How do I fix joy not charging?

How do I fix joy not charging?
If the Joy-Con are not charging, try the following:

Ensure that the console is powered on or in Sleep Mode.
If available, use another Nintendo Switch AC adapter.
If available, try charging the Joy-Con using the Charging Grip.

If the Joy-Con are not charging, try the following:
  1. Ensure that the console is powered on or in Sleep Mode.
  2. If available, use another Nintendo Switch AC adapter.
  3. If available, try charging the Joy-Con using the Charging Grip.