What does it mean when the computer screen keeps flashing and n ot stop?

My computer screen flashed and won't stop not, but for a few minutes at a time. I can't read emails. I can't connect to the programs. What does that mean?

Hello

·         When the issue started?

·         Were there any changes made to your computer before this problem?

Method 1: Fix the refresh rate.

See: http://windows.microsoft.com/en-US/windows-vista/Correct-monitor-flicker-refresh-rate

See also: http://windows.microsoft.com/en-US/windows-vista/Troubleshoot-monitor-and-video-card-problems

Tags: Windows

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