From the desktop, it opens the Shut Down Windows window. Ctrl + F4 - Close the active document (in programs that allow you to have multiple documents open simultaneously) Shift + F10 - Open context menu of selected item. Also, here's a document which guides you through disabling or enabling the FN+Keys. To turn off the laptop, press the power button for 5 seconds, then press it again to turn it back on. Press the "F10" key over and over to open the BIOS Setup Utility. To get to the "System Configuration" tab, press the right arrow key. Select "Action Keys Mode" with the down arrow key and press Enter. Select "Disabled" and hit Step2:-Now turn on your computer and immediately press the f10 key repeatedly to open the BIOS setup dialogue box. Step3:- Now select the configuration section and reach the action keys mode using the arrow down key and press the "Enter" key to open the enable/disable dialogue box. Just double tap at the same place to enable the touchpad. Try the steps recommended below. 1.In the search box type mouse in the search field. 2.Select Mouse from the list of options. 3.Click the Device Settings tab. 4.From the Devices list, select Synaptics LuxPad V7.5, and then click Settings. 5.Double-click Tapping. To disable the function keys on your HP laptop, press the power button for 5 seconds to turn it off. Turn it on again and press the "F10" key multiple times to enter BIOS. Open the "System Configuration" menu and click "Action Keys Mode". Choose "Disabled" and press Enter. Follow the steps mentioned below. Long-press the power button for five seconds to switch off the HP laptop. Turn on the laptop and press F10 until the BIOS Utility Setup appears on the screen. Use the arrow keys to open the "System Configuration " menu and select "Action Key Mode ". Press Enter and click "Enabled ". Press the Increase Brightness button. If you have a MacBook, certain models allow you to turn on the backlighting by pressing the Increase brightness key, which looks like half of the sun with Using a keyboard only. Press Windows key, type touchpad, and press Enter. Or, press Windows key+I to open Settings and use Tab, arrow keys, and Enter to choose Devices, then Touchpad.; In the Touchpad settings window, press Tab until the Touchpad toggle switch is selected.; Press spacebar to change the toggle switch to the Off position.; How to disable the touchpad in Windows 7 and earlier Create an account on the HP Community to personalize your profile and ask a question. Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more. It has been a while since anyone has replied. Enable or disable fn (function) or action keys mode (HP ProBook 440 G5, 450 G5, 470 G5, and HP EliteBook 830 G5, 840 G5, 850 G5) Change the fn (function) key setting on certain HP ProBook and EliteBook business notebooks. Press fn and the left shift key at the same time to enable fn (function) mode. When the fn key light is on, you must press c1p3V9.