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My acer aspire one 522 with a new ubuntu 12.10 or Kubuntu 12.10 installation (dual boot with win7) sometimes has a black screen but if I reboot once or more, I can login on desktop.

How can I fix this problem?

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1 Answer 1

I think my problem is solved. I found that my USB gamepad is bad,because when I unplugged it, my system always works properly.

I found this solution from the dmesg file. At the end of it showed a USB drive error.

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