, Erik Richard
The Canon brand batteries were quite expensive so I ordered some third
party ones from a couple of highly rated Ebay sellers. That was a
mistake- three to four day self-discharge, limited number of pictures
using them in the cameras and they got pretty hot when charging.
Not sure it things are any better these days- or if I just picked bad
vendors back then- or if laptop batteries are a different story than
camera batteries.
The Canon brand batteries were quite expensive so I ordered some third
party ones from a couple of highly rated Ebay sellers.
Ant wrote:
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if
it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
I had a similar problem with the 15" MBP Late07. Sometimes it chimed and
then just 'died', sometimes nothing when pressing the start button. So
my guess is that the controlling chip on the orig. battery has died.
When/if this happens, the MBP won't boot - no chime, nothing... - As you already have found out removing the battery partially solves the problem booting the MBP.
So I'll recommend to buy a new battery for it. I found some quite good
and affordable batteries in a UK based webstore with even higher
capacity than the original. Price was only apprx. £16 + shipping to
Denmark. I bought 2 pcs. apprx. £43 incl. FirstClass Royal Mail. - This
is less than half of what *1* orig. battery will cost!
A full charge lasts apprx. 5,5 hours which is fairly good for the Late07
and the 2008 models.
Find the battery model number and just search on eBay.com, and I think
you can get these 3.-party batteries just as cheap in the US.
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
In article <T_Gdnd9wha3SUTvBnZ2dnUU7-QWdnZ2d@earthlink.com>, Ant
<ant@zimage.comANT> wrote:
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
In article <ggpbtoFeehvU1@mid.individual.net>, Jolly Roger <jollyroger@pobox.com> wrote:
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
...which can result in volume corruption and data loss.
true, but i've not seen that happen.
the big issue is that it's much slower, roughly half-speed.
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and there is also the risk of a sudden shutdown if there's a power glitch.
...which can result in volume corruption and data loss.
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>don't do that. without a battery, it will run significantly slower and >>> there is also the risk of a sudden shutdown if there's a power glitch.
...which can result in volume corruption and data loss.
true, but i've not seen that happen.
the big issue is that it's much slower, roughly half-speed.
Is that the same on non-Apple hardware?
In article <MGLpE.61913$0n2.8673@fx28.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
...which can result in volume corruption and data loss.My client didn't want a new battery since he rarely uses it. It's very >>>>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>>>don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
true, but i've not seen that happen.
the big issue is that it's much slower, roughly half-speed.
Is that the same on non-Apple hardware?
depends on the hardware.
the big issue is that it's much slower, roughly half-speed.
Is that the same on non-Apple hardware?
depends on the hardware.
How about a Toshiba Satellite laptop?
In article <T_Gdnd9wha3SUTvBnZ2dnUU7-QWdnZ2d@earthlink.com>, Ant <ant@zimage.comANT> wrote:
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
On 2019-04-05 08:29, nospam wrote:
In article <T_Gdnd9wha3SUTvBnZ2dnUU7-QWdnZ2d@earthlink.com>, Ant
<ant@zimage.comANT> wrote:
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
My client didn't want a new battery since he rarely uses it. It's very >>> old and slow. We kept its battery slot empty so it can boot up normally. >>don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
In article <qYydnZ4WX4YxOjrBnZ2dnUU7-cmdnZ2d@giganews.com>, Alan Browne <bitbucket@blackhole.com> wrote:
don't do that. without a battery, it will run significantly slower and
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter
alone can source.
In <TaOpE.846$Df6.572@fx30.fr7> David in Devon <BDonTJ@REMOVE.gmail.com> writes:
because peak demands can potentially be above what the power adapter
alone can source.
Bullshit
Do you enjoy demonstrating just how dumb you are?
because peak demands can potentially be above what the power adapter
alone can source.
Bullshit
don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
On 05/04/2019 20:35, nospam wrote:
In article <qYydnZ4WX4YxOjrBnZ2dnUU7-cmdnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
My client didn't want a new battery since he rarely uses it. It's very >>>>> old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower and >>>> there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter
alone can source.
