Dell Inspiron 8000 fan

In ubuntu the fan will never turn on on the Inspiron 8500 and possibly other 8000 series laptops as well. I got most of this information from here.

• Install the package i8kutils.

sudo apt-get install i8kutils

• Insert the i8k kernel module.

sudo modprobe i8k force=1

• Add i8k to /etc/modules so that it loads every boot.

sudo nano /etc/modules
i8k

• Add the force option to /etc/modprobe.d/i8k so that the modules loads correctly.

sudo nano /etc/modprobe.d/i8k
options i8k force=1

• Enable the i8kmon daemon.

sudo nano /etc/default/i8kmon
ENABLE=1

• Configure the i8k daemon to turn the fan on at certain speeds depending on the cpu temp. Look at the i8kmon man page for some more information on how to configure it.

sudo nano /etc/i8kmon
set config(0) {{0 -} -1 50 -1 50}
set config(1) {{1 -} 50 65 50 65}
set config(2) {{2 -} 65 128 65 128}

• Restart the i8kmon daemon.

sudo invoke-rc.d i8kmon restart

• Run stress test and verify that the fan is running.

oem@freekbox:~$i8kctl
1.0 A17 B5W123K 52 0 2 8040 6420 1 2

the fan is running on high speed

1.0 A17 B5W123K 52 0 0 8040 6420 1 2

the fan is not running at all

• Listen to that baby purr.