How to Turn Off or On and Troubleshoot the Backlit Keyboard on ... - Dell
https://www.dell.com/support/kbdoc/en-in/000132120/how-to-turn-off-or-on-and-troubleshoot-the-backlit-keyboard-on-your-dell-notebook-computer
WebInstructions. Depending on the model of your Dell computer and the features that are installed, it may or may not have a backlit keyboard. The easiest way to determine whether your computer is equipped with a backlit keyboard is to look at the F10, F6, or right arrow key (located in the lower right corner).
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