This depends on PC maker's utilities but you don't say what type of PC you have. Sometimes we confuse sticky keys with Keyboard issues and to clear our confusion, Online Keyboard Tester can be used. Though F1 through F12 have some default primary and secondary features, they are also capable of performing many other functions when used in combination with keys like Ctrl and Alt. This wikiHow teaches you how to toggle on the function keys on your keyboard. The problem it has is that the keyboard is not working, but the fn keys (like wifi and volume) do work just fine. These are the keys at the top of your keyboard labeled F1 through F12. Keyboard Function Keys: A function key is a key on a computer or on the computer keyboard which can be programmed so as to cause an operating system program to perform certain actions. Many a times, it is the function that stops the keys from working. The settigs will revert to their default when you restart the PC. On the 4 arrow keys the down arrow closes what ever window i have up, if i then press up it opens it up again. 1 Control panel, Windows mobility center - There may be an item called Function key row with a dropdown list. Keyboard Tester helps you take a test of the Keyboard on your laptop to find out if the keyboard works fine. What seems to happen is when going to type on the keyboard any specific keys i press do some random other function. PC and laptop keyboard comes with a set of Function Keys which cater to special functions. The function keys are arranged at the top of your keyboard numbered across from F1 to F12 and are commonly referred to as F keys or FN keys. It has happened every day since the update, happening several times when I have my laptop on. Hp Keyboard Function Keys on Laptop Hp Keyboard Typing Wrong Characters Hp Laptop Function Keys Not Working Hp Laptop Keyboard Layout Diagram Hp Pcs -keyboard Shortcuts, Hotkeys, and Special Keys Keyboard Mappings Using a Pc Keyboard on a Macintosh Laptop Shortcut Keys Windows 10 Hi, I am working on an HP Pavilion Sleekbook 15 running windows 8.1 64bit. For Dells & possibly others, go to. These Function Keys running from F1 through to F12 help you use shortcuts and special functions. You should find it set to Multimedia keys & can select Function keys instead.