"Herman Moothery , If you find yourself having to prod the fan to get it to spin, replace the CPU fan as it is sticking and probably faulty/worn out, new fan is inexpensive insurance to keep the CPU cool. Link below is just an example of a new fan that can be purchased, you can also do a search for perhaps better pricing. Good luck.
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"It depends, some CPU's do not get hot in standby so the fan does not start turning until a specific degree of tempreature is reached. Then it is normal. But if the Fan is older then I would just buy a new CPU fan and then you can also choose to get a more quit version. There are a lot of CPU coolers out there.
