How to fix synaptics pointing device?

our synaptics touchpad instantly stopped working about a pair of days in the past, with simply no particular reason
what can be the challenge.it was working effectively, now the totally disabled.i left for its components to lso are install it, but with its account it says it is being employed properly
but whenever i try it there isn’t a response using the touchpad even the ideal and quit click of it’s not necessarily working.

im using windows 7 starter

You likely have turned there are various touch pad in hardware.Some computers use a button or perhaps switch to change it off and also on.