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Honor Student
myhighqis420
Posts: 3
Member Since: ‎03-06-2011
Message 1 of 5 (614 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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DavidPK
Posts: 31,424
Member Since: ‎09-24-2010
Message 2 of 5 (583 Views)

Re: computer keeps shutting down

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://h10025.www1.hp.com/ewfrf/wc/document?docname=c00639732&tmp_task=useCategory&lc=en&dlc=en&cc=u...

 

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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Microsoft MVP - Microsoft Windows Expert - Consumer

Associate Dean
wb2001
Posts: 4,858
Member Since: ‎09-28-2010
Message 5 of 5 (557 Views)

Re: computer keeps shutting down

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

The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me points, and I perform better.

To say THANK YOU, press the white "thumbs up" on the left, to render a KUDO.
Please click Accept as Solution, just to the right of my reply if your problem is solved.
You can render both Solution and KUDO

HP DV7t i7 3160QM 2.3Ghz 8GB WIN7-64bit
Custom Asus P8P67 board, I7-2600k, WIN7 Pro 64bit, GTX670 2GB, 16GB RAM, 750W OCZ, 1T HD SATA 6Gb/s
HP m9200t CTO,Win7 Pro 32 bit. ASUS 550Ti 2GB, Rosewill 630W
HP m8100eCTO WIN7 Ultimate 32bit. XFX5670 1GB, Rosewill 530W.
Printer -- OfficeJet Pro 8600 Plus, HP Deskjet F4135



Associate Dean
wb2001
Posts: 4,858
Member Since: ‎09-28-2010
Message 4 of 5 (569 Views)

Re: Computer keeps shutting down...

Sounds like your Power Supply shorted out.  Test guide: http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07173&lc=en&dlc=en&cc=us&product=471588

 

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.

 

 

The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me points, and I perform better.

To say THANK YOU, press the white "thumbs up" on the left, to render a KUDO.
Please click Accept as Solution, just to the right of my reply if your problem is solved.
You can render both Solution and KUDO

HP DV7t i7 3160QM 2.3Ghz 8GB WIN7-64bit
Custom Asus P8P67 board, I7-2600k, WIN7 Pro 64bit, GTX670 2GB, 16GB RAM, 750W OCZ, 1T HD SATA 6Gb/s
HP m9200t CTO,Win7 Pro 32 bit. ASUS 550Ti 2GB, Rosewill 630W
HP m8100eCTO WIN7 Ultimate 32bit. XFX5670 1GB, Rosewill 530W.
Printer -- OfficeJet Pro 8600 Plus, HP Deskjet F4135



Associate Dean
wb2001
Posts: 4,858
Member Since: ‎09-28-2010
Message 3 of 5 (600 Views)

Re: Computer Keeps Shutting Down...

[ Edited ]

Sorry to hear you damaged your unit.  Here's the spec on this unit: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00385631&tmp_task=prodinfoCategory&lc=en&dlc=en...

 

Trouble shoot PSU: http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&tmp_task=solveCategory&lc=en&dlc=en&cc=...

 

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

 

Motherboard connectors:http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00361570&tmp_track_link=ot_recdoc/c00385631/en_...

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?

 

 

The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me points, and I perform better.

To say THANK YOU, press the white "thumbs up" on the left, to render a KUDO.
Please click Accept as Solution, just to the right of my reply if your problem is solved.
You can render both Solution and KUDO

HP DV7t i7 3160QM 2.3Ghz 8GB WIN7-64bit
Custom Asus P8P67 board, I7-2600k, WIN7 Pro 64bit, GTX670 2GB, 16GB RAM, 750W OCZ, 1T HD SATA 6Gb/s
HP m9200t CTO,Win7 Pro 32 bit. ASUS 550Ti 2GB, Rosewill 630W
HP m8100eCTO WIN7 Ultimate 32bit. XFX5670 1GB, Rosewill 530W.
Printer -- OfficeJet Pro 8600 Plus, HP Deskjet F4135



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