Windows 10: Brightness options completely missing

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  1.    07 Jun 2017 #1

    Brightness options completely missing


    I have a Pavilion g6 2359 which usually is installed from recovery. Since I wanted to do clean Win10 install I chose to install from USB instead, missing all automated drivers ect from recovery.

    One thing that is really bothering me is I cannot adjust the brightness.

    Speculation on possible reason, the pc regognises the display as "generic pnp..."

    Tried:
    -Fn+f2/f3, doesn't work. Fn+f9-f11 do work (changes volume settings).
    -Display settings (desktop+right button) - the brightness bar completely missing and nowhere to be found in advanced either.
    -Power management settings - same deal, no brightness related setting anywhere to be found.
    -Windows search - typing in "bright" gives 0 matches.

    Thus far:
    -Googled for help, not found.
    -Installed intel driver uptade utility, worked it, no solution
    -Installed HP support assistant and let it do all it wanted (it installed new card drivers for display adapter for one) but didn't help
    -Tried to find suitable drivers manually from hp site and in internet, no luck. I'm looking for "display drivers" right? Not "display adapter drivers"?
    -From Device Manager tried to let it find drivers on the display in the net, no results. The driver is up to date apparently.

    I'm at a loss. Ty for any hints you can give me...
      My ComputerSystem Spec

  2. Caledon Ken's Avatar
    Posts : 9,730
    Windows 10 Pro x64 Build 1803
       07 Jun 2017 #2

    Hi ScothMcBeast

    I think you are looking for Display Adapter Driver, basically the graphics card, which tells the screen what to do.

    I would do as you are doing, find an older driver. If this does not yield results might even be worth unplugging, remove battery, hold power button down 20 secs, wait a couple of minutes, reassemble and test.

    If things start to work note driver version. If things then stop working, say in a day or two, recheck driver version. If it has been updated you will have to stop Windows from updating drivers.
      My ComputerSystem Spec

  3.    07 Jun 2017 #3

    I rolled the driver by installing catalyst manager 8.00.xxxx and with it a driver which was released fall 2014 (14.xxxxx opposed to the last 15.xxxxx). Checked from device manager that the display adapter drived is indeed rolled to 14.xxxxx. No help even after restart. I tried the Fn buttons and also looked from the usual places for brigthness bar, no.

    I shut down the notebook again, removed power cord & batt, held power button for approx 30sec. Waited 3-4 mins. Restarted after assembly and again no luck. The display adapter driver remains 14.xxxxx.
      My ComputerSystem Spec

  4.    07 Jun 2017 #4

    Click image for larger version. 

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      My ComputerSystem Spec

  5.    07 Jun 2017 #5

    Your keyboard functions are actually enabled after installing the HP software that will allow those functions to work. I'm not sure what program it is, since I haven't had an HP laptop in a long time.
      My ComputerSystem Spec

  6.    07 Jun 2017 #6

    That is odd that the HP support assistant didn't find the drivers for it, and I'm shocked the built in brightness features aren't working for you.

    There are no brightness options in power options?
      My ComputerSystem Spec

  7.    08 Jun 2017 #7

    No there are not. I'm no expert on this but "feels" like if I can get the system regocnize the display I'd had a chance to get this problem solved. Is that assumption way off?
    I can get some more screenshots in few hours of the missing brightness bars if it helps :)

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    Last edited by ScothMcBeast; 08 Jun 2017 at 16:09.
      My ComputerSystem Spec

  8.    08 Jun 2017 #8

    I opened the amd catalyst center and found some brightness (among other color ect rulers) there which actually do influence the display brightness so I guess I could deal with it that way always but I'd rather have it working the right (quicker) way.
      My ComputerSystem Spec

  9. Caledon Ken's Avatar
    Posts : 9,730
    Windows 10 Pro x64 Build 1803
       09 Jun 2017 #9

    In Post 4 of this thread your device manager shows two display adapters drivers. I wonder if there is a conflict.

    Assuming you have a system Image that will quickly let you restore I would delete the first 7600 Series adapter leaving the one with Dual Graphics installed.

    If you don't have an Image either create one or proceed with caution.
      My ComputerSystem Spec

  10.    10 Jun 2017 #10

    Caledon Ken said: View Post
    In Post 4 of this thread your device manager shows two display adapters drivers. I wonder if there is a conflict.

    Assuming you have a system Image that will quickly let you restore I would delete the first 7600 Series adapter leaving the one with Dual Graphics installed.

    If you don't have an Image either create one or proceed with caution.
    Don't know much about that, can try find out. BUT I do know that device manager has always displayed 2 cards from the get go. Meaning since the store and every recovery I've done.
      My ComputerSystem Spec


 
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