1. Check the AC adapter to see if it is connected and working properly.
   
2. Check your laptop’s power settings and make sure the battery is set to charge.
   
3. Run an AC adapter test in the laptop’s BIOS menu.
   
4. If the above steps are unsuccessful, contact the appropriate technician for assistance.

If none of the above solutions resolve the issue, it may require additional technical services to identify and resolve the underlying problem.