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# Lenovo ThinkPad Edge E440

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Reason: Stub (Discuss in Talk:Lenovo ThinkPad Edge E440)

Hardware | PCI/USB ID | Working?
--- | --- | ---
Graphics |  | Yes
Ethernet |  | Yes
Wireless |  | Yes
Audio |  | Yes
Touchpad |  | Yes
Camera |  | Yes
Card Reader |  | Yes
Bluetooth |  | Untested
Fingerprint scanner |  | No

## ClickPad

The only tweak you may want is to resize active area. With default config, you can cosily use as pointer only top 1/3 of ClickPad. See Touchpad Synaptics#Buttonless touchpads (aka ClickPads) for instructions.

## Keyboard

`Fn` and `Ctrl` keys can be swapped in BIOS.

`Fn` lock can be switched with `Fn+Esc`.

## Backlight

Backlight control works with multimedia keys (`Fn+F5`/`Fn+F6`). To configure brightness level on startup see Backlight#Udev rule.

## Audio

Default configuration could point to non-existent device because numbering of HDMI devices does not start with 0. Suggested solution is to set PCH device to default by placing a configuration file into `/etc/modprobe.d`. The following thread contains alternative solutions and detailed instructions: Fixing ALSA device selection.

## Troubleshooting

### With Fn and Ctrl_L keys swapped, Ctrl_L+s hotkey is mapped to Alt_L

Lenovo Forums topic

Issue is present on notebooks with BIOS versions older than v2.16. Problem can be solved with a BIOS update up to v2.16 or newer. See the BIOS v2.16 update changelog.

### Blinking power LED after resume from suspend

This is not a real problem, but can be annoying and has a very simple solution:

    # echo "0 on" > /proc/acpi/ibm/led

For automation, create a script depending on the used power management tool.

## BIOS Update

Steps below were tested by contributors of this page and work perfectly. However, do the following procedure at your own risk!

To update the BIOS from a USB drive, follow these steps (alternatively, you can download the ISO, burn it to a CD, and then boot from the CD):

1. Download the latest firmware from the official E440 Downloads page (search for "BIOS Update (Bootable CD) for Windows").
2. Install the geteltoritoAUR utility.
3. Convert ISO image:

       $ geteltorito.pl -o bios.img j9ujXXwd.iso

4. Write the image to the USB drive. Suppose, your drive is `/dev/sdb`. Warning: all information on USB stick will be lost!
   1. Unmount all partitions associated to the drive (perform for every existing 'X'):

          # umount /dev/sdbX

   2. Write image:

          # dd if=bios.img of=/dev/sdb bs=1M

5. Reboot you PC and boot from your USB drive.
6. FOLLOW ALL INSTRUCTIONS written in the update utility!

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