Force custom resolutionforce custom resolution
Posted 31 August 2012 - 12:01 PM
I've got this issue at work. I need to force custom resolution to run some tests. Best, using command prompt. All computers are connected via Avocent Online KVM SWITCH and it supports res up to 1600x1200 px. I need to force resolution 2500x1600. Windows won't allow, to do it. It is not important what is happening during the test, I can be blind then. After test resolution should be switched back to previous (max 16x12).
Would you suggest something?
When Windows negotiate with display resolution? Is it up to graphic driver or screen driver? Maybe you have some hacked display drivers which allow to setup any resolution existing resolution?
Thanks in advice!
Posted 31 August 2012 - 12:18 PM
Consider that 2500x1200 needs quite a lot of memory and some adapters may not have enough. Also some monitors may not support that res.
Posted 31 August 2012 - 01:00 PM
Posted 31 August 2012 - 03:55 PM
No way to work around that, but buying a KVM switch, which can handle the intended resolution.
Also, even if you can 'convince' the graphics card to send the high resolution data, the switch will simply turn off, like any monitor these days, when confronted with a too high resolution.
Posted 31 August 2012 - 04:28 PM
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