http://ubuntuforums.org – I am having a hard time trying to install Ubuntu 12.04 LTS onto my desktop PC (Compaq Presario 061 with BIOS Phoenix Technologies, LTD 3.14, 1/17/2006), which currently runs Win 7. I have backed up everything on the PC nto an external hard drive just in case things go wrong. Here is what I have done so far: 1) On a macbook pro I used the "disk utility" program to mount the ubuntu iso im (Hardware)