Are there any lights present on the charger, keyboard or laptop case?
If you cannot turn on the laptop , you can refer to the solution below based on the situation you encounter
Power light is the judging point which indicates why you cannot turn on laptop.
Power light is OFF, please refer to solution #2
"Power light is ON" means power cord and adapter is normally working but device fails to boot due to disfunction of other major components.
b. Please remove all portable external devices, such as USB, memory card, internet cable, HDMI, etc.
"Power light is OFF" means no power supplied by adapter or major components might be abnormally working and fails to boot
a. Please check whether connector of adapter is loose or not .
or you can try at different outlets.
b. Please check whether there is any damage on adapter cable, if there is, try with another new adapter.
c. Please refer to step c. in solution #1 to do the troubleshooting.
Holding the power button for 60 seconds with the power adapter disconnected is best solution. if that fails then try connecting a known good power adpter for 15 minutes hen try the power button for 60 seconds while adapter is connected.
If that fails try connecting to an external display with hdmi.