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MAG 780 LCD Monitor takes 10 minutes to come on when cold.

When I boot up my desktop, the monitor won't even blink for about 10 minutes. I have to keep pushing thepwoer button to see if its ready. The green power light comes on, then goes off, so I have to constantly press it to see if its ready. Eventually, long after the cimputer has booted ( presumably), I press the power button and the screen is on. If I restart, there is no delay, and if I boot after a short time, there is no delay.

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  • jfellows Jan 14, 2009

    The power supply, I assume, is a separate black box in the power cord that drops the voltage from 120 to 12 volts 5 amp.

  • jbachorz May 11, 2010

    Sounds like the power supply has gone south. It works after a while because a thermally sensitive component heats up. Does the unit have a separate power supply, or is it integrated into the unit?

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Power supply is going in it. if you know of someone technically inclined have them check for bad capacitors in the power supply. this is typical of one that is dryed out and not letting the power supply start up as fast as it should. if it is just capacitors then it should not be an expensive fix, but don't ignore it as other parts will be stressed and fail making it much more costly.

Posted on Jan 14, 2009

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