Maybe there dust building up and the fan is working harder keep the cpu cool.
Open up the computer and with a can of compressed air blow out all the dust. Try to get all the cpu's cooling fins clear of dust and see if that helps any. If not come back and say it didn't work. someone else may know the problem.
i did that i even left the side of the case off..... but its cooling the computer fine... just the speed has gone up from 2900 to 3500 over a period of 6 months.. just wondering if the cooling fan is (going bad or something) i don't want it to fail and then for my cpu to burn up.. (i only turn my pc off like 3 times a week... its running almost 140 hours out of 168 hours in a week..
since i got the computer... 6months ago... it was a used system but i cleaned everything... i cleaned the cpu and heat sink with 91% isopropyl alcohol.. so it was very clean... (currently is still 99% clean)..
i was just wondering if anyone else out there had this same issue... i was hoping it was just a bios setting or something? but it seems i might have to buy a new fan....
well depending on the motherboard you can adjust the fans rpms but i would not recommend it. Just because if your CPU does get very hot the fan can adjust it self to cool it down better. maybe getting a new fan is your only option.