Touch pad scroll problem

[us6114898ja]

salaam itd members hope so ap sb thik hon gy.
mere pas core i5 acer ka laptop hai jis ka model hai acer aspire e1-571
is ma default window 8 i thi abi mere pas window 10 hai.. mera problem ye hai k mera touch pad ka mouse ka scroll ni chl rha phly bilkul thik chl rha tha achanak se pta ni kiya hoa hai elan pointing device open krta hn tu jo option scroll wla tha ab wo nazar hi ni ata screen shot ma ap dekh skty hain k multifinger k tab ma scroll wala option nazar a rha but wo two finger scroll hai..phly one finger scrol b hota tha jo abi nazar ni a ra.. ma ny acer ki website se driver b download kiya hai purany driver ko uninstall kr k new driver b kiya hai but koi farq ni pra window 10 pr phly scrol chalta tha but pta ni kuch arsy bad isay kya hoa scrol chlta hi ni..