I just installed Ubuntu Netbook Version 10.04 LTS on an Acer Aspire One and it works perfectly, but For some reason I'm not allowed to use the little scrollpad at the side of the trackpad to scroll like I would on Windows. I checked the settings and it appears to be enabled there, so do I need to install any extra drivers?
May be you are experiencing, this bug: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/549727
Try this open a terminal by pressing ctrl+alt+t then type:
Then if it works please create a file "/etc/modprobe.d/touchpad.conf" and put "options psmouse proto=imps" in it, so, type:
put the row:
into the file, save and close, then reboot to test if it works...