How to Turn on Keyboard Light Dell Windows 10 can be handled safely by first identifying the exact feature or application involved, then using its supported controls.
Steps
- Look for the keyboard-backlight symbol on the Dell keyboard; the exact key varies by model.
- Use the indicated function key, with Fn if required by the keyboard’s function-key mode, to cycle brightness/off states.
- If nothing happens, open the Dell/BIOS or supported Dell utility settings and confirm keyboard illumination is enabled when the model supports it.
- Connect AC power and test again if the system uses power-related illumination behavior.
- Check the Dell service manual for the exact model rather than assuming every Dell laptop has a backlit keyboard.
What to know
Keyboard lighting is a hardware feature. Windows cannot turn on a backlight that the installed keyboard assembly does not have, and the shortcut differs among Dell product lines.
Important cautions
If the light stopped working after firmware/utility changes, use Dell’s official support resources for that service tag/model. Windows 10 itself is outside ordinary support in 2026.
Verify the result
Check the Dell service manual for the exact model rather than assuming every Dell laptop has a backlit keyboard. Afterward, confirm the change with a normal test before removing an original file, old configuration, recovery option, or working account that could be needed to undo the change.
Additional guidance
Many Dell models cycle through off, low, and high brightness rather than offering a continuous slider. The backlight can also time out automatically after inactivity, with timeout behavior sometimes configurable in firmware or a Dell utility. If the symbol is present but illumination never works, check the model’s specifications before assuming the keyboard hardware has failed.
Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.