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Dell Latitude 14 Rugged — 5414 Series Owner's Manual

Turning the keyboard backlight on/off or adjusting brightness

To turn the backlight on/off or adjust the backlight brightness settings:
  1. To initialize the keyboard backlight switch, press Fn+F10 (the Fn key is not needed if function key Fn lock is enabled).
  2. The first use of the preceding key combination turns on the backlight to its lowest setting.
  3. Repeated pressing of the key combinations cycles the brightness settings through 25 percent, 50 percent, 75 percent and 100 percent.
  4. Cycle through the key combination to either adjust the brightness or turn off the keyboard backlight.
Figure displaying the brightness gauge.

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