Look for an icon that resembles a keyboard light and press that button. Regardless of the brand, if your laptop has a keyboard backlighting feature, it should have a function key to enable or disable keyboard backlight.
Methods to Enable or Disable Keyboard Backlight Using the keyboard function key
Nowadays, most of the laptops come with a backlit keyboard, so if you own a fairly new laptop model, regardless of the price, it should have a backlight keyboard. A backlight keyboard is still a standard chiclet keyboard with lights underneath the keys, that’s it.
In laptops, almost all keyboards are chiclet membrane keyboards which are made for a smaller form factor than a traditional desktop keyboard. There isn’t much difference between a backlight keyboard and a standard keyboard.