After today’s updates, I am seeing another strange issue: whenever all
displays go out due to inactivity and I touch the keyboard or mouse
again, the internal display starts to flicker. It looks as if the entire
image is shifted by some 25% of its width to one side, then to the other
(with the part that would be outside the display area wrapping around to
the other end of the display). It flickers back and forth between the
two offsets somewhere near the refresh rate. So far I’ve always been
able to recover by pressing Ctrl+Alt+F1 to go to a tty, then Ctrl+Alt+F7
to return to the MATE desktop. Not sure if it’s related.

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1715749

Title:
  Intermittent black screen on HP EliteBook 840 G1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1715749/+subscriptions

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to