If you have an HP laptop with an unknown device with hardware-id HPQ6001, it's the HP wireless button driver. Apparently some models on their support website lack this driver in the download list (it was the case for a HP Envy Touchsmart 1230eb).
Direct link to download: http://ftp.hp.com/pub/softpaq/sp58501-59000/sp58720.exe
Send a link to this post to yourself or a friend.