Bullshit
In article <00OpE.1228$g16.883@fx26.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
My client didn't want a new battery since he rarely uses it. It's very >>>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>>don't do that. without a battery, it will run significantly slower and >>>> there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
In <TaOpE.846$Df6.572@fx30.fr7> David in Devon <BDonTJ@REMOVE.gmail.com> writes:
because peak demands can potentially be above what the power adapter
alone can source.
Bullshit
Do you enjoy demonstrating just how dumb you are?
don't do that. without a battery, it will run significantly slower and >>> there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
this is, indeed, a real issue. Sometimes...
The power draw as the drive starts spinning up might easily
be more than the transformer can provide.
For argument's sake, let's just say the wall wart can
provide 50 watts. The basic draw of the unit might
be 35. Call it 45 when charging the battery.
However, when the drives start up (and other items
with initial surges, too), they might be trying to
get 100 watts. Yeah, only for a couple of seconds,
or maybe just a fraction of one, but that's more
than the power cord will have at hand.
The battery provides those extra electrons...
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>> old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and >>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
THREE newsgroups are involved.
On 05/04/2019 20:35, nospam wrote:
In article <00OpE.1228$g16.883@fx26.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's
very
old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
THREE newsgroups are involved.
In article <7lPpE.15388$Kb7.7055@fx09.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>>> old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and >>>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>>
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
i didn't fail to answer nor did you ask what you claim to have asked.
not only are you again wrong yet again, but you continue to demonstrate
just how incredibly stupid you are.
THREE newsgroups are involved.
so what?
On 2019-04-05 15:40, David in Devon wrote:
On 05/04/2019 20:35, nospam wrote:
In article <qYydnZ4WX4YxOjrBnZ2dnUU7-cmdnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?
My client didn't want a new battery since he rarely uses it. It's
very
old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
because peak demands can potentially be above what the power adapter
alone can source.
Bullshit
It depends on the charger. Apple made multiple chargers which would work
with that model. The lower-end ones simply didn't provide the power
necessary to run the CPU at max by themselves, they needed battery power
as well. This meant that, yes, when running at full power, the laptops
would slowly lose charge even when plugged in. Fortunately this was only
for peak CPU usage, which was not usually prolonged, so the battery
would start to charge again when the CPU usage went down. Or the user
could just get a more powerful charger.
Note that this still happens with some devices. If I use the standard
iPhone charger with my iPhone 6 while I'm running something CPU
intensive, such as Civilization 6, the iPhone will lose charge, slowly.
If I use a more powerful charger, either a 3rd-party charger such as the Belkin I normally carry in my laptop bag, or the charger for an iPad,
this does not happen. The iPad itself has been known to slowly lose
charge when plugged into the USB port in my car, a Toyota, if I'm
running intensive apps on it.
On 2019-04-05 1:59 p.m., David in Devon wrote:
On 05/04/2019 20:35, nospam wrote:
In article <00OpE.1228$g16.883@fx26.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
My client didn't want a new battery since he rarely uses it. It's >>>>>>> very
old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower >>>>>> and
there is also the risk of a sudden shutdown if there's a power
glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
You didn't ask whether it would run slower without a battery or why it
would do so.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
THREE newsgroups are involved.
On 05/04/2019 22:04, nospam wrote:
In article <7lPpE.15388$Kb7.7055@fx09.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
My client didn't want a new battery since he rarely uses it.
It's very
old and slow. We kept its battery slot empty so it can boot up >>>>>>>> normally.
don't do that. without a battery, it will run significantly
slower and
there is also the risk of a sudden shutdown if there's a power
glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
i didn't fail to answer nor did you ask what you claim to have asked.
not only are you again wrong yet again, but you continue to demonstrate
just how incredibly stupid you are.
It's probably an age thing. :-)
THREE newsgroups are involved.
so what?
You said "which is irrelevant for
*THIS* newsgroup."
