Re: xps 8300 starts clicking after a couple of hrs
It is important to isolate where the sound is coming from. If it is your drive clicking, it may die completely any time. If it is a fan, it's not much to worry about, but something you would want to contact Support for eventually. Make sure you have any important data/settings backed up, then I'd recommend running diagnostics on the drive (probably F12 when the system is powering up - or you might have a utility disk that came with the PC). If it passes or you are pretty convinced it is the fan, open the case (with the PC off), and reseat the fan(s).