Dell Laptop Processor Fan Not Working

The same for this if you mess it up your problem not mine.

Dell laptop processor fan not working.

So your fan is always running at 100. If the fan doesn t come on under diagnostics or windows both and the fan is known good spins freely by hand then it s a mainboard problem. The fan will run at optimized performance automatically when there is a change in temperature when it reaches a set temperature. Apologies that your system is not working as expected.

If you ve connected it elsewhere the fan may run when the computer is turned on but it won t be sufficiently cooling the cpu which is its main purpose. If the fan is not working then i have to assume the system is shutting down as the cpu will overheat. If that doesn t solve the issue the mainboard is the faulty part. Replacing the fan is the first thing and the least expensive to try.

Hi tiller112 thanks for posting. From that point the cpu fan no longer works when i am using the ope. Desktop pcs have more than one fan processor cpu dedicated or discreet video card gpu power supply psu and one or more chassis case fans. It should be connected to the cpu header on the motherboard.

Please perform a systems diagnostics by pressing f12 at startup or by running dell support assist. Inspiron 1520 laptop cpu fan not working if the fan does come on under diagnostics f12 at powerup but not under windows then it could be a software issue. Your dell pc may contain several fans to keep the internal components cool. What i did and works for my is removing the fan control by disconnecting the fan wire and solder it on the adapther i found that was 6v.

If your dell is not in the list and it isn t working like in my case you can do one last thing. Processor fan not working. I have a problem with my latitude e7450 cpu fan it seems to be working fine up until one day i spilled some coffee on the keyboard then i had to disassemble it then i cleaned the keyboard and have reassembled it. If you ve installed the cpu fan yourself ensure that it is installed in the correct location.

I hope this will work. Dell spare parts at 800 357 3355 have your service tag when if you call. Check your cpu fan s location. If you have run full system diagnostics from f12 and the same error is displayed then you are probably looking at a bad fan.