sorry for skipping the part enables two finger scrolling in your post.
after setting scrolling speed, two finger scroll is working.
thanks~
what i want is to enable my left, right button
(as i mentioned my touchpad has no physical buttons - like this model
http://www.emc.com.tw/twn/ts_sth.asp)
if it takes long time (i guess), is there another way to disable touchpad? (not by using physical button)