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Monitor blacked out and now it's come up with flashing large color bars, what's up

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Try to shutdown your computer and monitor and let them "cool off" for about 20 minutes. If the problem persist the next time you turn it on, the graphic card might be the problem.

If you need any aditional help, let me know.

Posted on Jan 04, 2014

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1 Answer

Color bars flashing


Try to shutdown your computer and monitor and let them "cool off" for about 20 minutes. If the problem persist the next time you turn it on, the graphic card might be the problem.

If you need any aditional help, let me know.

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One of the two monitors will cease displaying screen image and begin rotating between a BLACK/WHITE/GRAY/Primary Color Bars every other second following a few minutes after start up. Have tried Restar


It might be the input from the graphics card. Try swapping the two monitors' feeds to see if the problem is with the monitor or the card. The monitor seems to be going into a screensaver mode since there's no signal. The flashing light could mean there's a power supply problem, or no signal.

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