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  #1  
Old September 23rd, 2010, 08:27 AM
zeN323 zeN323 is offline
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Join Date: Jun 2009
O/S: Windows 7 64-bit
Location: Los Angeles
Age: 33
Posts: 1
Computer won't start up

Hi so I've been having a bit of an issue with my computer starting up. For some reason when I turn it on, the fans come on but won't start up. The screen is blank and I need to shut it down and turn it back on again for it to start up. I don't even get to the bios starting up screen, it just turns on and does nothing. There are no beeps and my cpu isn't over heating.

I've tried unplugging all the cables and cleaning the computer but that didn't work. I've also tried testing my CPU which runs around 40c idle and 45C under load. I stress tested it for about 7 hours until my computer finally restarted. I tried using normal speeds instead of overclocking it but that still didn't help.

I did notice it started doing this after I changed the heat sink and fan but it would only do it once in a while. Now that I replaced it again it's been doing it a lot more than before. I'm not sure if it's actually the CPU or if it's the motherboard.

Here are my specs:

Windows 7 64 Bit
Corsair 650W
TA790GX A2+
AMD Phenom II X4 @ 3.4ghz
8GB Mushkin DDR2 @ 533mhz
ATI Radeon 5770 @ 875/1350
640GB Western Digital Black Caviar

Any help would be appreciated thanks!
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  #2  
Old September 28th, 2010, 02:31 AM
Spider's Avatar
Spider Spider is offline
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Join Date: Nov 2001
O/S: Windows 7 64-bit
Location: Vancouver, Canada
Posts: 12,862
hi zeN323 welcome to Cyber Tech Help.

That Biostar motherboard is the weakest link in your mix.

Mushkin, ATI, Western Digital, and Corsair. That's some name-droppin' and then Biostar for the motherboard...?
Next time...Gigabyte, Asus, or Intel (if you go away from AMD one day).

I suppose you could have the power supply tested but I wouldn't expect anything from that but a "passed" result.
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  #3  
Old September 28th, 2010, 03:42 AM
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Lawrencely Lawrencely is offline
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Join Date: Apr 2010
O/S: Windows 7 32-bit
Posts: 26
PSU model is andyson F650, my graphic card is gigabyte gts250. temp i cant really check i use speed fan but the reboot occur quite randomly, i try alt tab out and see its around 55-65 like that. it is no hard.
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