Learnhow to lock or Unlock the Fn (Function) Key on an HP Notebook. Follow the steps in this video to learn how you can press the function keys (f1-f12) with or without pressing the fn Checkif there was any key like F Lock or F Mode key on your keyboard. If there is one key like that, press that key and then check if the Fn keys could work. How do you turn off the Fn lock on a 60? To disable FN Lock, press the FN key, and the Caps Lock key at the same time again. Level3 03-14-2019 06:37 AM Product: HP ENVY 17t Operating System: Microsoft Windows 10 (64-bit) I have a brand new HP ENVY 17T Windows 10 64-bit. I need help to "disable" the Fn keys 1-12. For exmaple, when I press F2. It defaults to "Lower display brightness" function for me to change. 0701-2019 12:28 PM. Product: HP Pavilion 590 p-00019. Operating System: Microsoft Windows 10 (64-bit) I got a keyboard (HP Lifestyle tpc-p001k) with the PC I bought yesterday, but I don't know how to disable fn lock. I want to press on f1 to f12 keys without having to press fn. Pressand hold the power button for at least five seconds to turn off the computer. Turn on the computer and immediately press the f10 key repeatedly to open the BIOS Setup Utility. Press the right or left arrow key to select the System Configuration menu. Pressand hold the Power button for at least five seconds to turn off the computer. Turn on the computer. Press the F10 key repeatedly to open the BIOS Setup Utility. Press the right Arrow key to select the System Configuration menu. Press the down Arrow key to select Action Keys Mode. Press Enter to display the Enabled/Disabled menu option. Press the up or down Arrow key to select one of the Todisable, or enable, the function key (fn) in the BIOS, do the following steps. Press the power button to turn on the computer. Press the f10 key to open the BIOS setup window. Press the right-arrow or left-arrow keys to navigate to the System Configuration option. Disablingor locking the Fn key changes dual-use keys into single-use. Nevertheless, the method to lock the Fn key via BIOS or UEFI settings requires your system to have advanced BIOS options. Here are detailed steps to turn off Fn lock by changing the BIOS or UEFI settings. Step 1: Turn off your PC and then Usealternate command keys The following table specifies the default key assignments for the alternate command keys. You can reassign many of them using Microsoft Mouse and Keyboard Center. Enabling FN Lock on the All in One Media Keyboard To enable FN Lock on the All in One Media Keyboard, press the FN key, and the Caps Lock key at the same time. Method#2: By Locking the Function Keys. If you want to disable the function keys on your HP laptop, you can quickly lock them using these simple steps. Locate the "fn lock" key on your keyboard, mostly on the "Shift" key. Press and hold the "fn" and the "fn lock" keys simultaneously to disable them. Alternatively, you can press 1DWC1.