Hello,
According to the information you provided, here are some possible reasons:
- Considering that your keyboard was purchased too long ago. Is the keyboard malfunctioning?
- The keyboard is too old for Windows 11, so Win11 can't recognize this keyboard.
We recommend you refer to this link for troubleshooting this issue:
Best Regards,
Hania Lian
============================================
If the Answer is helpful, please click "Accept Answer" and upvote it.