I played a little with the shutdown command typing:

sudo shutdown +20

and then:

sudo shutdown -c

I then manually hibernate my pc because I had to go out. Now I'm back and I found that I could no longer turn on the pc because once Linux is started, I can see the desktop for 1 second, and then my pc shutdown.

How can I solve this?

  • When you turn the PC back on, does it boot normally or does it un-hibernate? (I have never used hibernation in Linux so am not sure exactly how you'd tell, but I assume it's pretty obvious.) Does it keep turning off on subsequent attempts? (I assume it does, but best to be sure.) – a CVn May 15 '13 at 7:36

you could try adding noacpi to kernel-/linux-line via grub on boot.

  1. Start PC
  2. Select First Entry in Grub
  3. Press e
  4. Append noacpi to kernel-/linux-line
  5. Press F10 if you have grub2 (for grub i don't know...maybe just press enter)

This way you should get back in your system and be able check out whats going wrong.

  • 1
    You could also try adding single to bring up the system in single-user mode. – Flup May 15 '13 at 7:36
  • 1
    Note that noacpi probably won't prevent the system shutdown sequence, but it will keep the computer from powering off. It might also be a good idea to remove quiet from the kernel command line, if that parameter is present: it'll give you a lot more information about what happens during the boot process. – a CVn May 15 '13 at 7:38

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