I bought a new Samsung tv which is a 4k one.

I have it connected by display port output my Nvidia GT660 card on my pc to HDMI on my tv.

But when I go into my nvidia control panel and select the new tv the highest resolution offered is 1920 x 1080 ?

Do I have to use the "customise" button to increase it to 3840x2160 ?

Thanks!

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jimmy <GERRY@barlymcgrew.com> wrote:

I bought a new Samsung tv which is a 4k one.

I have it connected by display port output my Nvidia GT660 card on my pc to HDMI on my tv.

But when I go into my nvidia control panel and select the new tv the highest resolution offered is 1920 x 1080 ?

Do I have to use the "customise" button to increase it to 3840x2160 ?

Your GT660 may not support sufficiently high HDMI bandwidth to drive it at
4K. Possibly your cable likewise - you want a 'high speed' HDMI cable.

It is possible the display only handles 4K using HDMI 2.0 and the GT660
doesn't have that.

Although I have successfully driven a 4K display from a GTX650 with HDMI 1.4
at 30Hz (well, 29.94Hz or something), which may be an option. That may
require a custom mode.

Theo

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"Theo" wrote in message news:WBw*iw80y@news.chiark.greenend.org.uk...

jimmy <GERRY@barlymcgrew.com> wrote:

I bought a new Samsung tv which is a 4k one.

I have it connected by display port output my Nvidia GT660 card on my pc
to
HDMI on my tv.

But when I go into my nvidia control panel and select the new tv the
highest
resolution offered is 1920 x 1080 ?

Do I have to use the "customise" button to increase it to 3840x2160 ?

Your GT660 may not support sufficiently high HDMI bandwidth to drive it at
4K. Possibly your cable likewise - you want a 'high speed' HDMI cable.

It is possible the display only handles 4K using HDMI 2.0 and the GT660
doesn't have that.

Although I have successfully driven a 4K display from a GTX650 with HDMI 1.4
at 30Hz (well, 29.94Hz or something), which may be an option. That may
require a custom mode.

Theo

--

Thanks Theo that gives me a few things to look into!

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"Theo" wrote in message news:WBw*iw80y@news.chiark.greenend.org.uk...

jimmy <GERRY@barlymcgrew.com> wrote:

I bought a new Samsung tv which is a 4k one.

I have it connected by display port output my Nvidia GT660 card on my pc
to
HDMI on my tv.

But when I go into my nvidia control panel and select the new tv the
highest
resolution offered is 1920 x 1080 ?

Do I have to use the "customise" button to increase it to 3840x2160 ?

Your GT660 may not support sufficiently high HDMI bandwidth to drive it at
4K. Possibly your cable likewise - you want a 'high speed' HDMI cable.

It is possible the display only handles 4K using HDMI 2.0 and the GT660
doesn't have that.

Although I have successfully driven a 4K display from a GTX650 with HDMI 1.4
at 30Hz (well, 29.94Hz or something), which may be an option. That may
require a custom mode.

Theo

--

Apparently is does via the display port but my cable is display port to hdmi
so maybe I need dp to dp

https://www.nvidia.com/en-gb/geforce/graphics-cards/geforce-gtx-660/specifications/

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jimmy <GERRY@barlymcgrew.com> wrote:

Apparently is does via the display port but my cable is display port to hdmi so maybe I need dp to dp

https://www.nvidia.com/en-gb/geforce/graphics-cards/geforce-gtx-660/specifications/

Yes, you don't want any conversion if you can help it. DP is generally
better at handling higher bandwidth than HDMI, at least in that kind of vintage.

If the monitor has DP I'd use that wherever possible.

Theo

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