In very specific scenarios, the physical keyboard attached to the laptop or desktop is not detected. This might happen due to the lack of a proper keyboard driver. With the below steps, we will be able to replace the missing/corrupted drivers with a new one manually. Do note that the steps in this article should only be performed when you have the exact issue with your devices.
1. Navigate to Device Manager and right-click on the keyboard and click on Update Driver Software.
2. Click on Browser my computer for driver software.
3. Click on Let me pick from a list of device drivers on my computer.
4. Navigate to the Driver package folder (x86 folder for 32-bit machines and x64 folder for 64bit machines) and select kbfiltr.inf and click on Open.
5. On the Update Driver Warning pop-up, click on Yes.
6. On the Windows Security pop up, click on Install this driver software anyway.
7. On the System Settings Change pop up, click on Yes. This will reboot your machine.