I have a computer that I am trying to boot 12.04.3 (64 bit) from dvd. I can adjust boot settings ( I have tried nomodset,etc...) but when I try to run Live without installing I get a black screen with blinking cursor. Consequently, I have a live USB with 12.04.2 (32 bit) that I can boot from (although it takes almost 10 minutes to load). I don't think the problem is graphics card related since I can get computer to run on live usb disk. I have DVD-ROM plugged in on SATA3 A0. I have tried booting in both AHCI and IDE and I get same errors either way. The goal is to install ubuntu 12.04.3 AMD64 and dual boot other OS, but want to at least get live to work first to monkey around a bit before I install. All hardware is fairly new (purchased from new egg May 2013) and should be 64 bit compatible so I don't think that is the issue either. Please suggest additional options to try. I am out of ideas. The motherboard is ASUS Z77 Extreme 4 and boots to UEFI not bios upon selecting <del>
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