If there is no TV video or audio output, check the following.
- Is the HDMI cable correctly connected to the Nintendo Switch dock or Relay Box-A?
- Are the TV input settings correct?
- Is the ADEV correctly connected to the Nintendo Switch dock or Relay Box-A?
- Is the TV output LED flashing on the Nintendo Switch dock or Relay Box-A?
If so, see 9.6 Flashing LED on the Nintendo Switch Dock.
- Is the ADEV operating mode policy set to auto or console?
If you do not find any problems while checking these things, perform the following operations.
- Remove the ADEV from the Nintendo Switch dock or Relay Box-A.
- Restart the ADEV if no image appears on the ADEV LCD screen.
For more information about restarting the ADEV, see 8.1 Restarting the ADEV.
- Confirm that an image appears on the ADEV LCD screen, and then connect the ADEV to the Nintendo Switch dock or Relay Box-A.