Have you tried `xset s off` and `xset -dpms`? Either of these can cause screen blanking that may not fully power off the display.
Cheers, Michael On 2026-07-16 at 07:20:35 AM, songbird wrote: > i do run Debian testing, i don't expect it to be perfect > and that things can change and then take some time to be > resolved. > > i also use MATE desktop and that isn't always using the > most current versions available. > > in recent weeks my screen will go blank and it isn't > powering off the display, but it may take some time to > get the screen to come back up so i can see again. > > none of the CTRL-ALT or other key combinations make > a difference. (i'm not sure why CTRL-ALT-DEL doesn't > reboot as it should... it used to work, plus the > X11 restart key combination also used to work...) > > last night i removed mate-screensaver to make sure that > wasn't the issue. it isn't as i had the same thing happen > this morning. > > moving the mouse would seem to be the way to get the > screen to come back on, but that doesn't do anything. > > i did find out a bit ago though that if i turn the volume > knob on the USB speaker it will bring the display back up > to where i can see again, but i'm not sure what else may be > going on here. > > previously i was thinking the screen was locking up > completely and i would hold down the power button to get > the system to shutdown and then restart, but that is a > rather brutal way to deal with this. luckily i've found > at least a better way of getting back to normal... > > > any ideas? thanks! :) > > > songbird
