Custom Resolution Utility (CRU)

[ToastyX]

(11-13-2022 12:39 AM)DeathLord1969 Wrote:  I have tried EDID 2.0 before with no luck.
Ran that patch, was able to set 1920x1440. Then tried 2560x1440 with no luck.

Don't use the patch. You don't need the patch. Did you set the max TMDS clock to 340 MHz? Did you add the HDMI 2.0 data block?

The EDID you posted is not correct for a 3840x2160 display. It's a generic EDID for the MStar scaler, which is why the name says "MStar Demo." I don't know if the factory somehow forgot to write the correct EDID, or if they intentionally limited the HDMI 1.4 EDID to 1920x1080 and didn't change the name. HDMI 1.4 can only do 3840x2160 @ 30 Hz or 60 Hz with YCbCr 4:2:0. The HDMI 2.0 EDID is supposed to have what's needed without any changes.

I want to see what the EDID is for both the 1.4 and 2.0 options. To make this easier so I can see the original EDID without any CRU changes, use this: https://www.monitortests.com/forum/Threa...yID-Writer

Set the EDID to 1.4 and reconnect the display or restart. Then run EDWriter, click the "Read EDID" button, and click the "Save EDID..." button to save the EDID to a file. Then close EDWriter. Then set the EDID to 2.0 and reconnect the display or restart. Then run EDWriter and do the same as above. Then post both files here.