<strong>Inner Cooling Fan for Nintendo Switch Lite</strong>
This is the only internal fan in the console, it's located in the middle of the mid-frame.
The console can boot without the internal fan, although it will overheat and power off with prolonged use
This fan only works on the Lite, the normal switch and OLED have different fans
To test whether or not the fan functions without opening the console, you can begin a high intensity game and hold your hand / face near the fan vent slot.