You should pay more attention to detail, dopey. :-P
On 2019-04-05 2:31 p.m., David in Devon wrote:
On 05/04/2019 22:04, nospam wrote:
In article <7lPpE.15388$Kb7.7055@fx09.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
My client didn't want a new battery since he rarely uses it. >>>>>>>>> It's very
old and slow. We kept its battery slot empty so it can boot up >>>>>>>>> normally.
don't do that. without a battery, it will run significantly
slower and
there is also the risk of a sudden shutdown if there's a power >>>>>>>> glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for >>>>> this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
i didn't fail to answer nor did you ask what you claim to have asked.
not only are you again wrong yet again, but you continue to demonstrate
just how incredibly stupid you are.
It's probably an age thing. :-)
THREE newsgroups are involved.
so what?
You said "which is irrelevant for
*THIS* newsgroup."
You should pay more attention to detail, dopey. :-P
It's irrelevant to all the other groups included as well, twit.
On 05/04/2019 20:35, nospam wrote:
In article <00OpE.1228$g16.883@fx26.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's
very
old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for
this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
In article <ggpbtoFeehvU1@mid.individual.net>, Jolly Roger <jollyroger@pobox.com> wrote:normally.
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up
don't do that. without a battery, it will run significantly slower and
there is also the risk of a sudden shutdown if there's a power glitch.
...which can result in volume corruption and data loss.
true, but i've not seen that happen.
the big issue is that it's much slower, roughly half-speed.
THREE newsgroups are involved.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
You didn't ask whether it would run slower without a battery or why it would do so.
You are correct. I shall endeavour to be more precise.
In article <kDPpE.1836$0E1.177@fx22.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter >>>>> alone can source.
Bullshit
It depends on the charger. Apple made multiple chargers which would work >>> with that model. The lower-end ones simply didn't provide the power
necessary to run the CPU at max by themselves, they needed battery power >>> as well. This meant that, yes, when running at full power, the laptops
would slowly lose charge even when plugged in. Fortunately this was only >>> for peak CPU usage, which was not usually prolonged, so the battery
would start to charge again when the CPU usage went down. Or the user
could just get a more powerful charger.
Note that this still happens with some devices. If I use the standard
iPhone charger with my iPhone 6 while I'm running something CPU
intensive, such as Civilization 6, the iPhone will lose charge, slowly.
If I use a more powerful charger, either a 3rd-party charger such as the >>> Belkin I normally carry in my laptop bag, or the charger for an iPad,
this does not happen. The iPad itself has been known to slowly lose
charge when plugged into the USB port in my car, a Toyota, if I'm
running intensive apps on it.
Thank you for your sensible answer. :-)
I've never owned an Apple laptop so defer to your experience.
then why did you say bullshit?
I have
used other types of laptop since the 1980's and have never had a problem
running on a power supply with or without the battery being fitted.
what other mystery unnamed laptops you supposedly used do is irrelevant
and it's highly unlikely you know how to properly determine anything,
but even if you didn't notice a speed decrease in your very limited experience, that doesn't mean all other laptops ever made will function
in the same manner.
The inverter on my narrowboat isn't a pure sine wave device. I've had no
problem so far, over a number of years, in charging our iPhones and iPad
but am just a little concerned that I may have a problem with my brand
new iPad Pro. Do you have sufficient knowledge to comment on this?
yes, i do. in fact, more than sufficient.
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter >>>>> alone can source.
Bullshit
It depends on the charger. Apple made multiple chargers which would work >>> with that model. The lower-end ones simply didn't provide the power
necessary to run the CPU at max by themselves, they needed battery power >>> as well. This meant that, yes, when running at full power, the laptops >>> would slowly lose charge even when plugged in. Fortunately this was only >>> for peak CPU usage, which was not usually prolonged, so the battery
would start to charge again when the CPU usage went down. Or the user
could just get a more powerful charger.
Note that this still happens with some devices. If I use the standard
iPhone charger with my iPhone 6 while I'm running something CPU
intensive, such as Civilization 6, the iPhone will lose charge, slowly. >>> If I use a more powerful charger, either a 3rd-party charger such as the >>> Belkin I normally carry in my laptop bag, or the charger for an iPad,
this does not happen. The iPad itself has been known to slowly lose
charge when plugged into the USB port in my car, a Toyota, if I'm
running intensive apps on it.
