Mouse/touchpad functionality disabled.. fine again on restart

[Sabniveesu Shashank]

Hi!

I have observed that deliberately pressing 'DEL' key repeatedly during
startup prevented touchpad functionality (no mouse pointer visible). It was
once again normal after a restart.

Now my questions are:
!) Is my 'cause and effect' analysis valid?
2) How does pressing 'Del' effect the startup?
2) How should I have enabled such settings (not just touchpad/mouse)
wihtout restarting (like 'modprobe' ??)

Thanking you

Regards
Shashank
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