Plug the Nintendo Switch dock into power using the AC adapter
Connect the dock to the TV with an HDMI cable
Open the back cover of the dock
Plug the USB-C end of the AC adapter into the dock
Plug the HDMI cable into the dock’s HDMI OUT port
Plug the other end of the HDMI cable into an HDMI port on the TV
Place the Switch console into the dock
Turn on the TV
Select the correct HDMI input on the TV
If needed, remove the Switch from the dock and reseat it properly