Enable or disable fn (function) or action keys mode (HP ProBook 440 G4, 450 G4, 470 G4, HP EliteBook Folio G1, and HP Fortis series Notebooks PCs) Press the power button to turn off the computer. Turn on the computer and immediately press the esc key repeatedly to open the Startup Menu. ok so i thought thease keys were hot-keys maybe i am mistaken the keys that i wish to disable are the keys directly under the esc button for hotmail the cyberlink webcam internet printer and calculator hot-keys. it becomes very irritateing when i am doing other things and i attempt to push either esc tap caps lock or the shift button and thease things start to pop up. i need a way to disable 12-20-2019 05:21 AM. Product: pavilion x360 Convertible. Operating System: Microsoft Windows 10 (64-bit) Keyboard f6 (mute button) indicator light doesn't turn off, although mute and unmute just works fine. Only the keyboard mute indicator stays on even though it is in an unmuted state. To open HP Support Assistant, double-click the HP Support Assistant icon . Click My devices in the top menu, and then click Updates in the My PC. Click Check for updates and messages to scan for new updates. Review the list of updates. Updates with a yellow information icon are recommended. Updates with a blue information icon are optional. Step 1. Locate the Function (Fn) key on your keyboard. The most likely location for this key is at the left bottom side next to the Ctrl key. The letters "Fn" will probably be shaded a different color than the rest of the keyboard, a common color being blue. Video of the Day. Ctrl + Shift + Num. Fn + Num. Fn + F11. Num + F11. Fn + left Shift. Fn + Esc. If any of these combinations work on your laptop to unlock the function key, then you should be able to use them again to lock it. Usually, these combinations work on a toggle basis to switch from one state to another. To use this button, Press the Fn Key simultaneously with the dedicated lock key to disable or enable the fn key. Generally, the fn lock key is the Esc key that lets you enable or disable the functionality of the Fn Key. In some cases, the Fn lock key might be different too. Type Windows Mobility Center in Windows Search and click Open. Locate the Function Key Row section and expand the dropdown under it. Choose the Function key option from the dropdown to lock the key. To unlock, choose the Multimedia key option. This should allow you to use the function keys without pressing the Fn key. h0pt.