Thank you for your sensible answer. :-)
I've never owned an Apple laptop so defer to your experience.
then why did you say bullshit?
Maybe because so many of your responses on Usenet newsgroups are totally unreliable.
I have
used other types of laptop since the 1980's and have never had a problem >> running on a power supply with or without the battery being fitted.
what other mystery unnamed laptops you supposedly used do is irrelevant
and it's highly unlikely you know how to properly determine anything,
but even if you didn't notice a speed decrease in your very limited experience, that doesn't mean all other laptops ever made will function
in the same manner.
True
The inverter on my narrowboat isn't a pure sine wave device. I've had no >> problem so far, over a number of years, in charging our iPhones and iPad >> but am just a little concerned that I may have a problem with my brand
new iPad Pro. Do you have sufficient knowledge to comment on this?
yes, i do. in fact, more than sufficient.
You so often boast, but then fail to help others with their queries.
I doubt you have ANY experience with the new iPad Pro.
[snippeth]
don't do that. without a battery, it will run significantly slower and >>>> there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
this is, indeed, a real issue. Sometimes...
The power draw as the drive starts spinning up might easily
be more than the transformer can provide.
For argument's sake, let's just say the wall wart can
provide 50 watts. The basic draw of the unit might
be 35. Call it 45 when charging the battery.
However, when the drives start up (and other items
with initial surges, too), they might be trying to
get 100 watts. Yeah, only for a couple of seconds,
or maybe just a fraction of one, but that's more
than the power cord will have at hand.
The battery provides those extra electrons...
On 05/04/2019 22:33, Alan Baker wrote:
On 2019-04-05 2:31 p.m., David in Devon wrote:
On 05/04/2019 22:04, nospam wrote:
In article <7lPpE.15388$Kb7.7055@fx09.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
i didn't fail to answer nor did you ask what you claim to have asked.
My client didn't want a new battery since he rarely uses it. >>>>>>>>>> It's very
old and slow. We kept its battery slot empty so it can boot up >>>>>>>>>> normally.
don't do that. without a battery, it will run significantly
slower and
there is also the risk of a sudden shutdown if there's a power >>>>>>>>> glitch.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for >>>>>> this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer. >>>>
not only are you again wrong yet again, but you continue to demonstrate >>>> just how incredibly stupid you are.
It's probably an age thing. :-)
THREE newsgroups are involved.
so what?
You said "which is irrelevant for
*THIS* newsgroup."
You should pay more attention to detail, dopey. :-P
It's irrelevant to all the other groups included as well, twit.
Are you deliberately obtuse, Alan?
In article <VOPpE.64949$C44.37070@fx16.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for >>>>> this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer.
i didn't fail to answer nor did you ask what you claim to have asked.
not only are you again wrong yet again, but you continue to demonstrate
just how incredibly stupid you are.
It's probably an age thing. :-)
no, it's definitely not.
it's a mental deficiency thing.
don't do that. without a battery, it will run significantly slower and >>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
this is, indeed, a real issue. Sometimes...
The power draw as the drive starts spinning up might easily
be more than the transformer can provide.
For argument's sake, let's just say the wall wart can
provide 50 watts. The basic draw of the unit might
be 35. Call it 45 when charging the battery.
However, when the drives start up (and other items
with initial surges, too), they might be trying to
get 100 watts. Yeah, only for a couple of seconds,
or maybe just a fraction of one, but that's more
than the power cord will have at hand.
The battery provides those extra electrons...
This sounds plausible. Thank you.
Perhaps a failing in early Apple laptops?
I have no experience of an Apple laptop - just an iMac for the past 10
years and an iPad and iPhones for less time.
not only are you again wrong yet again, but you continue to demonstrate >>> just how incredibly stupid you are.
It's probably an age thing. :-)
no, it's definitely not.
it's a mental deficiency thing.
It's a character deficiency thing.
On 2019-04-05 2:37 p.m., nospam wrote:
In article <VOPpE.64949$C44.37070@fx16.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
i didn't fail to answer nor did you ask what you claim to have asked.
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for >>>>>> this newsgroup.
