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So, as the title says, my computer won't shutdown, it just restarts. Here's a list of the things that I've tried:

  1. Use 2nd bios
  2. Boot from Ubuntu USB.
  3. Shutdown from Windows 7.
  4. Sleep in Windows 7. (Wakes immediately)
  5. Unplug all peripherals.
  6. Reinstall GRUB2

What is wrong?

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did you tried sudo poweroff command? –  Avinash Raj Feb 10 '14 at 3:02

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