Cannot Change brightness after upgrading to 1803 RTM, previously it was fine .

Anonymous
2018-04-09T13:37:41+00:00

I had to reset windows because on installing build 17127 , it botched. Even in the botched state it had no brightness control.

Now , I don't have it even after upgrading to 17133 or 1803 rtm . 

I have tried  , installing / uninstalling Intel HD graphics driver ( very old , core i3 first gen PC) 

I have installed/uninstalled Monitors >generic PnP monitor drivers .

(monitor.sys ) is the said driver that allows / disallows F2/F3 brightness hotkey , while brightness never changes. Can you give Monitor.sys from an earlier build such that it can be tested , how do I replace the driver.

Windows for home | Windows 10 | Devices and drivers

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  1. Anonymous
    2018-05-15T19:37:44+00:00

    I have a Acer8935G and was download: https://danielkawakami.blogspot.de/2014/08/gma-4500-series-feature-pack-for.html and applying it but it not woirking anymore !

    This pack isn't for Intel 4 series.

    Problem with no adjustment brightness still not resolved

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  2. Anonymous
    2018-05-15T12:57:17+00:00

    Another solution is to change your FTC value (FeatureTestControl) here: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class{4d36e968-e325-11ce-bfc1-08002be10318}\0000 I've changed FTC value to F900 and I've got smoth brightness control. The only issue is that I receive max brightness at 60%.

    This works for me with the latest intel driver for HD Graphics 1st gen from here: http://leshcatlabs.net/forums/showthread.php?tid=1176.

    They also have FTC library:https://docs.google.com/spreadsheets/d/1qBer_p2xJVnYqG7T_GjYZf7CcdKo6SEwrMvApXkF_7g/pub?single=true&gid=0&output=html

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  3. Anonymous
    2018-05-15T09:39:40+00:00

    I've installed the old Intel Driver: 8.15.10.2253 over the manual instalation "have driver". This worked fine for the Intel Graphics. It's adjustable again.

    https://downloads.dell.com/FOLDER93920M/3/R294607.exe

    This work with my hp ProBook 4520s laptop with core i3-370M. Extract (Install) it. C/Drivers is the folder used. If it doesn't install, use the Have DIsk Option from Device Manager > Display adapter > Update Driver. Go to the folder with .inf file, inside the C:\DRIVERS\IntelVideo\Graphics .

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  4. Anonymous
    2018-05-15T09:15:00+00:00

    Yes this work with my hp ProBook 4520s laptop with core i3-370M.

    Extract (Install) it . C/Drivers is the folder used . If it doesn't install , use the Have DIsk Option from Device MAnager > Display adapter > Update Driver.

    Go to the folder with .inf file , inside the C:\DRIVERS\IntelVideo\Graphics .

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  5. Anonymous
    2018-05-15T09:11:17+00:00

    I've installed the old Intel Driver: 8.15.10.2253 from Lenovo over the manual instalation "have disk". This worked fine for the Intel Graphics. It's adjustable again.

    https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/80d861ww.exe

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    2 people found this answer helpful.
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