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Debian 10 & 32 Inch 4K Monitors
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- Posts: 32
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Debian 10 & 32 Inch 4K Monitors
I was using Debian 10 on an Intel NUC8i7BEH with dual 24 inch monitors and everything was working flawlessly for months and months. I ordered 2 new Dell S3221QS 32 inch 4K monitors to use with the NUC. Interestingly, when I power on the NUC, I get no video on both monitors at all. I can see the hard drive light on the NUC as if the computer is booting. When the hard drive light stabilizes out, with no video on either monitor, I enter the hard drive password. Low and behold, the login screen appears in what seems to be 4K. I enter my username and password and guess what, no video on both monitors at all. I'm not so much interested in the 4K as I am setting the monitors to 2K. How do I get video to display on the monitors? Am I missing something? Any suggestions would be most helpful. Thank you.
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Re: Debian 10 & 32 Inch 4K Monitors
Hello,
It could be a hdmi cable or hdmi firmware issue, see https://www.intel.com/content/www/us/en/support/articles/000025059/intel-nuc/intel-nuc-kits.html
It could be a hdmi cable or hdmi firmware issue, see https://www.intel.com/content/www/us/en/support/articles/000025059/intel-nuc/intel-nuc-kits.html
- argentwolf
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Re: Debian 10 & 32 Inch 4K Monitors
Or maybe the Dell monitor(s) are not supported https://compatibleproducts.intel.com/Pr ... MID=126140 .
Vanguard Debian, because nothing's worse than doing nothing, whimsically!
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32-bit | 2 Duo T5270 @ 1.40GHz x 2 CPU | 3.9GiB RAM | NV86 117MiB GPU | 465.76GiB SSD
64-bit | i7-4790 @ 3.60GHz x 8 CPU | 15.6GiB RAM | NVD9 1.9GiB GPU | 931.51GiB SSD
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Re: Debian 10 & 32 Inch 4K Monitors
The detection and fallback is not that smart. Likely the nuc can't drive dual 4k and instead of finding a lower resolution it just fails. Explore adding a xrandr script to define 1080 on both. You may be able to step into a good config with only one connected, change to 1080, then add the second...
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Re: Debian 10 & 32 Inch 4K Monitors
So I updated the NUC's BIOS to the latest at the time of this post dated 6/21/2021. I've tried everything I can think of to get the video to display with no joy vice creating a xrandr script (I'm not too good at that). Anyway, I've had to revert back to an older computer I have, not a NUC of any type, and able to get 2560x1440 (16:9) on both monitors on Linux Mint. Problem solved for now. I'll have to find a use for the NUC; it's a powerful little thing. Too bad I couldn't get the NUC to work in dual 2560x1440 at least. Such is life I guess.