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Thread: ubuntu wont boot without the cd after install

  1. #1
    Join Date
    May 2013
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    6

    ubuntu wont boot without the cd after install

    I decided to give ubuntu a try and chose to replace windows with 13.04. After the install i removed the disk and restarted and it says there's no boot disk or that it's a defective disk. When i put the cd back in and restart it, it boots and starts ubuntu. I've checked the boot priority and installed boot-repair successfully, but it still won't but without the cd. The system is a gateway win8 desk top that's about 5 hours old and worked fine before the install. Any help would be very much appreciated. Thanx.
    Last edited by David593; May 23rd, 2013 at 08:16 PM. Reason: solved

  2. #2
    Join Date
    Jun 2008
    Location
    Ballard
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    2,353
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: ubuntu wont boot without the cd after install

    You are booting in the LiveCD. That is a full installation of Ubuntu but it lives on the CD. From within that LiveCD you can choose to install Ubuntu onto your HDD. After you have completed that, you will be able to boot directly to Ubuntu from your HDD without the CD.
    "We're all in this together, kid." --H. Tuttle (a.k.a. H. Buttle)
    "Maybe it's a layer 8 problem." --thatguruguy
    A High-Tech Blech!

  3. #3
    Join Date
    Feb 2012
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    399

    Re: ubuntu wont boot without the cd after install

    There may have been a failure during install.
    Is it worth installing again?

  4. #4
    Join Date
    May 2013
    Beans
    6

    Re: ubuntu wont boot without the cd after install

    Did an erase and reinstall. Still the same problem.

  5. #5
    Join Date
    Jun 2008
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    Ballard
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    2,353
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: ubuntu wont boot without the cd after install

    If you hold down shift (or esc depending) you will get to the grub boot menu. Does that happen? What do you see?
    "We're all in this together, kid." --H. Tuttle (a.k.a. H. Buttle)
    "Maybe it's a layer 8 problem." --thatguruguy
    A High-Tech Blech!

  6. #6
    Join Date
    May 2013
    Beans
    6

    Re: ubuntu wont boot without the cd after install

    It brings up a list of installation options... Try ubunti without installing, install, oem install, check disk.

  7. #7
    Join Date
    May 2013
    Beans
    6

    Re: ubuntu wont boot without the cd after install

    I typed: sudo fdisk -l in the terminal and got this -

    ubuntu@ubuntu:~$ sudo fdisk -l

    WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x9093115c

    Device Boot Start End Blocks Id System
    /dev/sda1 1 976773167 488386583+ ee GPT
    Partition 1 does not start on physical sector boundary.
    ubuntu@ubuntu:~$
    Last edited by David593; May 20th, 2013 at 10:20 PM.

  8. #8
    Join Date
    May 2013
    Beans
    6

    Re: ubuntu wont boot without the cd after install

    Ok I made a bootable thumb drive from a new download and installed it and fixed the grub and I can boot without the usb or cd now. But, I have to press F12 to get into the boot menu and choose between booting from the hdd or ubuntu

  9. #9
    Join Date
    Jun 2008
    Location
    Ballard
    Beans
    2,353
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: ubuntu wont boot without the cd after install

    Try running sudo update-grub from a terminal.
    "We're all in this together, kid." --H. Tuttle (a.k.a. H. Buttle)
    "Maybe it's a layer 8 problem." --thatguruguy
    A High-Tech Blech!

  10. #10
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: ubuntu wont boot without the cd after install

    Your f12 is a one time boot key.
    You should be able to go into UEFI/BIOS and change boot order to boot ubuntu first. So then it will be the default.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







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