This could be something as simple as the connector between the keyboard and motherboard having become loose. Numbers Not Working: Numbers on your Keyboard creating trouble Tap on them at the Online Keyboard Tester to see if it is really responding or not. If you’re certain you’ve been pressing the correct button and your BIOS isn’t booting, then your laptop keyboard likely has a hardware issue. If your laptop boots to Windows, then you’re either pressing the wrong button or indeed your keyboard isn’t working on a hardware level. This varies between different laptop brands, but it’s usually the Delete, F2, F8 or F12 key. To isolate the problem, as your laptop is booting up, repeatedly press the button that takes you to the BIOS screen.
Is it a hardware issue (more serious) or a software one?
release full of fixes for bugs and issues triggered by the new release. The first thing you need to do is hone in on exactly what the problem with the keyboard is. Windows 10 21H2 is a very minor update, and you may not want to be a beta tester. Remember: to reinstall a device, you just need to plug it in. In Device Manager again, click View, then “Show hidden devices.” Go down to keyboards, then right-click and uninstall everything called “HID Keyboard Device.” This is actually a bit of a catch-all term, as various other external devices – even mice – can be included here.
