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My computer will not shut down. I press the shutdown button in the drop box and then it looks like its shutting down and the screen goes black but the computer itself does not stop working and the light does not turn off.

Here are the specs:

  • UBUNTU 10.04 (Lucid)

  • Kernel: Linux 2.6.32-23-generic

  • GNOME 2.30.2

  • Memory: 495.7 MiB

  • Processor: Intel(R) Pentium(R) 4 CPU 1.80GHz

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    first thought is that some process refuses to die or some volume refuses to unmount. another possibility is that there is some race condition in your shutdown. think - process A waits for process B to exit cleanly before dying. what happens if process B was dead before process A starts listening?
    – RobotHumans
    Nov 13, 2010 at 10:46
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    another possibility (more likely) is power management setting in the bios...play with them a bit. not enough info to be definitive. that's why these are comments not answers
    – RobotHumans
    Nov 13, 2010 at 10:54

2 Answers 2

Reset to default
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From the command line try the following command

sudo shutdown -h now

See whether the system shut-down normally. if not take a note of the messages and write them here.

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The solution for me was open Synaptic and install fglrx and xvba-va-driver for my ATI graphics card. I did a manual poweroff once more; now it's all working correctly. I hope this will help.

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