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Monitor problems all of a sudden

\015 Dell Monitor...about 4 years old; no issues at all. 2 days ago, while I was away from the computer, instead of the screen saver, I noticed that the screen had fast flashes going on the screen - and the power light was blinking green intermittently. You could not shut the monitor off (like the power button was useless). I unplugged it, turned off the pc, plugged it back in and it was fine. Yesterday, it happened two times. Today it has happened 3 times. Today I ensured that the connection to the CPU was good (I removed, ensured there was no dust, etc.) and plugged it back in. It worked. But has just happened again. seems like you have to unplug the monitor from electrical power supply, shut the pc down, wait a little when, then reconnect and turn it back on and it's fine. Ideas ?\015

Answers :

Replace your monitor power cord.
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