Why is my laptop’s display flickering?

Restart Your Computer:
Turn off your laptop and turn it on again to restart it.
Check Your Adapter Cord and Power Outlet:
Ensure that the adapter cord is properly plugged in and the power outlet is providing a steady supply of power.
Check the Screen Resolution:
Make sure the screen is set to the recommended resolution.
Update the Video drivers:
Download the latest drivers compatible with your laptop.
Check for External Devices:
Check to make sure that all external devices connected to your laptop are not interfering with its display.