If you want to troubleshoot your HP laptop in a right way you have to follow the below instruction :
- Turn off your PC.
- Evacuate the power, hard drives, the battery and any connected fringe gadgets.
- Press and hold the power catch for 60 seconds and discharge.
- Put your battery in and plug the charger. At that point don’t plug whatever else.
- Boot your PC again to check whether it works now.
If you want to quick solution and due to less unavailability of time, you can connect with HP laptop support number 1-877-719-5266.