How do you fix a Sony Xperia Z tablet that won't charge?

To fix a Sony Xperia Z tablet that won't charge, first, check the charging cable and adapter for any damage or try using a different one to rule out faulty accessories. Inspect the tablet's charging port for debris or damage and clean it gently with a soft brush or compressed air. If the tablet still doesn't charge, perform a soft reset by holding the power button for about 10 seconds. If these steps don't resolve the issue, it may require professional repair or battery replacement.