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What's DOS?
Posts: 1
Registered: ‎06-08-2018
Location: GB
Views: 1,639
Message 1 of 1

Screen stuck at power-save mode

Hi There


I have a problem with a new P70 ThinkPad running Linux Ubuntu.  If the screen is switched off after inactivity, I can't get it back on again: it stays on a black screen, and I have to reboot by holding the power key down.  This is a power-saving screen shutdown, not a lock screen.


Pressing everything, I managed to get it to minimum brightness once, but I can't remember what combination of keys got me there and I've not managed it again!  In that state, I could faintly see open windows, and the laptop responded to some Fn keys, e.g. Fn-F3 for volume, but didn't respond to Fn-F6 for brightness.


I've made it never power-save the screen for now, but any advice on a proper fix would be much appreciated!

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