Public bug reported:
After upgrading from 14.04 to 14.10 my screen goes black at random times.
The sound keeps playing so I know it's still running.
The only way I can get the screen back is by pressing the power button, which
will show the shutdown selection window and unblackens the screen.
My laptop is a Lenovo ideapad z580
Intel Core i7-3520M
integrated graphics
6 gb ram
Ubuntu 14.10 64-bit
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1384968
Title:
Screen goes black at random times
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