Entering a password using numpad keys causes login screen to keep flashing black screen

Anyone how to fix this problem...
When I need to enter password using numpad keys, the login screen would flash black so I can't input any numbers. Even the enter key on the numpad causes this issue.

The numpad works fine when not on the login screen,

MacOS = Big Sur and Monterey both have this problem. Even old MacOS has this problem.
Keyboard = MX5500

submitted by /u/madmax4k
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