HP Media Center M370N  PC Desktop
Problem for HP Media Center M370N (DM163A#ABA) PC Desktop

Won't turn on with new power supply




By prepnamedre on May 02, 2009

" "
My computer mysteriously wouldn't come on one day so I replaced the power supply in hopes that it'd fix the problem but it didn't. There is a green light that turns on on the motherboard when the power cord is plugged into the power supply, but the computer still won't turn on. Can anyone help?

Clarification Request

Posted by macjax on May 02, 2009

You might have a bad power switch. Have your tried shorting out the pins on the Motherboard to power it up ?

Posted by jeryflores on May 02, 2009

What you have to do is troubleshoot devices at a time. Reseat the CPU and the RAM. So, take them off and then install them back in. If you notice they are dirty, take an eraser for the contacts on the ram clean them gently and reinstall. Make sure the hard drive is connected properly. Are you getting any sort of beeps?

Solution #1

posted on Aug 21, 2009
Not Rated)

Micro Tech

Rank: Guide 
Rating: 75%, 1 votes
Well there are two types of Power supplys.
One is a 20 pin and the other is a 24 pin.
If it is a fairly new computer, it will be the 24 pin model.
Look carefully at the plugs that connect to the motherboard.
There should be a 4-pin connector with two yellow and two black wires. That is the 12 volt connector that supplies power to the CPU.
Make sure it is plugged in behind the CPU and seated all the way down.
I have seen this happen before - you will plug in the drives and the main connector, but forget the CPU connection.

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Solution #2

posted on May 02, 2009
Not Rated)

Slimology

Rank: Master 
Rating: 95%, 2 votes
Sounds like the switch is out to me or it is mis connected to the motherboard
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