You are, obviously, also fine if you never heard of the fancontrol script from lm-sensors since no distribution has it configured and activated out of the box. You can’t control fan speed because they run continuously and use the TDP (Thermal Design Power).Fancontrol : /usr/sbin/fancontrol: line 638: echo: write error: Invalid argumentįancontrol : Error writing PWM value to /sys/class/hwmon/hwmon0/pwm1ĬoreCtrl will not make fancontrol die unless you have configured it to control the GPU fan, you are fine if you use fancontrol and it is only configured to control case fans and/or the CPU fan. Some Lenovo Legion laptops are the perfect example of this. You won’t find a fan speed control option in some cases because the BIOS doesn’t support this feature. There are many BIOS versions, and each one has different menus and labels.

If you don’t know how to enter BIOS, check our extensive guide before proceeding.Ĭontrolling fan speed in the BIOS depends on your PC or laptop. The most straightforward way to control fan speed is by making changes in the BIOS. Once the hardware is clean, you can optimize fan speed to your liking by using one of our methods. If you’re having problems with your fans, first clean your computer properly because fans work extra hard when there is dust and grime. This article focuses on several methods of controlling fan speed. However, if your computer fans are loud all the time or fail to kick in and your CPU becomes hot, you can fix both issues quickly. Your PC should be fairly silent when you’re browsing the internet, but it can get loud when you’re playing a demanding game. Fan speed is often controlled automatically based on the hardware temperature.

Linux cpu fan control