Method 1

1. The first step is to enter the Win10 system and open "Lenovo Settings" from the start menu to turn on the backlit keyboard.

2. In the second step, click the "Keyboard" icon on the left in the pop-up interface.

3. In the third step, find the "On" button in "Keyboard Backlight" in the interface that appears, and set it to on.

Method 2

1. Keep pressing fn space, then you can turn on the backlight at this moment.

2. If there is a touch bar below, press sun, then you can turn on the backlight

3. If it is an ordinary type, press fn f10 to turn on the backlight. .

4. If you want to turn it off, press f10 to turn off the light.