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Samsung monitor 49' supporting 5120x1440 resolution but on can't be selected in Lenovo Windows 10

Ron3
Novice
5,556 Views

I have a new laptop Lenovo 20T00023US with Microsoft Windows 10 Pro (64-bit).

I have connected a Samsung monitor 49' - Model C49RG90SSM
Processor: Intel(R) Core(TM) i7-10510U CPU

This monitor support 5120x1440 resolution but I can't select it on this computer for some reason, the highest resolution available is 3840x1080 . 

I am fully updated with latest driver of UHD Graphics. I also tried the older version available  26.20.100.7985 but its not working also.

 

What to do? I don' think the problem is with the driver of the screen, since I already had older Lenovo laptop and it worked their with UHD 620, but for some reason I can't install it on this new laptop 😕

 

Be happy for any help. 

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AlHill
Super User
5,550 Views

The maximum resolution for your processor graphics is 4096x2304.

https://ark.intel.com/content/www/us/en/ark/products/196449/intel-core-i710510u-processor-8m-cache-up-to-4-90-ghz.html

 

Doc (not an Intel employee or contractor)
[Maybe Windows 12 will be better]

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Ron3
Novice
5,548 Views

My oldest computer is also lenovo i7-8650U and you can see it support the same, but not really. I got the 5120x1440 with the UHD 620 Graphics and it works fine.

 

https://ark.intel.com/content/www/us/en/ark/products/124968/intel-core-i78650u-processor-8m-cache-up...

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AlHill
Super User
5,544 Views

Well, then the op should update his bios and try again.

 

Doc (not an Intel employee or contractor)
[Maybe Windows 12 will be better]

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Ron3
Novice
5,502 Views

I think the problem is with UHD Graphics latest versions... I checked several, none was working.

What changed between UHD 620 and UHD Graphics? Can't install the 620 at all now, but in my old computer with UHD 620 all works great with same samsung 49' monitor.

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n_scott_pearson
Super User
5,499 Views

In many cases, it's the implementation of the HDMI port on their motherboard that is the issue. In these generations, the processor's GFX engine only supports HDMI 1.4. In order to support HDMI 2.0, they include an additional IC, called a LSPcon IC, that convert's the processor's (better) DisplayPort 1.2 output into a HDMI 2.0 output. Over the years, I have seen lots of issues with these ICs, typically in their F/W, that will disaffect support. You should check whether there is an update to this firmware available for your laptop model.

Hope this helps,

...S

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