Yesterday the fan on my T41 started making this annoying whirring sound. I tried cleaning it out with compressed air, but the sound persists, so I think the fan may be broken. Is there any way to fix ...

I have Lenovo ThinkPad R61 and get error: "fan error" and notebook goes down. if starts up, not working fan but sometimes fan starts working for some minutes. max temperature is 40-44. Is problem with ...