I suspect that you failed to answer because you don't KNOW the answer. >>>>
not only are you again wrong yet again, but you continue to demonstrate >>>> just how incredibly stupid you are.
It's probably an age thing. :-)
no, it's definitely not.
it's a mental deficiency thing.
It's a character deficiency thing.
On 2019-04-05 17:56, Alan Baker wrote:
On 2019-04-05 2:37 p.m., nospam wrote:
In article <VOPpE.64949$C44.37070@fx16.fr7>, David in Devon
<BDonTJ@REMOVE.gmail.com> wrote:
Why would it run slower if it's on its main power connector?
Exactly why *I* asked nospam.
you didn't ask that.
what you asked about was non-apple hardware, which is irrelevant for >>>>>>> this newsgroup.
I suspect that you failed to answer because you don't KNOW the
answer.
i didn't fail to answer nor did you ask what you claim to have asked. >>>>>
not only are you again wrong yet again, but you continue to
demonstrate
just how incredibly stupid you are.
It's probably an age thing. :-)
no, it's definitely not.
it's a mental deficiency thing.
It's a character deficiency thing.
He has no character.
On 2019-04-05 08:29, nospam wrote:
In article <T_Gdnd9wha3SUTvBnZ2dnUU7-QWdnZ2d@earthlink.com>, Ant <ant@zimage.comANT> wrote:
My client didn't want a new battery since he rarely uses it. It's very
old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
In comp.sys.mac.portables Alan Browne <bitbucket@blackhole.com> wrote:
On 2019-04-05 08:29, nospam wrote:
In article <T_Gdnd9wha3SUTvBnZ2dnUU7-QWdnZ2d@earthlink.com>, Ant
<ant@zimage.comANT> wrote:
don't do that. without a battery, it will run significantly slower and
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Ditto. That makes no sense. Its speed seem the same with and without its original battery to me.
Why would it run slower if it's on its main power connector?
Ditto. That makes no sense. Its speed seem the same with and without its original battery to me.
That has been my experience too - but not on laptops OTHER than Apple
ones. Maybe it's an Apple failing in this regard.
I used to plug my ex-work IBM Thinkpad directly into the 12V supply on
my narrowboat instead of using the IBM supplied 220V AC lead with transformer/rectifier which supplied 18V DC. It worked exactly the same,
as far as I could tell, on either 12V or 18V. ;-)
My client didn't want a new battery since he rarely uses it. It's very >> old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
Ditto. That makes no sense. Its speed seem the same with and without its original battery to me.
In article <qYydnZ4WX4YxOjrBnZ2dnUU7-cmdnZ2d@giganews.com>, Alan Browne <bitbucket@blackhole.com> wrote:
don't do that. without a battery, it will run significantly slower and
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>
there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter
alone can source.
My client didn't want a new battery since he rarely uses it. It's very >>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>don't do that. without a battery, it will run significantly slower and >>> there is also the risk of a sudden shutdown if there's a power glitch.
Why would it run slower if it's on its main power connector?
because peak demands can potentially be above what the power adapter
alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
So I wouldn't be too concerned with that configuration.
In article <WNadncK4XKTCJzXBnZ2dnUU7-K2dnZ2d@giganews.com>, Alan Browne <bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>> old and slow. We kept its battery slot empty so it can boot up normally. >>>>>don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
because peak demands can potentially be above what the power adapter
alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that possibility, it runs slower.
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>> old and slow. We kept its battery slot empty so it can boot up
normally.
don't do that. without a battery, it will run significantly slower and >>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>
because peak demands can potentially be above what the power adapter
alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that possibility, it runs slower.
So there is no issue at all for the ordinary user.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector for
the amp meter.
On 2019-04-06 11:29, nospam wrote:
In article <WNadncK4XKTCJzXBnZ2dnUU7-K2dnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>>> old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and >>>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>>
because peak demands can potentially be above what the power adapter
alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that
possibility, it runs slower.
So there is no issue at all for the ordinary user.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector for
the amp meter.
In article <1fWdnbZdaJ3CZzXBnZ2dnUU7-RHNnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
*any* peak demand could cause an unexpected shutdown, and to avoid
that possibility, it runs slower.
