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Honor Student
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Member Since: ‎03-06-2011
Message 1 of 5 (726 Views)

computer keeps shutting down

ok, dont know if im in the right place, im new here.. but i have a Hp Media Center PC m1264n... i opened it to see if there was space to put an extra hard drive in it.. and i put the cover back on.. and it wouldnt start, so i opened it up again and found one of them extra wires caught in the fan... and i think when that happend.. it pulled one of the plugs out the hard drive.. now it just shuts down when i turn it on.... and there are 2 hard drive cables... and i dont know what one fell out.. i tried both and nothing.... it comes on for a min then just shuts off.... maybe 5 to 15 or more seconds


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Member Since: ‎09-24-2010
Message 2 of 5 (695 Views)

Re: computer keeps shutting down

[ Edited ]

Hi,

 

I would recommend removing the extra Hard Drive you installed and then run through the process on the link below to check your original HDD is wired up correctly.

 

http://support.hp.com/us-en/document/c00639732

 

Although this is a tutorial on replacing a HDD it should show enough detail to make sure your original drive is wired correctly.  Then try starting the PC and see if it boots.

 

Regards,

 

DP-K

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Dean
Posts: 6,901
Member Since: ‎09-28-2010
Message 5 of 5 (669 Views)

Re: computer keeps shutting down

http://h30434.www3.hp.com/t5/Desktop-Lockups-Freezes-Hangs/Computer-keeps-shutting-down/m-p/557395

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Dean
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Member Since: ‎09-28-2010
Message 4 of 5 (681 Views)

Re: Computer keeps shutting down...

[ Edited ]

Sounds like your Power Supply shorted out.  Test guide: http://support.hp.com/us-en/document/bph07173

 

Internal PSU diagram, and the power connectors: http://www.power-on.com/atx12vhp300bt.html

 

Internal view of motherboard. Hard drive connects to SATA1 via a small data cable:

http://www.newegg.com/Product/Product.aspx?Item=N82E16812339016&cm_re=sata_cable-_-12-339-016-_-Prod...

The cable on the is data, the other cable is the power lead. The black plug is the SATA lead that plugs into your drive.

The white plug is a male molex, that more than likely connects to the PSU via a female molex.

 

 

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Dean
Posts: 6,901
Member Since: ‎09-28-2010
Message 3 of 5 (712 Views)

Re: Computer Keeps Shutting Down...

[ Edited ]

Sorry to hear you damaged your unit.  Here's the spec on this unit: http://support.hp.com/us-en/document/c00385631

 

Trouble shoot PSU: http://support.hp.com/us-en/document/bph06788

 

PSU leads and cables:http://www.power-on.com/atx12vhp300bt.html

 

Motherboard connectors:http://support.hp.com/us-en/document/c00361570

The hard drive has 2 cables, what they look like:

SATA power:http://www.newegg.com/Product/Product.aspx?Item=N82E16812196459&cm_re=sata_power_cable-_-12-196-459-...

SATA data: http://www.newegg.com/Product/Product.aspx?Item=N82E16812816030&cm_re=sata_cable-_-12-816-030-_-Prod...  (maybe both straight)

 

 

1) Disconnect all cables. Lay unit on it's side.Open the case again.

2) Connect power cable, mouse, keyboard, and monitor. Light on back of PSU should turn be "green".

3) look at green LED on back of PSU while depressing ON button.

a) did light go "OUT"?  If yes, the PSU is bad!

b) Repeat, watching the CPU and rear fans. Spins, then stops? If yes, the PSU is bad.

 

Seasonic 350W http://www.newegg.com/Product/Product.aspx?Item=N82E16817151077

                  300W http://www.newegg.com/Product/Product.aspx?Item=N82E16817151086

 

HEC http://www.newegg.com/Product/Product.aspx?Item=N82E16817339029  has anyone used it?

 

 

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