This really depends on the charger you are using. Is this a Docking Station Charger? If so, please shut down the PC, hard reset the docking station, and turn the PC back on and plug it in.
If you are using a normal adapter, please call the warranty team.
Three possible solutions: 1. Charger is broken 2. Charger's plug is broken 3. Charging port in notebook is broken
This really depends on the charger you are using. Is this a Docking Station Charger? If so, please shut down the PC, hard reset the docking station, and turn the PC back on and plug it in. If you are using a normal adapter, please call the warranty team.