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Troubleshooting Laptop Issues Part 1 Welcome to Cybrary IT's A+ course and this lesson examines common troubleshooting issues that are strictly laptop specific. Unlike with a computer monitor, laptop display have an inverter, so one of the key issues that occur is no display which may be the inverter, or low/flickering display which is not tied to the inverter. Other issues could also be dual session settings, power related issues – such as the AC/DC conversion, low batter or brightness settings. You'll learn how to configure and correct all of these and well as about toggling and what purpose the function keys serve.