After having installed the latest version of the ATK package, the error message initializeatkacpidevice returns false at startup should have disappeared, and the backlit keyboard light should now be working again! Backlit keyboard backlight wont turn on solved and keyboard backlight working again ...
How do I fix my disappeared cursor? Depending on your keyboard and mouse model, the Windows keys you should hit are varying from one to another. Thus you may try the following combinations to make your disappearing cursor back to visible in Windows 10:Fn + F3/ Fn + F5/ Fn + F9/ Fn ...