Trying to get Ubuntu 13.10 to work and it will not. Seen that somebody is having a similar problem, some things failing then it just hangs on a black screen (after pressing F1 to see what it's doing). My system is a Toshiba Satellite L75D-A7280, and I have tried two different files that I had downloaded from Ubuntu.com with no luck. My laptop came with Windows 8 and following the dual-boot directions Ubuntu 12.04 was installed and worked perfect, except for completely obliterating Windows 8 and voiding my warranty, meaning neither Toshiba nor the retail center I bought my system from can help me legally, besides giving advice... nor can I return it to get a non-UEFI based system. I really need to figure this out, I am a student and need my laptop working properly with any OS I put on it. Will continue searching for any information I can find.