So there is no issue at all for the ordinary user.
there absolutely is, which is why it's done, and not just apple
either.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector
for the amp meter.
the proper test is a benchmark, with and without a battery. for the
latter, you will need to disassemble it.
fortunately, that's been done:
<https://www.tomshardware.com/news/apple-macbook-pro-battery-benchmarks, >6643.html> Gearlog¹s own results show a decrease of 36 percent in
processor speeds without a battery attached on their unibody MacBook
Pro. Our own tests show a decrease of 50 percent when rendering with
one CPU, a decrease of 52 percent in multiprocessor rendering, while
the GPU suffered a 40 percent decrease in performance.
In message <1fWdnbZdaJ3CZzXBnZ2dnUU7-RHNnZ2d@giganews.com> Alan Browne <bitbucket@blackhole.com> wrote:
On 2019-04-06 11:29, nospam wrote:
In article <WNadncK4XKTCJzXBnZ2dnUU7-K2dnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>>>> old and slow. We kept its battery slot empty so it can boot up normally.
don't do that. without a battery, it will run significantly slower and >>>>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>>>
because peak demands can potentially be above what the power adapter >>>>> alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that
possibility, it runs slower.
So there is no issue at all for the ordinary user.
Untrue. The computer will hit peak demand at times for any user.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector for
the amp meter.
You need to run the test on a laptop with a removable battery that has
been removed. Your proposed test will show nothing about the topic at
hand.
On 2019-04-06, nospam <nospam@nospam.invalid> wrote:
In article <1fWdnbZdaJ3CZzXBnZ2dnUU7-RHNnZ2d@giganews.com>, Alan Browne
<bitbucket@blackhole.com> wrote:
*any* peak demand could cause an unexpected shutdown, and to avoid
that possibility, it runs slower.
So there is no issue at all for the ordinary user.
there absolutely is, which is why it's done, and not just apple
either.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector
for the amp meter.
the proper test is a benchmark, with and without a battery. for the
latter, you will need to disassemble it.
fortunately, that's been done:
<https://www.tomshardware.com/news/apple-macbook-pro-battery-benchmarks,
6643.html> Gearlog¹s own results show a decrease of 36 percent in
processor speeds without a battery attached on their unibody MacBook
Pro. Our own tests show a decrease of 50 percent when rendering with
one CPU, a decrease of 52 percent in multiprocessor rendering, while
the GPU suffered a 40 percent decrease in performance.
"Damn those pesky facts!!!"
In article <1fWdnbZdaJ3CZzXBnZ2dnUU7-RHNnZ2d@giganews.com>, Alan Browne <bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>>>> old and slow. We kept its battery slot empty so it can boot up >>>>>>>> normally.
don't do that. without a battery, it will run significantly slower and >>>>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>>>
because peak demands can potentially be above what the power adapter >>>>> alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that
possibility, it runs slower.
So there is no issue at all for the ordinary user.
there absolutely is, which is why it's done, and not just apple either.
Anyway I'm fascinated and going to try this on an MBA at work. Easy
enough to load it up, put the P/S on an ampere meter and compare the
power consumption reported by iStat. I just need to rig a connector for
the amp meter.
the proper test is a benchmark, with and without a battery. for the
latter, you will need to disassemble it.
fortunately, that's been done:
In article <1fWdnbZdaJ3CZzXBnZ2dnUU7-RHNnZ2d@giganews.com>, Alan Browne <bitbucket@blackhole.com> wrote:
Why would it run slower if it's on its main power connector?My client didn't want a new battery since he rarely uses it. It's very >>>>>>>> old and slow. We kept its battery slot empty so it can boot up >>>>>>>> normally.
don't do that. without a battery, it will run significantly slower and >>>>>>> there is also the risk of a sudden shutdown if there's a power glitch. >>>>>>
because peak demands can potentially be above what the power adapter >>>>> alone can source.
Few run their laptop at peak demand constantly. And if they did then
the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that
possibility, it runs slower.
So there is no issue at all for the ordinary user.
