After exiting sleep mode, the pixel?

After exiting sleep mode the entire screen in pixels, that the screen became normal several times to get in and out of hibernation who encountered such a problem? Screen I can not lay out because when you print screen the photo why it is normally displayed. Tried to reinstall Ubuntu, didn't help.
June 5th 19 at 21:10
1 answer
June 5th 19 at 21:12
The problem in the driver initialization of the graphics card. Try after waking up from sleep mode to switch consoles Ctrl + Alt + F1, Ctrl + Alt + F2, Ctrl + Alt + F3, etc.
Thank you! Help, how to get rid of the problem? - Alvena56 commented on June 5th 19 at 21:15
can poshamanit with the video card drivers: put newer/older/collect yourself from source. - harmon_Carter86 commented on June 5th 19 at 21:18

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