This is nothing permanent a reboot restores the setting also it is possible to re enable bios fan control with sudo smm 31a3.
Dell xps 13 fan control.
Click the links below for resolving fan issues with your laptop.
Solved by removing killer wireless software and driver version 12 0 0 825 and using the driver version automatically installed by windows and updates version 12 0 0 820.
This should disable the bios fan control until the machine is rebooted.
The source of the problem is that the new dell xps 13 has a very high res but small screen.
I also noticed the battery draining faster.
Dell xps 13 9380 fan problems solved my new xps 13 9380 would very often have the fans blowing when plugged in even though not doing anything too intensive.
Fan noise on inspiron xps notebook vostro notebook mobile precision latitude systems.
It errs on the side of slow quiet fans instead of proper thermal control.
The dell fan controller that i hear is not adjustable is simply not acting as quick as needed.
I bought a new dell xps 13 2 in 1 7390 laptop i7 processor and on non demanding tasks it would become hot and the fans would turn on.
Unfortunately the dell xps 13 also has a very low end graphics card i m not sure if this is actually the source of the problem but i suspect it to be.
This results in windows s default configuration being high res but scaled up by 300.
I7 xps 1702x with 3gb nvidia m555.
Works like a charm even though the temperature limits may need some tweaks.