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Heatsink power My heatsink fan stopped working causing overheating and shutdowns. I replaced the heatsink but still not working. Cable is fitted correctly and pins are all okay on the MoBo. All other parts of the PC seem to be ok. What should I check next?

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  • Dave Raby Jun 01, 2012

    The machine is a PC, a Packard Bell iPower 6800sli.

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  • Master
  • 5,051 Answers

Is this a laptop or desktop?

Did you apply a fresh coat of Thermal Paste on the CPU and Heatsink? If not, that might be your problem. Remove the heatsink, and remove the cpu from the socket also (remember how it goes back into the socket). Most times the thermal paste has probably dried up or is too thin to keep the unit cool and it's like metal touching metal and shorts out the motherboard when you try to power it on. Apply a fresh coat of Thermal Paste then put it all back together and reboot.

Posted on Jun 01, 2012

  • 1 more comment 
  • Dave Raby Jun 01, 2012

    Will give it a go, tks, but would this affect the fan not working???

  • Replace the fan too. They don't cost much if you buy one off ebay at:
    http://www.ebay.com

  • Dave Raby Jun 01, 2012

    The fan and heatsink have both been replaced but still no joy. Will try the paste tomorrow as willing to give all options a try. Rather this then pay a fortune for it just to be looked let alone fixed!

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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sandrew

andrew pester

  • 2961 Answers

SOURCE: Not posting

Maybe a silly question to ask; but did you connect the processor power lead, as unlike some processors this needs a seperate supply.

Posted on Dec 18, 2006

Anonymous

  • 101 Answers

SOURCE: atx12v1 cable

The repeating single beep with a small pause (actually 3 Beeps a Pause) clearly indicates problems with RAM .Replace it ,your problem will be solved . As for connecting the 12 volt 4 pin connector all mobos are designed to sense the presence of this 12 volts and ONLY THEN TURN ON.

Posted on May 06, 2008

buffalonyman

buffalonyman

  • 1865 Answers

SOURCE: Abit kn9 sli overheating ??

The problem could be a failed electronic component, and no cooling remedy will solve the problem. When some components fail, they result in high heat conditions.

Posted on Aug 06, 2009

map9966

Mike Peluso

  • 2351 Answers

SOURCE: MSI 845GE MAX Mobo fans on but no signal to monitor

Consider the location of the clicks you heard. The hard disk drive (s) are quit close to the power on button. These clicks could point to a bad hard disk drives spindle or a poor wire connection at the power button.
In either case the first question is did your hear your system P.O.S.T.?
Before you lost display! Normally, if the CPU gets too hot two things happen. 1st your hear what sound like a siren from the internal speaker & than the CPU will shut down the system so the CPU doesn't fry. If there is a problem with your power on button, AKA clicking. Check the wires from the button to the motherboard. Make sure their isn't a bad wire. There's only 5v DC running to the power on button. I doupt you'ed even hear a 5volt short.
If you have an OHM meter you can check the on button. You'll need someone to press the power button off & on. Do this with the power supply unpluged. Your checking ohms not volts. If possible check your drive (s) in another system.

Posted on Sep 25, 2009

mbase213

Mark Taylor

  • 728 Answers

SOURCE: Cannot remove the fan and heatsink

Hi,

The heatsink is probably stuck on with the cooler compound. If it's really stuck on, then I would release the CPU brace as well and pull the CPU out with the heatsink. Then carefully wedge something sharpe between the heatsink and cpu, like a razor blade and slowly push the blade through the compound until it's unstuck.

Thanks Mark

Posted on Apr 17, 2010

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