Here are the steps to help you figure out why your computer is not charging:

1. Check your power source: Make sure your computer is plugged into a working outlet and the power cord is securely connected to your device.
2. Check the power button: Make sure you press the power button for the appropriate time to turn on your device.
3. Check your power cord: Make sure the power cord is securely connected to both the device and the wall outlet.
4. Check the wall outlet: Check the outlet with another device to make sure it is working.
5. Check your surge protector: Make sure the surge protector is on and that it is not overloaded with other electronics.