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 ...
Can you get into the BIOS or does the shutdown at POST not let it stay up that long? If the fans are moving and not making any noise I would think that one of them is having an intermittent short/open ...