Hi,
If you want to disable the touchpad,
https://support.hp.com/ph-en/document/ish_6735941-6736026-16
or
Access Device Manager > Mouse > select one of the HIDs to disable it, and see which one is the touchpad, testing one at a time.
While this is not a Microsoft website, it is the official site of [ProBook 460 16" G11/ HP].
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Thanks