On 4/4/19 3:10 PM, ErikRS wrote:
Ant wrote:
In comp.sys.mac.portables Alan Baker <nunya@ness.biz> wrote:
<https://support.apple.com/en-ca/HT201295>
It mentioned to remove its battery. I decided to try powering it on
without it. It worked! Hmm, I guess I can get recycle this battery
finally since this very old and slow machine is rarely used. I wonder if >>> it new battery replacements are very cheap and even worth it even if it
is rarely used (always connected to power AC on a desk).
I had a similar problem with the 15" MBP Late07. Sometimes it chimed
and then just 'died', sometimes nothing when pressing the start
button. So my guess is that the controlling chip on the orig. battery
has died. When/if this happens, the MBP won't boot - no chime,
nothing... - As you already have found out removing the battery
partially solves the problem booting the MBP.
So I'll recommend to buy a new battery for it. I found some quite good
and affordable batteries in a UK based webstore with even higher
capacity than the original. Price was only apprx. £16 + shipping to
Denmark. I bought 2 pcs. apprx. £43 incl. FirstClass Royal Mail. -
This is less than half of what *1* orig. battery will cost!
A full charge lasts apprx. 5,5 hours which is fairly good for the
Late07 and the 2008 models.
Find the battery model number and just search on eBay.com, and I think
you can get these 3.-party batteries just as cheap in the US.
Cheers, Erik Richard
Have never purchased a laptop battery but several years back, I needed a
few extra specialty batteries for Canon digital SLR cameras in the US.
The Canon brand batteries were quite expensive so I ordered some third
party ones from a couple of highly rated Ebay sellers. That was a
mistake- three to four day self-discharge, limited number of pictures
using them in the cameras and they got pretty hot when charging.
Not sure it things are any better these days- or if I just picked bad
vendors back then- or if laptop batteries are a different story than
camera batteries.
Few run their laptop at peak demand constantly. And if they did then >>>> the battery would deplete.
constant isn't the problem.
*any* peak demand could cause an unexpected shutdown, and to avoid that >>> possibility, it runs slower.
So there is no issue at all for the ordinary user.
Meant to ask:
Would a larger outside P/S solve it, or is it a limitation of the
internal power supply?
one spike is all it takes
one spike is all it takes
Takes to do WHAT, exactly?
On 2019-04-04 18:22, Wade Garrett wrote:
The Canon brand batteries were quite expensive so I ordered some third
party ones from a couple of highly rated Ebay sellers. That was a
mistake- three to four day self-discharge, limited number of pictures
using them in the cameras and they got pretty hot when charging.
Not sure it things are any better these days- or if I just picked bad
vendors back then- or if laptop batteries are a different story than
camera batteries.
You picked a bad vendor. I've bought several DSLR batts w/o issue. One
of them was far better than OEM in terms of capacity (and performed to
that spec too...)
In message <q8602p$78t$1@news.albasani.net> Wade Garrett <wade@cooler.net> wrote:
The Canon brand batteries were quite expensive so I ordered some third
party ones from a couple of highly rated Ebay sellers.
There is no such thing as a reputable eBay seller, and the more highly
rated they are, the more likely it is they are scammers.
There is a reason I and my friends call it "fleabay" because it is about
as reputable as a flea market.
In article <CPFqE.29058$2A5.25172@fx10.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
one spike is all it takes
Takes to do WHAT, exactly?
that was clearly explained in the thread, and more than once.
In article <N_PpE.847$Df6.299@fx30.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:[....]
You so often boast, but then fail to help others with their queries.
wrong. i helped in this very thread.
I doubt you have ANY experience with the new iPad Pro.
you have *no* idea what my experience is with any product and your
question is not specific to an ipad pro anyway.
in fact, it's clear that you don't understand what it is you're even
asking.
one spike is all it takes
Takes to do WHAT, exactly?
that was clearly explained in the thread, and more than once.
If that IS so, please post MIDs
In article <2xJqE.22892$6e1.17611@fx19.fr7>, David in Devon <BDonTJ@REMOVE.gmail.com> wrote:
one spike is all it takes
Takes to do WHAT, exactly?
that was clearly explained in the thread, and more than once.
If that IS so, please post MIDs
reread the thread and you'll find what you seek.
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