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Hp 540 laptop brightness control not working

Clicking fn F7 and F8 to regulate the brightness on my hp 540 laptop does not change the brightness.

Is there any software update etc that I need to do or is my laptop possibly spoilt?

Cheers,
Ryan

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  • 6 more comments 
  • ryanf Mar 06, 2009

    It doesnt have any brightness settings in BIOS.

    However, strangely, the F7 and F8 (with fn) keys actually modulate the brightness when I am in the bios mode, but the moment XP boots, this feature somehow seems disabled.


  • Anonymous Mar 12, 2009

    I have the same problem! am using hp 540 .I have also checked with a couple of guys who are using the same machine; they also are facing this problem! I think there should be some software or installer to fix this.Please anybody who have the solution to this,reply!

  • Anonymous Apr 01, 2009

    how can i adjust my hp 530 contrast

  • gen7th_neo May 12, 2009

    please help me............ bios latest driver for hp 540



  • suresh10verm May 23, 2009

    i have a hp 540 notebook the same problem create in my notebook.

    function key is not working (f7,f8,f11,f12) and print screen function not working and

    ctrl v and ctrl x is not working . anybody can solved this problem ?.

    Thanks
    Suresh


  • Nicholas Lussier May 11, 2010

    Have you attempted to update to the latest video drivers?

  • Nicholas Lussier May 11, 2010

    Has the laptop always done this? Have you looked for any brightness options in the Bios? Have you tested the F7 and F8 keys to see if they work?

  • brajesh Sep 03, 2013

    i am brajesh i also have same problem with my hp 540 laptop...is there any solution.

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Go to hp website to download the sp38171 which is the HP Quick Launch Button driver.

recently i purchased a HP540 laptop, was having the same issue like u all, so please install taht sp38171 to fix the function keys issue.

Posted on Aug 11, 2009

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How to reprogram m lop top computer because there some viruz

Posted on Mar 06, 2009

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I think i know your problem

Posted on May 12, 2009

  • gen7th_neo May 12, 2009

    where can i download the latest bios for my computer?????

  • gen7th_neo May 12, 2009

    is there anybody who can help me.. because i badly needed to reprogram my computer right now



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