How to do when you find defective backlight after installing our keyboard ?
2021-08-20

Check to see if the keyboard backlight works after each step.

1. Check whether the keyboard has a backlight

2. Configure Lenovo Vantage

3. Check whether keyboard backlight can be turned on under BIOS or Safe Mode

4. Perform a power drain

Windows 10

Step One - Check whether the keyboard has a backlight

If there is a backlight icon on Esc or Space keys, then the keyboard is equipped with backlight hardware.

Backlight button

Backlight

Escape button

Step Two - Configure Lenovo Vantage

Search for Lenovo Vantage.
Select Device, Input & accessories, and set the option under Keyboard backlight.

Step Three - Check whether keyboard backlight can be turned on under BIOS or Safe Mode

Enter ideapad BIOS, ThinkPad BIOS, or Safe Mode.
Press Fn + Space or Esc to check if the backlight works.
- If this works, go to Lenovo support website to update BIOS to the latest.
- If this does not work under BIOS or Safe Mode, backup important data and perform System restore from previous restore point.

Step Four - Perform a Power Drain

For systems with a detachable battery, try the following steps:

For systems with a built-in battery, try the following steps:

If the keyboard backlight can still not be turned on after trying the previous steps, please contact us.

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