I downloaded Ubuntu 12.04 LTS onto my pendrive using the program recommended. After rebooting the system it showed this error:

[0.032000] kernel panic-not sycning: IO-APIC + timer doesn't work. try booting with
apic=debug and send a report. Then try booting with the 'noapic'option [0.032000]
  • What computer system do you use? – Manuel Nov 7 '13 at 6:38

When you first start Ubuntu you need to press the escape key and append "noapic nolapic acpi=off" to the boot options. Your computer is an older model apic isn't compatible with it. My dad's computer is the same way. If you ever get around to installing it on your harddrive you're going to have a doosy. You'll have to go into a liveCD, mount your harddrive as if you were actually using it and then edit your bootloader.

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