I've downloaded the Ubuntu 12.10 iso and followed the instructions on http://www.ubuntu.com/download/help/create-a-usb-stick-on-windows. After I tried the usb disk I got to the Ubuntu live menu, but after choosing run live ubuntu the systems freezes and restarts itself. I've tried this on a Lenovo T61p, an HP pavilion and an Acer Aspire One; all the same results.
Ubuntu – Bootable USB stick created for installation doesn’t work
isolive-usb
Best Answer
You should try unetbootin to make a bootable usb. It's nice and simple
Or from a terminal:
also available for windows