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Thread: how to change file after install for first time with acpi=off command?

  1. #1
    Join Date
    Aug 2012
    Beans
    1

    how to change file after install for first time with acpi=off command?

    I just installed ubuntu for the first time on an unformated hard drive. It wouldn't work just selecting 'start or install ubuntu' so I used the acpi=off command. Now supposedly i need to change a file now. Which file do I change and how?

  2. #2
    Join Date
    Jan 2007
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: how to change file after install for first time with acpi=off command?

    You might make sure your system, once installed, is going to work properly if you boot without that option.

    At the Grub menu (hold down the SHIFT key during boot if it doesn't appear), highlight the top entry and press 'e' to edit the entry. Cursor to the 'linux' line if "acpi=off" appears there and use the backspace key to remove it. Then CTRL-x or F10 to boot.

    If it boots and runs properly, see if the command is set in the Grub 2 configuration file:
    Code:
    grep "acpi" /etc/default/grub
    If you find the setting in the line containing "GRUB_CMDLINE_LINUX_DEFAULT=" you will need to edit the file as root:
    Code:
    gksu gedit /etc/default/grub
    Remove "acpi=off", then save the file and run:
    Code:
    sudo update-grub
    Back to Xorg...

    Retired.

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