This sounds obvious, but many budget laptops do not have backlit keyboards. If you don't see a light icon on your F-keys and the manufacturer's website doesn't list "Backlit Keyboard" in the specs, your model may simply lack this feature.
If your keyboard has a lock symbol on the Esc key, try pressing Fn+Esc to toggle the Fn lock. When locked, you can press brightness keys without holding Fn. how to turn brightness up on keyboard
Whether you are working late at night or just prefer the aesthetic of a backlit keyboard, being able to see your keys in low-light environments is essential. However, finding the right button to adjust the brightness isn't always straightforward. The location of the controls varies wildly depending on whether you are using a Windows PC, a Mac, or a specific brand of laptop. This sounds obvious, but many budget laptops do
Note: Repeatedly tapping the shortcut cycles through available brightness levels (e.g., Low, Medium, High, Off). When locked, you can press brightness keys without
Look at the key labels. If the sun icon is larger than the “F” number, the brightness control is primary.
Adjusting screen brightness directly from your keyboard is the fastest method—no clicking through menus. Here’s how to find and use the right keys.