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Flickering screen.

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7 replies

by dmbewe

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My computer has developed a problem, it in intervals flickers when on the desktop, it changes to blue from the chosen desktop and back. Does this show that my harddisk is developing problems?

7 replies

by an_it_guy

Not really, I would doubt on the cable that connects your CPU to the monitor.
Try cheking that.

by jrodri1636

Check the video's cable connection. If the connection is ok, you might have an intermittent connection in the video cable. Also check the connections to the monitor. If it is ok, then you can replace the video cable.

by ann777

It might also be the monitor itself (depending on the age and location of the monitor).

As the monitor gets warm/hot, it might emit a burst of heat and flicker slightly and the emission might cool it sufficiently until the next time it's too hot.

If cabling checks out, I recommend you purchase a can of compressed air and with the monitor powered off just blow it out (do NOT remove the monitor case -- there are deadly electrical charges in the monitor even when it is powered off and disconnected).

Dust can and does cause this overheating. If the problem persists and gets worse over time, you might want to budget for a replacement monitor.

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