PC Peripherals PC shuts down after 10-15 secs.

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It's most probably your cpu fan. You'll have to replace it.
To test the theory, you can leave the heatsink in place, and replace the fan with a case fan. I don't know if it'll be possible for you to remove your fan from the heatsink, but if you can't put a case fan on top of the cpu fan, and see if you can enter the bios. Then disable cpu fan monitoring, and keep an eye on the temps. If it's all working okay, it's the cpu fan that needs to be replaced. Else, it's possible that your motherboards been damaged.
But thats very unlikely.
It's strange that there are no beeps though. Which motherboard do you have?
Also, is there any dust accumulation? If so, clean it off with a fine soft haired brush.
What were you doing when the computer died? Or did it just refuse to start up?
oh..and make sure the case fan is positioned so that it's blowing air onto the processor
 
Photographer said:
thermal heating only occours when the HSF is not touching the processor properly take it off clean it up apply thermal paste and then try
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Don't take the heatsink off...theres no reason why it should suddenly get loose after 6 months.
 
iamddevil said:
Don't take the heatsink off...theres no reason why it should suddenly get loose after 6 months.
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well my one got loose in 11 months can't his 1 get loose

i have the same mobo and a PD930
 
Photographer said:
well my one got loose in 11 months can't his 1 get loose

i have the same mobo and a PD930
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anythings possible, but not everythings likely.

Anyway, he already said before that the problems not with the heatsink
 
From the PSU there are 2 power cords which goes into the MOBO i.e 2*12 pin and 2*2 pin.

If I dont connect the 2*2 PIN , The CPU fans dosent stop but I dont get the display.
IF i connect the 2*2 PIN, I get the display but the CPU fans stops in 10 secs and then the PC shuts down.
 
that 2*2 pic powers the processor that is why when u remove it the fan dosen't stop and u get no display because the processor is off the fan gets it power from the mobo
 
did your fan spin fast enough that any writing on it was a blur when you unplugged the 4pin cord?
If it wasn't spinning fast enough, then the computer automatically shuts down if you've got cpu fan monitoring enabled in the bios.

Anyway, reset the bios and see if that helps.
 
Photographer said:
hmmmmmmmmmm

Pentium D on 102 it's really bad
i had the same problem man check the temps in bios
i think it's ur HSF even tough u checked it check it again
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I dismantled everything and then assembled it again. It started working fine. :clap:

I guess the problem was HSF. Thanks to everyone for helping!!!!
 
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