Troubleshooting a Fix Laptop Monitor Issues monitor usually starts with recognizing if the issue is caused by software, hardware, or external reasons. Professionals from Devicesfixes provide helpful tips on dealing with a wide range of monitor issues such as screen flickering, screen showing black, screen lines, brightness issues, and others. The most popular ways of troubleshooting include updates of the graphics driver, testing external monitors, examining the power settings, and more. Taking prompt actions will help ensure the proper functioning of the monitor and increase its life expectancy.