Spots appear in a rectangle area on screen, ubuntu gnome 13.04, nvidia driver
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Published on 2013-11-02T03:40:33Z
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2013/11/02
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I am using Ubuntu Gnome 13.04 with nvidia-310 driver installed. My GPU is GeForce GTX650. Strange spots freqently appear on screen, with following traits:
- Spots are restricted in one or two rectangle areas at any instant.
- When typing, the pattern of spots change. Possibly increase, or all disappear when one key pressed. Mouse movement also influences.
This problem last within one boot. The only way can I get rid of this problem is to reboot. It can be detected as soon as entering desktop if it appears. Simultaneously, the "power off" option is lost in the top-right menu of Gnome3.
Never such problem when using windows 7 on the same computer, neither ubuntu with Nouveou driver.
Seldomly, half of the screen become black.
I googled a lot. Similar conditions are described, but no confirmed solution. Uninstall-r einstall strategy does not work.
Any clue solving this will be appeciated.
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