Touchpad suddenly does not work

I have a Compaq Presario CQ56-202 and suddenly while making a comment in a thread on FB one (very briefly) saw a flash symbol... something with a red on X. It is so short that I didn't have a chance to really see what it was. Have never seen him before. Then I noticed a small red light on the touchpad, and now the touchpad does not work. The mouse works fine.

Someone at - he a clue as to what happened? What can I do to get it working again?

Number 1 in this photo shows the area of tap to toggle the touchpad on some models. Have you this?

http://support.HP.com/us-en/document/c01983909

Tags: Notebooks

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