Page 2 of 2 FirstFirst 12
Results 11 to 17 of 17

Thread: Satellite L745-S4110 Brightness Keys not working

  1. #11
    Join Date
    Nov 2008
    Beans
    62

    Re: Satellite L745-S4110 Brightness Keys not working

    Just tried it, it does not fix it.

  2. #12
    Join Date
    Jun 2005
    Location
    Toronto, Canada
    Beans
    Hidden!
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Satellite L745-S4110 Brightness Keys not working

    Hmmm. I'm sorry but I'm out of ideas. Perhaps its best to either create a new bug report or add yourself to this one: https://bugs.launchpad.net/ubuntu/+s...ux/+bug/934095.

  3. #13
    Join Date
    Nov 2008
    Beans
    62

    Re: Satellite L745-S4110 Brightness Keys not working

    Quote Originally Posted by Toz View Post
    Hmmm. I'm sorry but I'm out of ideas. Perhaps its best to either create a new bug report or add yourself to this one: https://bugs.launchpad.net/ubuntu/+s...ux/+bug/934095.
    ok, thanks for helping. I guess I could add to that bug report, but it looks like it hasn't been udpated since March.. And it's a different toshiba model.

    The weird thing is my brightness works with "Brightness and Lock" but it's just the hotkeys that don't work upon a fresh reboot. It seems it might just be button mapping. But I have no idea how to fix it. I guess next I will try going to Keyboard Shortcuts, and see if the keys register as hotkeys. Maybe I can try to make a script to echo a number in the brightness in /sys/ somewhere..

    But even then it would just be a workaround and I would rather get it fixed somehow so I have the brightness bubble that pops up.

    Maybe I should try it on my live ubuntu 12.10 flash drive and see if it works there.

  4. #14
    Join Date
    Dec 2012
    Beans
    17

    Re: Satellite L745-S4110 Brightness Keys not working

    I suffered a similar problem on my Toshiba Satellite PRO U500...

    I was unable to adjust the brightness at all; I resolved adding acpi_backlight=vendor to the boot line.

    I hope this helps

  5. #15
    Join Date
    Nov 2008
    Beans
    62

    Re: Satellite L745-S4110 Brightness Keys not working

    Quote Originally Posted by M3m3nt0 View Post
    I suffered a similar problem on my Toshiba Satellite PRO U500...

    I was unable to adjust the brightness at all; I resolved adding acpi_backlight=vendor to the boot line.

    I hope this helps
    Thanks for the tip, however I have already tried this. And it doesn't fix it.

  6. #16
    Join Date
    Nov 2008
    Beans
    62

    Re: Satellite L745-S4110 Brightness Keys not working

    So I am still suffering from this issue.

    However, I often use hibernate and [when it works,] suspend, and I have created a script to use in my terminal to change the brightness [using intel_backlight]
    I went to Keyboard shortcuts, and my brightness down button [fn+f6] produces the code 0x78, and the brightness up [fn+f7] does not even register as a hotkey.

  7. #17
    Join Date
    Jun 2005
    Location
    Toronto, Canada
    Beans
    Hidden!
    Distro
    Xubuntu 14.04 Trusty Tahr

    Re: Satellite L745-S4110 Brightness Keys not working

    Can you try the acpi_osi=\"!Windows 2012\" kernel parameter? The relevant line in /etc/default/grub should look like this:
    Code:
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=\"!Windows 2012\""
    Note the backslash escaping of the quotes.

Page 2 of 2 FirstFirst 12

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •