Question about HP Pavilion Media Center TV m8400f Desktop, Phenom 9500 Quad-Core, 30

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Monitor immediately goes to sleep. Tower shuts down from unplugging it.

The tower will start up. Monitor immediately says "monitor going to sleep". Screen goes and stays black tower will not shut down from power button so I have to unplug it. Is this a power supply issue or motherboard issue? A few of the capacitors are dis colored on the motherboard. Hate to buy motherboard and it not work, do not have a multimeter. Hoping by what I described you can pinpoint the issue?

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  • Amy W
    Amy W Apr 09, 2015

    Additional info. I have tried another known working monitor and got the same msg "monitor going to sleep". Have reseated graphics card and RAM. Still same results.

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  • HP Master
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Have you tryed starting up in safe mode to see if you can get into your windows?

Posted on Apr 10, 2015

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