Fault phenomenon: An IBM T42 laptop computer will slow down after running for a period of time as soon as it is started, and it will freeze and restart automatically for no reason.
Solution: Because the CPU fan is noisy, the CPU fan of this laptop computer has been disassembled and cleaned before, so it is judged that it may be a problem with the CPU fan, causing the CPU temperature to be too high and causing the problem. After disassembly and inspection, it was found that the screws of the original CPU fan of T42 were not installed in place. After reinstallation, the fault did not occur again.
CPU fan is not installed properly, causing frequent freezes
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