Devices > Video Cards, Monitors, Televisions, and Projectors
Help me get RGB color PC > Dr HDMI 4k > Sony Z9D
tzr916:
I've had to resort to an EDID device to trick my MC Server PC into thinking the "main monitor" is always on. But I seem to be having an issue getting RGB Color Format working at 4k resolution when the Dr HDMI 4k device in is the mix. I've been going back and forth with HD Fury help, but all of their suggestions have made no difference. Details below:
Windows 10 PC set to 4k60 with nVidia GT1660ti connected through Dr HDMI 4k into Sony XBR-65Z9D, using Cable Matters certified 48Gbps 8K HDMI Cables. Good news, the following Dr HDMI 4k setting is working (holds through reboot of PC and/or turning Tv Off/On) but it's not RGB color format:
GREEN #5 – 4k60-420-8b-300M-HDR-BT2020-3D-FULLAUDIO
Bad news, I cannot get any of the following to work:
CUSTOM – Extract Sony EDID with MonInfo, upload into DH4K
WHITE #8 – COPY DOWNSTREAM EDID (from Sony tv)
GREEN #1 – 4k60-444-600M-HDR-BT2020-3D-FULLAUDIO
GREEN #2 – 4k60-444-600M-3D-FULLAUDIO
GREEN #3 – 4k60-420-12b-450M-HDR-BT2020-3D-FULLAUDIO
WHITE #5 – 4k60-420-12b-450M-BT2020-3D-FULLAUDIO
For some of them I initially get a picture, and for all of them, after rebooting the PC, Windows display settings and nvidia control panel are only showing 1024x768 or 800x600, and there's a RED X on the audio device. No answer from HD Fury on why this is occurring.
Wondering if it would help if I change the Windows 10 "Generic PnP Monitor" driver using an INF created from my Sony MonInfo? Anything other thoughts?
Thanks for looking
JimH:
Read a little about cables and HDCP if you haven't. Here's an example of what you'll find.
https://www.howtogeek.com/208917/htg-explains-how-hdcp-breaks-your-hdtv-and-how-to-fix-it/
I had a problem a few years ago when I bought a Samsung Blu-ray player to connect to my receiver. I found that all HDMI cables in the setup had to be HDCP compliant. Changing one cable solved the problem.
No idea if this is your problem.
tzr916:
Cables are not the issue.
1. I get full RGB @4k60 when Dr HDMI 4k is not connected.
2. I always use MonoPrice 4k certified hdmi cables. HD Fury support recommended trying specifically Cable Matters certified 48Gbps 8K. Turned out to be a waste of $20, because it didn't help at all.
JimH:
Certified speed doesn't guarantee HDCP. Read a little. I think they say HDCP on the cable. There are versions of HDMI.
I know I'm telling you what you may already know, but ...
The order of how devices are turned on may also matter.
AVSForum is the best source of information on HDMI that I know.
jmone:
Some BIOS allow you to set a persistent EDID (so you don't need items like a the Dr HDMI 4K), eg https://www.intel.com.au/content/www/au/en/support/articles/000033413/intel-nuc.html. That said, I've not had to use an EDID device for many years on my HTPCs, and it may be that they all go via modern AVRs that seem to provide the EDID persistence in Standby Mode.
EDID is separate from HDCP and is for OS to autoconfigure their video & audio output options to be compatible with the downstream AVR & display device. The issue is that when some of these devices power off, windows then no longer sees them and defaults to some baseline settings. This can lead to undesired auto and video rendering options only being available to MC. Devices like the Dr HDMI 4K should be able to either "learn" your specific EDID and keep transmitting it to the HTPC OR allow you to select your preferred formats to keep a persistent EDID exposed to the HTPC. I've no idea why tzr916 has issues with the HD Fury as it should "just work" (my much older DVI Detective certainly did).
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