Hello, i can lock my screen with super+l and unlock it, this works, if the system is suspended after a while in this case, the virtual monitors don't return automatically, this takes some work, and if they return the setup is not fully functional, if i don't lock my screen explicitely, the screen does not seem to get locked, the virtual screen go black after a while and the primary screen does not lock or go black; if the system them suspend, it is inaccessible to use, no io possible with keyboard, mouse, builtin or not more info: to get the laptop screen + 2 monitors running i use: $ primusrun true $ intel-virtual-output (because of the different resolution of the monitors, and a positioning problem, ie 2x1920x0 as position of VIRTUAL1, as eDP1 can go up to 2x1920 horizontally, Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x 32767 eDP1 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 340mm x 190mm 3840x2160 60.00*+ 40.00 where the modeline from cvt to use 3840x2160/2 = 1920x1080 does not work (cvt, cvt -r) which is not solved using the default gnome settings for the screens) $ xrandr --output eDP1 --scale 0.5x0.5 --output VIRTUAL1 --primary --scale 1x1 --pos 1920x0 --output VIRTUAL2 --scale 1x1 --pos 3840x0 X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 140 (RANDR) Minor opcode of failed request: 7 (RRSetScreenSize) Serial number of failed request: 72 Current serial number in output stream: 74 (which gives this error, but seem to work most of the time) after suspend clinfo does not dedect the nvidia device anymore, only the cpu; but nvidia itself still does find the nvidia card using optirun eg $ optirun nvidia-settings -c :8 the setup used is a described on: * https://wiki.debian.org/Bumblebee * https://wiki.archlinux.org/title/HP_Zbook_Studio_G5#Bumblebee if needed, i can sent the journal hth, Wim