Turn off your HP Chromebook. Wait 10 seconds. Turn it back on. This usually wakes up the keyboard controller.
Have a different HP Chromebook model? The key layout is standard across all modern HP Chromebooks (including the HP x2, HP G8, G9, and G10 series), so this guide has you covered. Bookmark this page (using Ctrl + D on your HP Chromebook keyboard) for later! refresh button on chromebook hp
Open the app launcher (the circle in the bottom-left corner) and type "Diagnostics" . Open the Diagnostics app and test the keyboard. Press the Refresh key. If the screen lights up in the test, the button is physically fine—it’s a browser issue. Turn off your HP Chromebook