Computer will not turn on without unplugging/turning it of

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vikkiolivia

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Apr 29, 2013
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10,510
Computer will not turn on without unplugging/turning it of several times, im new to playing about with computers and want to crack it. You hear it turn on but all ov a sudden the drive sum times sounds louder than it did. (I have cleaned it inside the tower other day). The light on the screen just flashes green(power button).
Not sure wot details you need but i got the following info :

OS Name Microsoft Windows XP Home Edition
Version 5.1.2600 Service Pack 3 Build 2600
System Manufacturer BIOSTAR Group
System Model NF61S-M2A
System Type X86-based PC
Processor x86 Family 15 Model 127 Stepping 1 AuthenticAMD ~2009 Mhz
BIOS Version/Date Phoenix Technologies, LTD 6.00 PG, 08/02/2007
SMBIOS Version 2.4.

I have also noticed in an event view thing its always saying i stopped the Ups and error %%2481.
I presume thats the big square thing at top of my tower. Told you im new.

I also have a couple of pictures of the motherboard and things if it helps.

Anyway if i put anything wrong please tell me but also help me PLEASE 
 
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pyro226

pyro226

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Sep 22, 2011
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I'm guessing that it's a bad motherboard. Sometimes the capacitors will go bad and bulge or even leak ( http://i891.photobucket.com/albums/ac116/internetpages/Marketing/Apple-iMac-G5-Motherboard-Capacitor.jpg ). This will cause all sorts of computer problems. You can open up your case and look for them.

Do you know what processor is in it or how old the computer is? If it's an older computer, it probably is not worth replacing the motherboard. Motherboards start at $60 (normally more) and local PC shops will charge you an additional price for installation. The total could easily come to $120 to $150. Other times, larger store like best buy will tell you they can't get the parts, buy a new PC. If you found a compatible motherboard and installed it yourself, then you would have to straighten out changes in drivers on inbuilt components (removing old drivers and installing new ones or formatting) unless it's the same model of motherboard. I'm leery of buying used motherboards if they are old. 1/2 of the used, old motherboards my father has bought on ebay had bad capactors. One seller even bought a new backward-compatible motherboard and shipped us the old broken motherboard in box of the new motherboard. It was what we bought, but he said it was in working condition; it wasn't.
 
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vikkiolivia

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Apr 29, 2013
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think its biostar NF615-M2A ON THAT GREEN N ITS pROCESSOR amd pENTIUM 4. Need a dummies guide to whats what without paying way over the odds. i can up load the pics in morning ov the mother board if your allowed:??:
 
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pyro226

pyro226

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Sep 22, 2011
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Intel makes Pentium 4, yours is an AMD. But your computer is from that time period. More information about bad capacitors http://en.wikipedia.org/wiki/Capacitor_plague It's likely the capacitors are bad. I was reading a post online that stated $250 to $500 for laptop motherboard replacement because of the cost of motherboard, time to install, and if the operating system is OEM, the install is linked to the motherboard so you would need a new license (mostly trying to re-iterate, it is not worth it to replace the motherboard through a shop). If you upload pictures we can look at them, but I am pretty sure it is due to bad capacitors. The top metal part will be bulging upward instead of flat on top of the capacitor.
 
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Saga Lout

Saga Lout

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Mar 31, 2010
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I'm intrigued by the reference to a UPS. The square box at (not on) the top of the case is the PSU - power supply unit. A UPS is an uninterruptible power supply which holds enough electricity to keep the computer going in a power cut (outage in the US) just long enough to allow you save your work and shut it down properly. If you don't have a UPS, I agree the motherboard has serious problems.
 
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