I’m incredibly frustrated by my laptop’s drivers(Lenovo Ideapad Z500). Incredibly bugged, and not just in Windows 10(Lenovo doesn’t provide Windows 10 support for this precise model), had issues with them previously too. What happened on Windows 8 was that when updating my intel video driver my brightness would sit at lowest setting once trying to lower it- so I’ve had to go back to a previous version.
I was happy with that! Everything worked fine with the older driver, however after installing Windows 10 another problem emerged: if I keep the old version I cannot use my dedicated GPU and if I update it the annoying brightness issue reappears (you cannot imagine how annoying it is to be unable to change the brightness!). I’ve been seeing updates on the driver itself, probably 2 or 3 since I’ve noticed the issue the first time however it is still there and still very annoying.
I’ve learnt to work around it – choose a middle brightness setting then update the driver and never touch brightness settings again! It only triggers from function key though, changing Windows settings gets no response from it whatsoever. It’s not the ideal option, but still better than the alternative, which would be having no dedicated card! 🙂