The Dell Latitude D620 is a business notebook computer that features dual-core technology, hard drive protection and enhanced security. The Latitude D620 also features a 13.27-inch widescreen display. Get the most of your notebook by adjusting the display to your liking. You can quickly adjust your Dell Latitude D620 display brightness with a few simple keystrokes.
Press and hold the "Fn" button on your keyboard. The "Fn" key is situated on the left side of the keyboard, between the "Windows" key and the "Ctrl" button.
Press the "Up" arrow while still holding down "Fn." Your display will brighten.
Press the "Down" arrow while still holding "Fn." The display will darken.
Release all buttons when the brightness is to your liking.