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Power supply on HP MediaCenter m7664x

I received an error using Excel and my machine froze. I finally wa able to turn off the power but when I tried to reboot no power, the green light on the back of the power supply is on but I get no power to any of my devices ie mouse, motherboard, hard drive, network card ... my power suppley is Hipro HPD3057F3-R (300w)

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Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)

Switch on and check the fans on the PSU and CPU are running. If not you may want to try a replacement before you go any further.

If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that

Beep codes P
c

More beep codes

Power up the pc and see if the fans are working.
If not then double check the power connections to the board.

If you still have no fans it is time to suspect the power supply as the probable cause.

If the fans worked then you should have gotten a display which told you there was an error and offering you a chance to go into the BIOS. ignore it and shut down the PC.

Now connect one drive only and boot again.

Repeat that until you identify the component that is giving you a problem.

Once you find the problem then remove or disconnect and carry on with the rest to see if another component might also cause a problem

If there is only one problem device then you may want to investigate that device further, Unless you don't mind replacing it

Posted on Oct 10, 2009

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My cpu not on

Posted on Sep 20, 2010

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  • Master
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Start with checking if the power supply fan is working. If not, you replace your power supply, and switch your PC on, and find out.
Then, send in your e-mail so we can further assist you. There's a
good chance that you will be able to reboot your PC. If ever, you
will be able to reboot it, run your antivirus software. Then, open tune
up utilities 2009 to get rid of unnecessary file and optimize your PC.
In case you don't have it, you can download it from the internet.

Posted on Oct 10, 2009

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Posted on Jan 02, 2017

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