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Thread: UNetBootIn Alternate CD Install Error: "Cannot find CD"

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  1. #1
    Join Date
    Sep 2008
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    UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Howdy folks, as the title says, I've got a problem.

    I tried to install Ubuntu Studio 8.04 using the UNetBootIN method, and when I get to the install process, it tells me that it could not find the CD. I think: well, duh... because it's USB.

    I also tried the unetbootin method with UbuStu 8.10, no dice. Went on to try normal Ubuntu alt, (8.04 and 8.10) neither worked. As a control, I tested the Ubuntu livecd installer, worked like a charm. So, am I doing something wrong in setting the ISO within unetbootin and going from there, or are there some magical options that I have yet to discover that will make this work?

    Any help?

  2. #2
    Join Date
    Jul 2005
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    978
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    Ubuntu 12.04 Precise Pangolin

    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Not all computers are capable of booting from usb. When your pc boots up is there an option to press a key to bring up a boot menu? If so, insert the usb stick before switching on, boot up and bring up the boot menu. If the usb key shows up on the menu you're in business, if not your hardware probably doesn't support usb booting

  3. #3
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    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Sorry, I was unclear. My computer supports booting from usb. I installed Intrepid using the unetbootin live usb installer.

    Just the Alternate ISOs don't want to work with Unetbootin, I get a "cannot find CD" error.

    Am I doing something wrong?

  4. #4
    Join Date
    Jul 2005
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    Ubuntu 12.04 Precise Pangolin

    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Quote Originally Posted by thelastfarmkid View Post
    Sorry, I was unclear. My computer supports booting from usb. I installed Intrepid using the unetbootin live usb installer.

    Just the Alternate ISOs don't want to work with Unetbootin, I get a "cannot find CD" error.

    Am I doing something wrong?
    can't see a reason why it wouldn't work with the alternative cd. I know unetbootin failed on me last week when trying to put the dektop iso of intrepid on a usb stick. I used dd to zero out the partition table on the usb stick, repartitioned it, and then and tried again. Then it worked fine. Worth a try.

  5. #5
    Join Date
    Feb 2006
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    5

    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    I have the same problem. Installing Kubuntu 8.10 from UNetBootIn, selecting 8.10_x86_Live from the dropdown. Setup gets just past setting up the keyboard and network interface then bails as it can't find the CD. Standard install ISO has no such problem, but unfortunately I need to set up encrypted LVM.

    Any wany to force it forward or mount it manually from the busybox console in a way that the install script can find?

  6. #6
    Join Date
    Sep 2008
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    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    I think I zero'd it out, not sure. I used the HP format tool. How can I be sure?

    Maybe could somebody try to duplicate the error on purpose so I'm sure it's not just me?

    I'm open to all ideas.

  7. #7
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Quote Originally Posted by thelastfarmkid View Post
    I think I zero'd it out, not sure. I used the HP format tool. How can I be sure?

    Maybe could somebody try to duplicate the error on purpose so I'm sure it's not just me?

    I'm open to all ideas.

    To zero out the partition table you just need to know what your usb stick is called (e.g. /dev/sdb,sdc.....). You can find this by doing sudo fdisk -l. Once you know what it is make sure it's unmounted. Then, if, for example, it was /dev/sdb, you would do the following:

    sudo dd if=/dev/zero of=/dev/sdb bs=512 count=1

    Takes about a second. Pull out the stick and then reinsert it and partition it with gparted.

    Warning: if you get the device number wrong you could cause serious damage to your system, so make sure you are certain off the details first.

  8. #8
    Join Date
    Mar 2009
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    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Quote Originally Posted by thelastfarmkid View Post
    Sorry, I was unclear. My computer supports booting from usb. I installed Intrepid using the unetbootin live usb installer.

    Just the Alternate ISOs don't want to work with Unetbootin, I get a "cannot find CD" error.

    Am I doing something wrong?
    No, you are not doing something wrong. I have found exactly the same problem, and so has some other people:
    I managed to fix the problem by downloading the network install (mini.iso) from:
    I used the 8.04 LTS Server Amd64 iso:

    and am now past the cdrom not found problem. (use the mini.iso as the ISO image for unetbootin)

    Hope this helps you and other people that have been googling for days on the problem.

    Paul Tan.
    Last edited by paulctan; March 13th, 2009 at 05:43 PM.

  9. #9
    Join Date
    Nov 2006
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    Hidden!

    Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    there are some interesting workarounds in that bug report, thanks for sharing. loop mounting the .iso to /cdrom is one i wish i'd thought of.
    :doh:
    my music
    myspace page
    Version: 3.12, GMU d? s:- a- C++ UL P L++ E--- W++ N+ o- K- w-- O- M V-- PS+++ PE Y PGP-- t+ 5 X- R+ tv- b DI- D++ G e h- r++ y+++

  10. #10
    Join Date
    Aug 2008
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    Question Re: UNetBootIn Alternate CD Install Error: "Cannot find CD"

    Hi guys

    I am pretty new with ubuntu i have one old laptop HP pavilion PIII 850mhz 256 ram 18GB hd, this laptop dosent have the option of USB boot and dose not have a cd drive either... what i did was downloading unetbootin and installing the hole thing on my c: drive i restart my system and i had the option to boot XP on UNet so i choose unet, it booted up as a live cd normally i did 2 partitions one ext4 4gb and one swap 2 gb, and i start the installation process i give a user name and pass i click forward and i get the no cd found message any help??

    thank you

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