Depending on the kind of sound from the fan, you need to make sure nothing is in the fan path, and dust free, if not replace fan., about your drive to spin up, assuming you are refering to the Hard drive, replace the drive, seem to me the noise is coming from the hard drive, which indicate that your drive is about to go bad, time to back up your datas
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Depending on the kind of sound from the fan, you need to make sure nothing is in the fan path, and dust free, if not replace fan., about your drive to spin up, assuming you are refering to the Hard drive, replace the drive, seem to me the noise is coming from the hard drive, which indicate that your drive is about to go bad, time to back up your datas