On the contrary if everything works then comment below verifying the guide. If you encounter a typing mistake or a step not working for you please comment below. Test your laptop’s temperatures ( using sensors command ) under different workloads and verify that the fan speed is as per the rules you defined. RESTART your laptop and everything should work as expected. If the line does not exist add it yourself. If you want to start thinkfan automatically at boot-time please type the followingĬhange the line START=no to START=yes. Sudo echo "options thinkpad_acpi fan_control=1" > /etc/modprobe.d/nf Now, we must add a configuration file into the modprobe.d They are fine as per my configuration so please test them before using them and if necessary adjust them to your needs. NOTE: I am not responsible for any problems you encounter with these rules. Please take notice that the HIGH_TEMP of a rule must be between the LOW_TEMP & HIGH_TEMP of the rule that follows.
If it goes below the LOW_TEMP it will fallback to the previous FAN_LEVEL rule. The format is: ( FAN_LEVEL, LOW_TEMP, HIGH_TEMP ) meaning that each FAN_LEVEL will start when the highest temperature reported by all the sensors meets its LOW_TEMP and if it surpasses its HIGH_TEMP it will go to the next FAN_LEVEL rule. The above lines are the results from Step 5 prefixed with ‘sensor ‘. Sensor /sys/devices/virtual/hwmon/hwmon0/temp1_input Sensor /sys/devices/platform/coretemp.0/temp3_input Sensor /sys/devices/platform/coretemp.0/temp2_input Sensor /sys/devices/platform/coretemp.0/temp1_input Go to the line where it says #sensor /proc/acpi/ibm/thermal … and below that line ( which should be commented since thermal is not supported in the new thinkpads ) insert something like the following: It’s time to edit our thinkfan configuration If you don’t get any outputs ( similar to the next step ) please Reboot and continue from this step. Sudo find /sys/devices -type f -name "temp*_input" The next step is to find your temperature inputs so take note the results of the following command It will provide us the temperature inputs.
#T400 fancontrol install#
Install thinkfan which is our main programĪdd the coretemp module to the startup list. The first thing we will do is to install a program that will provide us information about the sensors of the laptop and their temperaturesĬonfigure the application in order to find every available sensorĪnswer Yes to every question and the last confirmation for saving the changes made. So, I am making this tutorial for anyone that has a new Thinkpad ( x30/x20 models ) and needs to control his fan in order to keep the noise down and get more battery life.Įvery step below uses the terminal so open an instance with the combination CRTL + ALT + T
#T400 fancontrol how to#
After researching for a few hours online to find a guide on how to control my Thinkpad’s fan speed I realized that the new models have some differences from previous models and the guides available are not complete if not wrong.
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