Wondering why the light on your F4 key is on? Here's a guide to help you understand what the light on your laptop means and ...

Add Yahoo as a preferred source to see more of our stories on Google. Press the F5, F9, or F11 key to turn your HP laptop keyboard light on or off. Some HP laptops need the Fn key pressed with the ...

The problem might be with your keyboard. To verify this, connect another keyboard and observe the results. If the problem disappears, it might mean your keyboard is faulty or that its Caps Lock key ...