create /etc/modprobe.d/thinkpad_acpi.conf with: options thinkpad_acpi fan_control=1
reboot.
Then you can change fan speed via "#echo level full-speed > /proc/acpi/ibm/fan"
create /etc/modprobe. d/thinkpad_ acpi.conf with: options thinkpad_acpi fan_control=1
reboot.
Then you can change fan speed via "#echo level full-speed > /proc/acpi/ibm/fan"