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Not sure if motherboard died or cooling fan did. Need help!

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July 30, 2013 5:42:35 PM

Alright, the computer i have been using for several years now has just suddenly had some problems. First off, the hard drive died (I think), so we replaced it with a new one and installed Windows 7. I got it to boot ONCE and then when i restarted it for updates it would not turn back on. I remember having to spin the cooling fan manually once to start up the computer when i installed the new hard drive but then it ran fine. The monitor is not showing anything at all. It is receiving no signal. the cooling fan will not spin up so I ordered another one but now im going back and thinking it could have been the motherboard. The hard drive and the disk drive boot up just fine but the fan will not spin. The computer is an HP Pavilion Slimline s3400 PC (Desktop). Here is a link to the page: http://h10010.www1.hp.com/wwpc/ca/en/ho/WF06b/12132708-... . If any more information is needed please tell me. I am new to the Tom'sHardware Forums so any help will be appreciated! Thanks!
a c 1577 V Motherboard
July 30, 2013 5:59:55 PM

Sounds like possibly the mobo or a dying PSU
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July 31, 2013 5:04:28 AM

Tradesman1 said:
Sounds like possibly the mobo or a dying PSU

What is a PSU, what does it do, an why would it be a problem?

Edit: What I did to start it up once when the fan wouldn't spin is I spun it manually and then the whole system started working again. I had heard of motherboards that do no boot everything up until the cooling fan is spinning so i thought this could be why the BIOS was not showing when the fan would not spin.
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a c 1577 V Motherboard
July 31, 2013 8:13:48 AM

Power Supply, it may not be initializing enough power to the components or the mobo may not be, if you have or could borrow another PSU could use it to test
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August 15, 2013 4:46:46 PM

Tradesman1 said:
Power Supply, it may not be initializing enough power to the components or the mobo may not be, if you have or could borrow another PSU could use it to test


Sorry about responding so late. I went ahead and bought a new CPU cooling fan and... IT WORKED! It turns out is was the fan after all. Thanks though for your help.

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a c 1577 V Motherboard
August 15, 2013 5:02:59 PM

Glad to hear all is well ;) 
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