I wondered if anyone else had hit this problem with a 2015 era Dell laptop.
Trying to fix a Dell XPS 13 9350 which is refusing to charge.
Trying to fix a Dell XPS 13 9350 which is refusing to charge.
Brief history:
Original power brick failed Replacement obtained on line in desperate
haste so probably not genuine Dell despite the label.
OK for a couple of months but now laptop won't charge.
Diagnostics report unknown power supply.
Initial searches suggest that if the laptop can't recognise the PSU it
will run, but won't charge.
[I assume that this is Dell being bloody minded about 3rd partry replacements.]
I recall that on my much older XPS I had a similar problem and had to downgrade the BIOS to remove this behaviour.
I'm still searching on line, but not getting very far.
I wondered if anyone else had hit this problem with a 2015 era Dell
laptop.
The PSU may have gone bad, but I don't know how to test this without
ordering another PSU.
Even then it would not be "known good" but I suppose I could order one
then return it if it is not recognised.
I'm reluctant to blame the replacement PSU without proof. <https://www.amazon.co.uk/gp/product/B00XJIDGCY>
Any useful tricks?
David wrote:
I wondered if anyone else had hit this problem with a 2015 era Dell
laptop.
Has the charger got the 3rd pin in the centre of the barrel?
David <wibble@btinternet.com> wrote:
Trying to fix a Dell XPS 13 9350 which is refusing to charge.
Can you try charging it via the USB-C port? I have a 9560 and it
charges fine that way. BIOS may moan the USB-C adapter is underpowered,
but click OK and it still charges.
If so, perhaps you could use a cheaper USB-C cheaper rather than a new
power brick. I do that for the 9560.
Theo
On Wed, 08 Jun 2022 22:35:26 +0100, Theo wrote:
David <wibble@btinternet.com> wrote:
Trying to fix a Dell XPS 13 9350 which is refusing to charge.
Can you try charging it via the USB-C port? I have a 9560 and it
charges fine that way. BIOS may moan the USB-C adapter is underpowered, but click OK and it still charges.
If so, perhaps you could use a cheaper USB-C cheaper rather than a new power brick. I do that for the 9560.
Theo
If only!
Unfortunately iy is pre USB C.
David <wibble@btinternet.com> wrote:xps-13-9350-laptop_reference%20guide_en-us.pdf
On Wed, 08 Jun 2022 22:35:26 +0100, Theo wrote:
David <wibble@btinternet.com> wrote:
Trying to fix a Dell XPS 13 9350 which is refusing to charge.
Can you try charging it via the USB-C port? I have a 9560 and it
charges fine that way. BIOS may moan the USB-C adapter is
underpowered,
but click OK and it still charges.
If so, perhaps you could use a cheaper USB-C cheaper rather than a
new power brick. I do that for the 9560.
Theo
If only!
Unfortunately iy is pre USB C.
Oh? This shows a USB-C port: https://dl.dell.com/manuals/all-products/esuprt_laptop/esuprt_xps_laptop/
As it happens I haven't used the 9560 for a few months, took it off the shelf, not powering up. Plugged in USB-C, no power light on the front. Plugged in the official charger, charger cable lights up, laptop
doesn't.
Left it for a while, no dice.
Apparently the next things to try are unplugging the battery and
replacing (or charging?) the CMOS battery, which is on the back side of
the board. So it'll have to join the teardown queue...
Theo
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