I was gaming fine on my PC two nights ago and then when I went to boot up the next day it flashed a screen that said "CPU fan error!" I cannot figure out what is causing the problem but it isn't letting me do anything but go into the bios and I've played around with those, reset all of them, etc. I have an origin built rig with Asus X99 MOBO, i5 5960X, 32 GB DDR4 Corsair Dominator RAM, and a corsair H110i AIO CPU cooler. Please help! Tried everything! I even got it to run again last night and played BF4 for 3 hours. Idk what's going on! Help!!!
"CPU Fan Error!"
- Thread starter HNC908
- Start date
rchris
Distinguished
- Dec 5, 2014
- 308
- 1
- 18,965
I've had this issue where the boot up is so fast that it doesn't detect the CPU fan as running (the fan is just starting up a little slow). Just make sure the CPU fan is working. Then, in the BIOS settings there should be an option to let you skip the fan warning and proceed with the boot up. (With motherboards I've had, you also have the option to press F1 to continue with the boot if you don't want to have the BIOS disregard the warning.)
1LiquidPC
Splendid
- Oct 11, 2014
- 5,314
- 83
- 31,590
If I had to guess, its your pump starting to go in your AIO cooler. When you boot your system only allows so long for a reading from CPU fan(pump in your case) to report its RPM. If RPM is too low or no reading, you'll get the error. I saw this myself a few years back. I have two pumps on 2 separate headers. The error started showing up intermittently on boot. After some investigation, I discovered one of my pumps was taking 10-15 seconds on occasion to start pumping causing the error. I replaced both pumps and error disappeared. Unless you changed something before this started(UEFI update,other hardwsre, ect.) I'd look into this.
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