What driver to install to fix Brightness issues on my Edge 15 with Windows 8.1

Hi,
On my Edge 15 with Windows 8.1, Brightness is unavailable from Windows. I can adjust brightness with the Fn keys, but it keeps resetting it's default value. Very annoying.
There are a lot of drivers, which one should I install to fix this problem?
Thanks,
Heras

Hi Heras2,
Welcome to Lenovo Community!
As per the query we understood that you are facing the issue with Brightness on your ThinkPad Edge 15.
To resolve the issue please update Display drivers, Hotkey features & power management application.
Note: before updating the above application you have to uninstall it first from Control panel –Program & feature option and after that you have to update.
Hope this helps.
Best regards,
Hemanth Kumar
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