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Monitor isn't working...shows desktop screen for a second then goes black.

\015 The monitor only stays on for a second and then the screen turns black. The power stays on. I have checked all the connections and they are fine. I have turned the monitor off and then on again and the same thing happens, the desktop screen shows up for a second and then the screen goes black again.\015

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Reinstall windows ur screen resolution is not accepted by monitor
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