Every time I start up FS the fan begins to work hard. There is no rattling and therefore I assume the fan is balanced and OK. Ive read many reports over at Dell about this problem and many people have replaced the fan. Its a bit difficult for me to do this because I shipped the system from UK to here in Moscow. Im scared that the system could be getting too hot. Should I be worried and is there any way of knowing if damage is being caused?