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Computer suddenly died

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Danjb's Avatar
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05-Jul-2009, 01:17 PM #16
So basically, any ideas why the computer turned itself off and won't turn on again, if the problem is NOT the power supply?
joeten's Avatar
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05-Jul-2009, 02:07 PM #17
hi your heatsink fan is one thing, also try using speedfan or something like it to check the temps or everest
http://www.almico.com/sfdownload.php
http://www.lavalys.com/
Danjb's Avatar
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06-Jul-2009, 03:30 PM #18
How can I install that if the computer won't even turn on? And surely if it was the fan it would still do _something_ when I press the power button?
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06-Jul-2009, 03:37 PM #19
hi please stay calm i know this is frustrating first most comps today have a temp monitor of some sort, for the cpu if it gets to hot then it shuts down to protect the chip, if for instance you boot up the fan spins but is not cooling the cpu sufficently then you get shut down
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06-Jul-2009, 04:03 PM #20
Sometimes when a power supply burns out it also takes other components with it. If the power supply did indeed origially burn out, then it may have burned out the Motherboard or some other component.
Danjb's Avatar
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07-Jul-2009, 02:04 PM #21
I'm still calm, it was just a question.
Yeah but when I press the power, there's no fan spinning, nothing.

And I figure some component's probably gone, the trouble is finding out what...
joeten's Avatar
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07-Jul-2009, 02:29 PM #22
ok can you open it up and take a look put it on a hard surface take off the side remember to ground yourself if you need to touch anything.though you shouldn't at this point power it up and you will be able to see if the heatsink fan comes on and stays on you can also check the psu by sight and sound
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07-Jul-2009, 03:26 PM #23
Did you remember to plug int the 4 pin square plug to the motherboard? With out this the motherboard will not power on. As I said before it may be a dead motherboard. This does happen a lot of times when a power supply burns out.
Danjb's Avatar
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08-Jul-2009, 02:21 PM #24
Thanks again for your replies.

The PSU's light came on but it didn't make much of a sound. But this one's a new one so I don't think it can be broken... And there's no fan movement

Yup, the 4-pin plug is connected to the motherboard. Maybe the motherboard is the problem, I just wish I could be sure. Heck, the old power supply may still work but there's no way of knowing...
joeten's Avatar
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08-Jul-2009, 07:54 PM #25
hi no fan movement is that psu or heatsink fan on cpu
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09-Jul-2009, 01:06 AM #26
I would make sure the CPU is still seated and the heatsink and fan are still connected properly. Also your motherboard grounding itself to the case can cause this, are you sure you didn't bump the computer before it shut down? You could of knocked something loose, check your memory as well and make sure it's seated. If all hardware is seated and connected properly, I would definately start to lean towards your motherboard being fried.
joeten's Avatar
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09-Jul-2009, 11:51 AM #27
good call worth checking
Danjb's Avatar
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22-Jul-2009, 06:16 AM #28
Sorry for the late reply.

As far as I can tell, everything is connected fine, but I'm no expert.
When the computer died, it was totally random, I don't think I bumped it at all...

As for the fans, just did another experiment and when I first pressed the on button, both fans (back fan and interior fan) wriggled the tiniest bit. When I tried pressing the button again shortly after, I got nothing.
joeten's Avatar
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22-Jul-2009, 11:29 AM #29
hi not sure what you meant by wriggle,also do you have a graphics card installed,one last thing your psu is 400w this won't be what you get from it as they generally only work at around 80% of what is stated as max
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22-Jul-2009, 12:35 PM #30
He has installed an OCZ 600W so that should be fine for the power supply. As stated earlier, sometimes when the power supply blows, it will fry the motherboard and just about any components attached to it, Ram, Video Card, Hard Drives, etc.... With out a second system to test your components in it could be an expensive journey that may just turn out to be futile anyway.
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