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Unable to set UEFI BIOS resolution at 1920x1080

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NDRE28 View Drop Down
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    Posted: 13 hours 39 minutes ago at 1:30am
Hi!

My setup is:
1. Motherboard: ASRock X670E Taichi.
2. CPU: Ryzen 9 9950X.
3. Video Card: Gigabyte RTX 3080 Vision OC.
4. Monitor: ViewSonic VP2768-4K (27", 3840x2160p, 10-bpc)

Annoyance:
The resolution of the UEFI/BIOS menu is 1024x768.
The BIOS menu offers 2 options:
1. "Disabled" = 1024x768
2. "Auto" = 1920x1080.
However, whether I choose "Auto" or "Disabled", the resolution remains the same, at 1024x768.

I've connected the monitor to the video card, both, through a DP 1.4 cable & an HDMI 2.1 cable.
No change!

I've taken out my video card & connected the monitor directly to the HDMI port of my motherboard, because the CPU has an iGPU.
No change!

I have set "Disabled" & restarted PC.
No change!
Then set "Auto" & restarted the PC.
No change!

A.I. tells me something about the GOP driver which locks my UEFI menu at that low resolution.

ANY IDEAS ???



Edited by NDRE28 - 3 hours 12 minutes ago at 11:57am
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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 29 minutes ago at 6:40am
I have run into this myself a few times. In my case I had to try all the different
display outputs on my system until I found the one that outputted in 1080p. Most
cards have a default output that will be favored for 1080p output in the UEFI.

If memory serves my last run in with this was resolved by using "output 0" on my
GPU. It should be listed in your GPU's documentation.

On one occasion I was unable to correct the issue at all until I used a different
display cable (HDMI). DP has always worked for me though regardless of which output
I use.

Hope this helps.
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NDRE28 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote NDRE28 Quote  Post ReplyReply Direct Link To This Post Posted: 1 hour 40 minutes ago at 1:29pm
Hi!

I have tried all of my DP & HDMI ports of my video card, but the issue is still there!

Video card's ports revisions are: DP 1.4 & HDMI 2.0.

Monitor's ports revisions are: DP 1.2 & HDMI 1.4.

Cables used: DP 1.4 & HDMI 2.1.


Note 1:
I am on the latest firmware versions of my motherboard & video card.


Note 2:
Connecting the monitor to the iGPU, through the HDMI port of the motherboard, doesn't solve the issue!


Final thoughts:
ChatGPT says that the firmware of my GPU has a "GOP driver" that locks the firmware resolution to 1024x768.
Changing the GPU (possibly with an AMD one) might solve the issue.
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