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Monitor goes "bezerk"

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by brifd1

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Periodically, my monitor goes "beserk." It's difficult to explain, but - without warning - a pattern of dashed and long horizontal lines fill the screen, eventually it shows what was displayed before, but it's frozen, so it's cold re-boot time. I'm using Windows XP Professional, have been all along (with this monitor)...is it software upgrade time?

4 replies

by toivo talikka

If you have eliminated external interference as the cause of the problem, and especially if the PC freezes, you most likely have a hardware fault.

You could try the monitor with another PC to see if the fault stays with the monitor or not.

If the fault is caused by the PC and your PC has a video card (PCI or AGP, different types of slots), you will need a replacement videocard.

If your monitor is now connected to a video outlet integrated to the motherboard instead of a separate videocard, try installing a PCI videocard. The BIOS has a setting whether the integrated video outlet or PCI/AGP card provides the default video output, which you will have to change. You will then need to install the driver software that came with the videocard to get good resolution, instead of just 800 x 600.

by josh

If the above doesn't get you the answer, you may also want to check for overheating, and/or misproper voltage. Try cleaning out the case, and if you have a acutal video card, clean all the dust off of it, and off the inside of the case and fans. To much heat in a case can cause a video card (with or without a fan on the chipset) to malfunction and show symptons of your problem.

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