On Sun, Jul 2, 2023 at 10:39 AM Stefan Malte Schumacher < s.schumac...@netcologne.de> wrote:
> Hello everybody, > > This is a revised translation of a posting to the German Debian > mailing list. Unfortunately > nobody there was able to help me with my problem but I hope that on > this list with a much wider list of readers somebody might have > encountered my problem and found a solution for it. > > I have two NUC 13, one for work and one for private use. Both are > running Debian 12 Bookworm with Gnome 43 and Wayland/Weston. My > monitor is a Acer Predator XB273KGP, which has four connectors, two > Displayport 1.4 and two HDMI 2.0. The Display port can do 120hz when > connected via DP. One of the NUCs is connected with an > USB-C-to-DP-Cable and the other one via HDMI 2.0 with only 60 hz. The > other ports are used by other computers. > > My problem is that once the monitor is deactivated – either by > manually switching it off or by DPMS - the only way to get a picture > again is either to reboot the NUC or detach and re-attach the USB > cable. The monitor simply complains that there is "No Signal" > Do both NUC's have the same behavior or is just one of them having this problem? If just one of them is having this behavior is it the DP or HDMI? > This runs counter to my intended usage. I want to enable power saving > during the day and reactivate the NUC with a keypress when I want to > check my emails or search Google. Also, the NUC is connected to my > video projector via HDMI and I want to turn the computer display off > when watching movies on the big screen. An active computer is both an > unwelcome distraction and a waste of energy. > > Do you have any suggestions on how to fix this issue? I suspect that > this is not the fault of my monitor – I have a windows pc for gaming > and it awakes from suspend with a keypress without any problems. It is > connected to another DP Port via a high quality DP cable. > > I do not even have a workaround until a long-term solution is found. > At the moment I completely shutdown the NUC after use and start it > when I want to use it. Luckily this takes only a few seconds – my NUCs > are fast, especially with a Samsung 990 Pro – but I am still looking > for a better way to handle this. > > > Yours sincerely > Stefan > > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
