My pc windows running like wibrating

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i have a problem with my computer i dont know how to fix it.. when i open a window its running up and down like crazy. first of all i thought it was a VGA error . i have clean everyhting and fix it again. but still the problem is the same. pls let me know how can i fix this windows problem.
thank you


1 reply


what you mean by running up and down?

this may be a monitor problem, try another one to see if this solves the problem.