Did a clean install of windows 10 and all of the video drivers (Nvidia and Intel ones too) but I still can't get the screen brightness adjustment working from windows. I can manually set it from the bios! I updated the bios to the latest version.
I did remove the old intel video driver in device manager because it won't start updating from local files elsehow, but it was as simple as you described.
speedstep
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46969 Posts
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Posted October 18th, 2019 06:00
Download the one ring to rule them all cab file.
https://www.dell.com/support/home/us/en/04/drivers/driversdetails?driverid=728fk
https://downloads.dell.com/FOLDER03230091M/1/E5450_5450-Win10-A00-728FK.CAB
Then move the cab file to the MY documents folder.
then install 7ZIP
https://www.7-zip.org/download.html
then right click on the cab file and extract here using 7zip.
then right click on intel video and say update drivers from my machine instead of the internet.