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H43N
August 2nd, 2010, 04:23 PM
ok so randomly maybe once a day my computer screen will go black and flash white lines horizontally near the top and flash alternatly back and forth with a "no signal" display, a reboot and itll work fine but im sick of rebooting, whats it doing and whats the fix? im on ubuntu 32b

Rubi1200
August 2nd, 2010, 08:03 PM
Hi and welcome to the forums.

We need more information in order to help you.

Please provide the following information:

laptop/computer make
RAM
hard-drive capacity

Any other information would be helpful too.

Also, post the output of

lspci | grep VGA
from the terminal