1. You understand, of course, that not all wireless USB stuff is created equal. Nobody can help you if you do not specify which device this is.
The best way is from within linux:
Also - google is your freind. Wireless needs to be configured, we do not expect it to go out of the box.
2. Ubuntu chooses the highest screen resolution your card tells it that it supports. For safety, where there is any doubt, very high resolutions are not used. You can alter screen resolution in your xorg.conf
sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.original
sudo gedit /etc/X11/xorg.conf
add the desired screen resolution at the beginning of the Modes line in the screen section. Restart X.
3. You need to enable the exact touchpad. What kind is it?
Note: to scroll a synaptics touchpad, you run your fingernail up and down the right hand edge. If you point the mouse at a scrollbar, the scroll function should work.
thanx Nylex for your post on how to install Ubuntu it worked
If you are going to refer to something really helpful to you: link to it. Think oy all the newbies searching for ubuntu install help, reading this, and cursing: "where is that @#$! post?"