[ubuntu] running ubuntu from cd

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http://ubuntuforums.org – I have tried to load version 12.04 from a CD. I'm getting text that I don't understand. What does the following mean that i need to try next? [0.032001] Kernal Panic-not syncing: IO-APIC +timer doesn't work! Boot with apic=debug and send a report. Then try booting with the 'noapic' option. [0.032001] [0.032001] Pid:1 comm: swapper/0 not tainted 3.5.0-23-generic #35" precise 1-Ubuntu [0.032001] Call time: [0.032001] [<c15cd72b>] panic + 0x81/0x189 [0.032001] [<c18ea290>] setup_IO_APIC + 0x592/0x5cb [0.032001] [<c18e66cc>] native_smp_prepare_cpus + 0x177/0x169 [0.032001] (Hardware)