Comment 5 for bug 1782934

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Daniel van Vugt (vanvugt) wrote : Re: XPS 13 9350 black screen with latest kernel

Does switching VTs (Ctrl+Alt+F4) turn it on?

Also if you SSH into the machine while it's still on the login screen, does writing to:

  /sys/class/backlight/*/brightness

like

  cp /sys/class/backlight/*/max_brightness /sys/class/backlight/*/brightness

then make the login screen visible?