Before attempting to fix this problem, be sure to save any work that you have open and shut down your laptop properly.

1. Make sure your laptop is plugged in and that the charger is working properly.
2. Check for any updates to your laptop’s operating system.
3. Check and clean the vents on your laptop for any debris.
4. Run a system test on the hardware of your laptop.
5. If need be, you can try to re-calibrate the screen.