My installation of Ubuntu 12.10 won't boot any more. I do not know what caused it to fail; the last time I used Ubuntu I installed Dropbox and the disk space ran a little low. After that I booted Windows, and ever since Ubuntu is stuck on the splash screen when booting. I have tried running boot repair, but that didn't help.
The results from boot repair is available here. I have tried removing the Dropbox folder as well to free up some space, but with the same result. It may be worth noting is that the splash screen's five dots isn't animating as they usually do during boot.