How To Fix Screen Flickering. Start your PC in safe mode then right-click the Start button and select Device Manager. Connect your laptop to an external display such as a monitor or a television.
Check there isnt a loose connection on either the Source or Display end of the HDMI cable. Press CTRLSHIFTESC at the same time to open the Task Manager or You can also right-click the Start button then select Task Manager. Double-click on the downloaded executable exe file and follow the on-screen instructions to update your laptop BIOS.
Try changing HDMI channel inputs on your display there may be an issue with either the EDID or HDCP handshake.
Connect your laptop to an external display such as a monitor or a television. Select the Microsoft Store from the start menu. After your PC restarts. Screen flickering or artifacts are a manifestation of a defective graphics card.
