Here are some steps to troubleshoot your laptop:

1. Check the power source. Is the laptop plugged in and getting power?
2. Check the power button; is it getting stuck or not working properly?
3. If the laptop has an LED indicator, check to see if its lit.
4. Check the battery. Is it charged or replaceable?
5. Test the laptop with an external monitor. Connect the laptop to an external monitor to confirm that the laptop is getting power and working.