Laptop keyboard backlight stuck off

4.5

The keyboard illumination refuses to turn on.

Symptoms
  • No lights
  • Hotkey unresponsive
  • Dark keys
Possible Causes
  • Disconnected cable
  • Disabled in BIOS
  • Blown fuse

Step-by-Step Fix

1

Check Fn Key

Ensure you are using the correct Fn + Key combination to turn it on.

2

Check BIOS

Ensure the backlight feature is enabled in the BIOS menu.

3

Inspect Hardware

Verify the backlight ribbon cable is connected.

When to See a Technician

If the backlight won't turn on after a repair, the tiny backlight ribbon cable was likely forgotten.

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