I need to uninstall Ubuntu 12.04. When I installed it, I installed it alongside windows, and with a USB boot drive. I recently uninstalled windows completely because it was causing an issue. I wish to re install the same version of Ubuntu after this. I really want to do a total clean install. I don't need any files on here, I never saved anything important anyways. So how should I go about totally removing everything and starting fresh with Ubuntu 12.04? Thanks.
Boot through a live CD/USB, then Select "Install Ubuntu".
At this step:
Choose "Erase disk and install Ubuntu". Choose the same option if there are other options available.
This will install a Fresh new copy of Ubuntu on your computer.
Boot from the Ubuntu Live CD or USB, don't install it but use it in Live mode, look for an application called