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PC won't start shutdown with thermal problem message

C

cuti7399

Platinum Member
I have this old Dell PC which has been working great for the kids but started acting up since last week. It will power on booting through bios but as soon as it start to load windows xp, it shut down itself and pop up message in dos saying that there is a thermal problem.
I checked the cpu fan, case fan, all are working. I cleaned the dust inside pretty good but still can't remedy the problem.
Any help here is appreciated.
 
With the case open, boot the PC and verify that the fan on the CPU heatsink is running. If the heatsink fan looks OK, shutdown the PC, disconnect the powercord, then remove the CPU fan/heatsink assembly. Be sure no dust remains between the heatsink cooling fins, in the fan housing, or around the CPU socket.

As it ages, thermal paste can dry out and get hard, losing it's ability to transfer heat from the CPU to the heatsink. The CPU overheats, causing the shutdown.

Take isopropyl alcohol, a clean cloth, and clean off all the old thermal paste from the CPU and heatsink (you don't need to remove the CPU). Apply new thermal paste, then reassemble the cooler. Don't forget to plug the fan back in. Reconnect the powercord, boot your PC, and see if that fixes the problem.
 
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