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Accepted
Mirto Busico
Asked: 2012-07-21 23:26:45 +0800 CST

Keyboard backlight not working on an Asus N56V

  • 772

See this question.

The FN keys are not working

Using answer in this question I installed the asus-wmi-dkms_0.2_all.deb.gz package

Now, using xev I see that the keys emit keycodes (for backlight keys xev says for fn-f3 and fn-f4 keycode 237)

But no keyboard backlight, also volume keys have no effect

================ original question ========================================

I cannot enable the keyboard backlight Seems that the leds class is missing I've not found the classes used in Keyboard light hotkey (Fn + F3 and F4) rarely work on an Asus G60J

Description of my framework:

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Machine: Asus N56V laptop

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Software

  • Kubuntu 12.04 amd64

  • kernel (3.5.0.5-generic) and drivers from xorg-edgers fresh X crack ppa

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Hardware and problems

  • after installation do not boot - SOLVED using boot-repair

  • every couple of hours the system freezes - SOLVED using 3.5 kernel

  • keybord FN keys - NOT WORKING

  • Keyboard backlight - NOT WORKING

  • Nvidia GEFORCE GT - NOT USED glxgears says 60 fps

  • Ethernet Atheros card - SOLVED install alx driver

  • external subwoofer - SOLVED adding options snd-hda-intel model=asus-mode4

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Solutions

see the answers to the this and this question.

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12.04

3 Answers

  1. Best Answer

    For N56V and N76V, you need :

    • a 3.5 kernel (from quantal)
    • to get the subwoofer
      • I add on /etc/modprobe.d/alsa-base.conf this line: options snd-hda-intel model=asus-mode4
      • reboot and select 2.1 output in audio pref
    • to get the fn keys + keyboard backlight
    • to get the GeForce (when you want)
      • install bumblebee and driver from x-swat repository
    • to get the Ethernet
      • build/install alx module (http://www.linuxfoundation.org/collaborate/workgroups/networking/alx)
    • 6

  2. Only thing that works for me is echoing like this:

    echo 1 > /sys/class/leds/asus::kbd_backlight/brightness

    Keyboard light hotkey (Fn + F3 and F4) rarely work on an Asus G60J

    • 5

  3. I bought an Asus N56VM laptop recently and sent the company an email concerning the following problem: Do not know how to turn on the keyboard backlight.

    The following answer (edited) from Asus solved my problem:

    1. Go to Control Panel to uninstall the ATK package.
    2. Download and reinstall the ATKACPI driver and hotkey-related utilities. Here's the link.
    3. Download and reinstall the KB Filter Driver. Here's the link.
    4. Use FN+F3/FN+F4 to adjust the backlight of the keyboard for a try.
    • 1