I am a new user trying to install either Ubuntu 12.04 or 12.10. I tried both, and downloaded each ISO file from Ubuntu's website and burned it. I was trying to dual boot it with Windows 7.
When I start installing Ubuntu, it starts fine but then after an hour when it comes to a purple screen it shows errors, something like a Media error and then nothing happens from there. I haven't got any partition selection option but from a tutorial I found that I am supposed to get an option to select the partition at some point of time during the installation. It never comes.
I have to restart or shut down after that and then my Windows system boots up. When I try to install Ubuntu again, I have to do everything again and same thing happens.
It's a HP Pavillion DV5 with 2GB of RAM. How can I fix this so the installation succeeds?