How to stop computer's screen from flashing?

Ok so my computer screen is flashing when i turn on the pc but no picture. the dvd rom also flashes none stop?

  • The screen,video card are both working I tested them in another computer. I left my computer on went outside couple hours came back to black screen like it went into sleep mode. I've tried draining power unplugging I even tested harddrive everything seems to be working the power supply is a 550 wat picked it up last year everything in computer only about year old so what else can I try???

  • Answer:

    hi you have to make sure the rgb cable is connected properly and has no pins missing

Christop... at Yahoo! Answers Visit the source

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turn of the computer, and check that the screen cable is properly inn both the computer and the and computer screen.

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