I have bought a used ZBook G1, did a fresh Windows 10 Pro x64 install (version 20H2) and I cannot make the screen brightness and microphone function keys to work. All the drivers are installed, no unknown devices in the device manager, Windows having all updates as of 30th March 2021. There is no hotkey package among the drivers, so I have tried numerous sp-packs mentioned around these forums allegedly fixing the issue but nothing seems to be working. I can change brightness via display settings, but that is not very convenient.
PS: I am willing to reinstall Windows on this machine of necessary
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