Custom Resolution Utility (CRU)
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06-03-2015, 02:36 PM
Post: #1431
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RE: Custom Resolution Utility (CRU)
Hi,
I've spent many hours in order to override EDID of my display properly but to no avail. I'd be very grateful if someone could help mi a bit. My specs: My display is LG 49UB820 (native resolution: 3840x2160, supports 3840x2160@60Hz on HDMI 2.0 most probably with chroma 4:2:2) My graphics card is Nvidia GTX 970 (supports 3840x2160@60Hz on HDMI 2.0) Cable used for connection: HDMI 2.0 -> HDMI 2.0 What I want to achieve: I would like to modify EDID, so that 3840x2160@60Hz will be recognized by OS as native resolution of my display. This will allow me to use GPU scaling instead of display scaling when using 1920x1080@60Hz, which I presume will yield better results Problem: For some reason the default(not overrided) EDID does not contain information about 3840x2160@60Hz being supported. Reported max. resolution is 1920x1080@60Hz. Still in Windows in "resolution change" window I can set 3840x2160@60Hz without any problems, but it isn't marked as native resolution. When I try to add 3840x2160@60Hz to "Detailed resolutions" in CRU as the top entry two things can happen: 1. In case the driver isn't patched for pixel clock, after restarting driver the display goes black 2. In case the driver is patched, after restaring driver in "resolution change" window in Windows, the 3840x2160@60Hz is marked as native resolution, but after trying to set it the screen goes black. Any help would be greatly appreciated! |
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