Save your work and back up important files
Shut down the laptop completely
Unplug the charger and remove all external devices
If the battery is removable, remove it
Press and hold the power button for 15 to 30 seconds
Reconnect the battery if removed
Plug in the charger
Turn on the laptop
If you need a factory reset, open the recovery or reset options in system settings
Follow the on-screen reset prompts to erase and reinstall the system