Display doesn't turn on until some point in the boot process
by RandomTroll from LinuxQuestions.org on (#6FTZ0)
In the process of trying a new kernel this morning my screen stopped coming on until some point in the kernel loading. I don't get to see the boot menu or, if I press F1 early, the BIOS setup screen. It's an HDMI (Onn 21-inch) which displays a 'no signal' message briefly when there's no signal; when a signal first arrives another message gets displayed reporting the connection and resolution, for example 'HDMI 1920x1080' (It also has a VGA port.) I looked at all the monitor's setup configuration, reset them. It's as though the computer has decided not to display anything. Lenovo ThinkCentre M93P. Kernel 6.5.8, Slackware.