Hey. So like a year ago I got some water on my Dell g3 and the battery got fucked up (also the keyboard). I can't spend on a battery right now because I have to import it from another country and it's kinda expensive. So I unplugged the battery and I'm using the laptop plugged in all the time...
Fixes an issue in which the value of the TimezonekeyName registry entry changes to a null value. This issue occurs after you run a WMI command to set a value in the Win32_ComputerSystem
More...