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Thread: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work

  1. Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #1
    Beginner
    Join Date
    Mar 2012
    Posts
    4
    Hi everyone,

    i am freaking out.

    My Brightness Control doesn't work anymore, since 1 Month i cant adjust the brightness.
    All the other [FN] Combinations work fine...

    I updated all drivers etc. still doesn't work.
    Any suggestions?

    Even if u change between accumulator mode and normal it doesn't change any thing....

    Thanks for the help.

  2. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #2
    Master
    Join Date
    Sep 2009
    Posts
    3,786
    Hi

    What notebook model do you have exactly?
    What Windows system are you using?
    Do you use Toshiba preinstalled system?
    Did you change something on the system?

  3. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #3
    Beginner
    Join Date
    Mar 2012
    Posts
    4
    oh sorry forgot...
    i have got a

    SATELLITE L755 Modell:PSK2YE-05J015GR
    win7 64(was preinstalled)
    no changes(i have installed the Windows 8 Developer Edition on a differnt partition, but it worked, just since one month the brightness control doesn't work )

  4. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #4
    Master
    Join Date
    Sep 2009
    Posts
    3,786
    Hi

    I found this Toshiba knowledge document:

    *The display brightness cannot be changed with key combination FN + F6 / F7*
    http://aps2.toshiba-tro.de/kb0/TSB11033A0000R01.htm

    Not quite sure if this would help you but according to the doc the Toshiba Value Added Packages needs to be updated.

    Check this

  5. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #5
    Beginner
    Join Date
    Mar 2012
    Posts
    4
    Updated but still doesn't work -.-

  6. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #6
    Master
    Join Date
    Feb 2005
    Posts
    2,370
    Can you change display brightness using option in power settings (adjust plan brightness)?

  7. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #7
    Beginner
    Join Date
    Mar 2012
    Posts
    4
    No its seems like my Computer isn't able to set the Brightness anyway?!

  8. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #8
    Really strange… did you try to set the BIOS to default?
    Do this following way: go to BIOS (press F2 at the beginning), in BIOS press F9 to get default settings and save changes pressing F10.
    Reboot the notebook.

  9. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #9
    Beginner
    Join Date
    Mar 2012
    Posts
    2
    Hello. I also have the same problem. FN+ F6 and F7 does not work. no brightness controller on power settings and also the ECO program does not work. Tried to put BIOS into default as per instruction on the reply above, but the BIOS (3.0) setup is locked (greyed color).

  10. Re: Satellite L755 PSK2YE - Brightness [FN]+F6 and F7 doesn't work
    #10
    >No its seems like my Computer isn't able to set the Brightness anyway?!
    Try please to reinstall display driver. I presume you can find it on http://eu.computers.toshiba-europe.com/innovation/download_drivers_bios.jsp

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