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Assistance with EDID edit for Nvidia surround Acer x34p + 2 LG 27" monitors
05-06-2020, 07:54 AM (Last edited: 05-06-2020, 07:55 AM by sudinator)
Post: #1
Assistance with EDID edit for Nvidia surround Acer x34p + 2 LG 27" monitors
Hi all,



My current setup is triple monitor running of a single 2080ti on intel 9900K.

Left: LG 27GL850-B 27" 2560 x 1440p (capable of 144hz but set to 120hz gsync)

Centre: Acer predator X34P 34" 3440 x 1440 (Stock is 100hz but overclocked via menu settings to 120hz gsync)

Right: LG 27GL850-B 27" 2560 x 1440 (capable of 144hz but set to 120hz gsync)

I wanted to use Nvidia Surround but running into that issue where trying to do it gives that random resolution 3072x768 with 60hz refresh rate maximum.

I did reading online and saw that people were using Custom resolution utility (CRU) app and modifying EDID on the affected problem monitor to make nvidia recognise the correct resolution.

I have tried experimenting (replicating the known 120hz settings in the Acer X34p profile within the CRU app and trying to add that everywhere) in the hopes nvidia surround will pick it up correctly and add the monitor resolutions correctly.

Attached some screenshots to show whats going on. Anyone know or can guide me on how to fix this up?

Included what I can see in the Acer X34 profile and the LG 27GL850-B profile in Custom Resolution Utility.

Thank you for your time.


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05-06-2020, 10:26 PM
Post: #2
RE: Assistance with EDID edit for Nvidia surround Acer x34p + 2 LG 27" monitors
NVIDIA Surround requires all monitors to share a common resolution. You'd have to add 2560x1440 to the X34P, but the monitor might not support that resolution.
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05-18-2020, 06:19 PM
Post: #3
RE: Assistance with EDID edit for Nvidia surround Acer x34p + 2 LG 27" monitors
(05-06-2020 10:26 PM)ToastyX Wrote:  NVIDIA Surround requires all monitors to share a common resolution. You'd have to add 2560x1440 to the X34P, but the monitor might not support that resolution.

Thank you for your response. Looking at the manual the x34p doesn't support 2560x1440p res so at least that resolves that query!

Good thing I bought 3 of the LG monitors~
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