On 01.06.2018 04:27, Mike wrote: > I am quite happy to spend time troubleshooting, but don’t really know > where to start. The blanking happens too quickly for me to be able to > do anything at the time. > > Does anyone have any thoughts? > What are your actions after blanking happened? You press reset button on PC? Or Ctrl+Alt+F1 to get console and check the logs? If you restart OS then you should check logs from previous boot time: $ sudo journalctl -b -1 If you still have clean logs and system stays in working state after blanking happened, I'd check the HDMI cable, re-plug and/or replaced it with another of better quality.
-- With kindest regards, Alexander. ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org ⠈⠳⣄⠀⠀⠀⠀
