Windows 10 added a feature to use a numeric keypad to control your mouse.
If this is on, the keypad won’t work properly.

To fix the issue:

  1. Open the ‘Ease of Access’ settings by pressing the Windows logo key + U on the keyboard.
  2. On the ‘Ease of Access’ settings screen, scroll down and select ‘Mouse’ in the left-hand column.
  3. On the right side of screen, click the On/Off toggle switch under ‘Control your mouse with a keypad’ to turn it off.

This issue applies to either the USB or Bluetooth keypad.

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