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 light key to activate the keyboard light. If these keys don't work, check ...
Every 10 minutes or so my keyboard lights flash as if the machine were booting and then my num lock turns off (I like to keep it on). Any ideas as to what is causing this and how to fix it?