Q[Switch] How do I restart the console?
You can restart the console is as follows.
1. Hold down the POWER Button on the top of the console for 3 seconds.
2. Select "Power Options" from the Power Menu that's displayed.
3. Select "Restart".
If the above does not work
If holding the POWER Button for 3 seconds fails to bring up the Power Menu, you can press and hold the POWER Button for at least 12 seconds to force the console to shut down.
*If you want to restart software, close the software and then open it again.