Having problems with your CMB T43 750 Notebook ?

My laptop swithces off itself every 40 minutes

\015 My laptop switches off itself after every 40 minutes after loading windwos. Can you tell me what is the problem exactly. I am running my laptop without battery direct form power supply, as I have no battery right now. I have checked my power adapter. It is ok and working fine with other laptop. Please suggest me, if there is any settings.Thanks in advance.\015

Answers :

This is typical of a overheating (thermal shut down) CPU problem.
When the CPU overheats and shuts down, it won't bootup again until the CPU cools down. If this is not fixed then the CPU will fail.
This problem is caused by either a faulty fan or the fan and heat assembly is clogged with dust.
Check the fan to see if it spins freely, replace if faulty and clean the dust off the fan and heatsink assembly.
Also apply fresh thermal paste to the heatsink/CPU.
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