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system restart automatically ?

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2 Questions :


1. I wonder why the system would restart automatically after shutting down. Is it normal behaviour ?


2. How can I turn the screen off when I am not using the laptop or hibernate the system.


Thank you for your help for a newbie.


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Do you mean it keeps re-booting (will not totally shutdown), or starting up after doing a complete shutdown (the unit goes totally of then restarts on it's own later on)? If the system never shuts down properly, but just keeps rebooting, this is either an apm/acpi issue or hardware problem.


What laptop is this and how much ram in the system?


You can try changing the line in Grub from acpi=ht to acpi=no.

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