cpu fan

The system boots fine but right when it starts up the cpu fans rev up all the way to full. When I check fan control it shows that cpu b heatsink is running extremely hot. Also, the top ram riser isn't recognized for some reason. Could this be a logic board issue?

Hi guys, I'm so sorry for asking this. But i've tried to search around but couldn't find a guide. (I've also combed through the Apple Technician Guide for it but to no avail). Is there a way to remove the fan from both the CPU heatsinks (non-destructively) cleaning and maintenance? I can see...

Hi all! In the past few weeks I've been having some trouble with Safari specifically. After I start it, no matter which websites I'm browsing, it starts overheating quite rapidly. So, I'm forced to quit it, but I have trouble doing even that - the app does not respond so I end up having to...

I've got a couple of dual processor Power Mac G4 Quicksilvers with failed or failing CPU fans. I'm doing lots of searching, but there isn't much around that I can find, and what I have found is usually used. If I'm going to replace it and spend at least $15 on a machine that's worth < $100, I'd...