How to Fix a CPU Fan Speed Error Detected Message On Boot When Fan is Working

Aug 14, 2023

How to Fix a CPU Fan Speed Error Detected Message On Boot When Fan is Working

Getting a CPU Fan Speed Error when booting your PC on an ASUS motherboard? If you know your cooling solution is working then this is probably what you need to do. Often this can happen when using an AIO system. Repeat, Be sure your CPU cooling solution is working before doing this since we are going to be telling the system to not monitor the fan speed. We are using an ASUS ROG motherboard to show how.

Important: Be sure your cooling solution is working before doing this. We will be telling the system to ignore the fan speed. And please subscribe to help support our channel.

Step 1: Enter the BIOS screen by clicking the F1, F2, F12, or Del buttons after rebooting your computer.
Step 2: If in easy mode change over to advanced mode to change the settings
Step 3: Enter the MONITOR section of the BIOS settings.
Step 4: Find the Fan Speed Monitor section and in there should be the CPU Fan Speed option.
Step 5: Change the setting to ignore and save

Depending on the BIOS version these steps may be slightly different.

At this point, it should no longer give the warning. But be aware that this should only be done if you know the cooling solution is working and you are monitoring temps.

Content

0 -> getting a CPU fan error when booting your PC? if you know your cooling solution is working

5.52 -> then this is probably what you need to do. often this can happen when using an all-in-one cooling

10.5 -> system. and repeat be sure your CPU cooling solution is working before doing this since

16.14 -> we're going to be telling the system to not monitor the fan speed. from this screen hit

21.6 -> F1 to enter the BIOS or you can also enter the BIOS on boot by pressing the delete key

30.06 -> once you enter the BIOS you may be in the easy mode

33.6 -> this point you'll need to switch over to the advanced mode to change the settings.

39.78 -> once in advanced mode go into the monitor section and find the CPU fan speed monitor

49.68 -> on ours, it is under the fan speed monitor section. we'll change that to ignore

61.2 -> and then we are all set. there are no more settings that need to be changed so we can

65.52 -> now go to exit. save and you are good to go. and you can reboot. and if you found

71.4 -> this video helpful please consider subscribing to help us out. thank you for watching [Music]

Source: https://www.youtube.com/watch?v=0PeULWQsY7s