If your keyboard keys stop working, it doesn't necessarily mean they're broken or need replacement. From checking keyboard ...

Repeat delay: Controls the time delay before a keystroke repeats when held down. Repeat rate: Determines the speed of repeated keystrokes. Press the Windows key, type Device Manager, and hit Enter.

Driver update in Input Devices. Operating system support: Windows 7 64-bit. Read all installation notes and known issues for important details before beginning software installation. Your Microsoft ...

If your keyboard is not working after the Windows 11 Update, use the following suggestions. Before proceeding, I suggest you connect your keyboard to another USB port and check. If the Windows Update ...