Custom Resolution Utility (CRU)

[ToastyX]

(03-06-2024 09:46 PM)leissler Wrote:  Hi,
I have a setup with an Intel HD 530 card connected with DVI and an awkward LED matrix screen of 384x128px connected with HDMI.
From my experiments, an extended screen dual-monitor setup always seems to work on the LED matrix screen as a secondary monitor, when the "Active Signal Resolution" is 1920x1080@60Hz but the "Desktop Resolution" is the native resolution of 384x128.
For some time I had it running (!) by creating a Detailed Resolution of 1920x1080 and an extension block with HDMI support and a resolution of 384x128.
For some reason now, I can't repeat that success. Both (Active Signal and Desktop) are always 1920x1080, no matter what I put into the extension block. This drives me mad. Is there any obvious reason why this was once working and not any more? I've tried for hours now and will install Windows 11 anew.
This is extremely frustrating when you know that there is a woking configuration but you're just not able to recreate it.
Does Windows 11 generally interpret the Detailed Resolution as Active Signal Resolution and the resolution in the extension block as the Desktop resolution? How can I control these two resolutions separately from each other?
Would appreciate any help on this, before I consider jumping the window

There's nothing different about resolutions in the extension block. You're talking about GPU scaling. CRU only deals with active signal resolutions, but lower resolutions can be scaled to the first detailed resolution if you enable GPU scaling in Intel's control panel. The problem is Windows doesn't provide a way to set the resolution below 640x480, so assuming the driver allows 384x128, you'll need a third-party program to actually set that resolution. I don't know how you did it before because that was always the case.