Question about Dell Latitude D600 Notebook

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Fan off but on for a few seconds occasinary

I noticed that the fan is not rotating but when i opened the lap top, and switched on while opened, the fan responded only for a few seconds. This happen several other times i swiched on and off. Is there a sensor that instructs the fan to start rotating or could the cable be loose where i am not checking? Help

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  • jmsimuko Feb 05, 2009

    Your anwer is correct as i also observed later. It appears that i have never noticed or bothered to check what happens. On that particular day however, i thought there was too much heat and when i noticed that the fan was not rotating, it became a major concern. On the following day I decided to risk and surprisingly all went on well.

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The cooling fan runs when prompted by a thermistor on the motherboard. If the CPU temperature is below the temperature threshold, then the fan doesn't run.

The system is functioning as designed unless the system is displaying symptoms of overheating.

Posted on Feb 05, 2009

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