Using my NUC6i3SYB with a DELL U2718Q (4K) monitor, Windows 10 (64)
Screen goes black every 5-15 minutes, and typically wont come back to life unless I disconnect and reconnect the HDMI. I also noticed a redish shadow appearing sometimes (often before the screen goes black)
- Tried to configure different resolutions, to no avail.
- Tried different HDMI cable, to no avail.
- Rolledback 520 graphic driver to older version, to no avail.
- Tested the monitor with other computer, no problem.
- Noticed discussions from 2017 about similar problem (BIOS) related, but referencing other NUC6 models (in the BIOS update).
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There has been issues with 4K monitors on some other models of NUC too. Try using a 1080p monitor and see if the issue goes away. I do know Intel has been working on this issue, so hopefully it will be fixed eventually.
@MRoss5200 Thanks for taking the time to respond.
It worked fine with a 1080p monitor prior to moving to the 4K device, but it also worked just find with the 4K monitor for a couple of months... that's the odd thing.
Anyway, I actually switched to using a the (mini) Display Port and since then the problem seems to have gone away.
So in case anyone else find that helpful as a partial resolution, it's worth a try.