Dell Laptop Processor Fan Not Working

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.

Dell laptop processor fan not working.

If you do that you will disable fan controll. If you ve installed the cpu fan yourself ensure that it is installed in the correct location. Hi tiller112 thanks for posting. 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.

I don t recommended this because you can easily destroy your pc. Apologies that your system is not working as expected. 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.

Replacing the fan is the first thing and the least expensive to try. If the fan is not working then i have to assume the system is shutting down as the cpu will overheat. So your fan is always running at 100. Check your cpu fan s location.

It should be connected to the cpu header on the motherboard. I hope this will work. The same for this if you mess it up your problem not mine. If that doesn t solve the issue the mainboard is the faulty part.

The fan will run at optimized performance automatically when there is a change in temperature when it reaches a set temperature. From that point the cpu fan no longer works when i am using the ope. Dell spare parts at 800 357 3355 have your service tag when if you call. Processor fan not working.

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. 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 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. Lint and dust accumulation prevents air from flowing around the cooling fins and causes the fan to work harder.