Custom Resolution Utility (CRU)
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12-23-2015, 03:33 PM
Post: #1881
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RE: Custom Resolution Utility (CRU)
First of all: Thanks for this great tool.
Now to my question: What exactly does that 'HDMI support' in the EDID extension block do to the video signaling? Here's my problem: I'm trying to pass HDMI audio to an A/V receiver with the help of an HDMI splitter. I've the following hardware: A NVIDIA Geforce GTX 980Ti connected to 3 displays (DELL U3011 via DP @2560x1600x60Hz and two DELL 2007FP via DVI/HDMI @1600x1200x60Hz). To get the audio signal over HDMI to the receiver, I connected one of the 2007FPs to a HDMI splitter via a HDMI-to-DVI cable and the second output of that splitter to the receiver. Now I choose 1600x1200x60Hz as the resolution for that display in Windows, but the displays keeps saying that I should choose the right resolution (which is 1600x1200x60Hz). So I figured CRU might help with a possibly wrong EDID due to the use of said splitter. I configured a standard resolution exactly as the EDID info on the 2007FP says and configured an extension block with only 'Audio formats'. This works as the display is showing a native resolution of 1600x1200 in windows and does display the windows desktop, but the HDMI audio device for that display is disabled and cannot be used - so no audio here. If I additionally add the 'HDMI support' to the extension block, everything is the same (reported native resolution in windows and everything) and this time, the HDMI sound device comes active and does play sound over the receiver. Unfortunately now the display doesn't show anything other than a message saying I should switch to a supported resolution (1600x1200x60Hz). Something seems to tell the graphics driver to mess with the output signal if 'HDMI support' is enabled so that the DELL 2007FP couldn't detect the signal as valid?! Any ideas? |
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