Lenovo ThinkPad X220

The X220 can not boot from a GPT disk in Legacy BIOS mode, it is necessary to either switch to UEFI booting or create a MBR Partition Table.

fwupd does not support this device yet.

To update the firmware on the device, get the latest bootable CD and follow the steps in Flashing BIOS from Linux#Bootable optical disk emulation.

After waking up the device from suspend, the device might get stuck in a reboot loop. This can be caused by the EFI storage getting too full. Run the following commands as root to free up some space.

 # First clear the pstore
 mkdir -p /dev/pstore
 mount -t pstore pstore /dev/pstore
 ls /dev/pstore # <- Nothing important should be here, but check first anyway
 rm /dev/pstore/*

 # Next some EFI variables. These are used/created by pstore, but I have had them even though 
 #I deleted the pstore data using the above commands. YMMV.
 rm /sys/firmware/efi/efivars/dump-type0-*

The internal microphone can generate a lot of static or hissing, the workaround is to mute the right mic input channel.

If the touchpad is jumpy/imprecise, copy the two lines below into a new file:

/etc/udev/hwdb.d/90-libinput-x220-touchpad-fw81.hwdb

touchpad:i8042:*
 LIBINPUT_MODEL_LENOVO_X220_TOUCHPAD_FW81=1

then run

See Fedora bug #1264453 for more details.

1. The key is visible to and similar tools
2. The physical key has a symbol on it, which describes its function

• Arch user blogs about the X220
  • Thinkpad X220 model 4287CTO using a msata SSD for 64 bit Arch Linux
  • X220 i5
• Thinkwiki X220 reference
• Power saving options for the X220 - Notebook Review Forum
• for ThinkPad X220 Tablet rotation, docking, etc scripts