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Thread: Dual booting partitions questions

  1. #11
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    Re: Dual booting partitions questions

    Quote Originally Posted by hariskar View Post
    So, sda has sda1 (windows), free space 314GB and sda2 ntfs. I should choose free space and create 2 logical partitions (swap and /)? I did this but then nothing booted...
    Thank you for replies!

    Edit: Now I do it again: In free space above I created e logical partitions sda5 for / ext4 287GB, sda6 ext4 for /home 20GB and sda7 for swap 6GB. I chose device for boot loader sda5. Let's see what happens..
    Flip the sizes around. Root(/) only needs to be 20GB, but your home partition where you'll store your personal files should be large.

  2. #12
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    Apr 2007
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    Re: Dual booting partitions questions

    Thank you! So this is why it did not boot, I left for boot loader the default sdb...

  3. #13
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    Ubuntu 12.04 Precise Pangolin

    Re: Dual booting partitions questions

    Quote Originally Posted by cybrsaylr View Post
    Have heard a few say this is a good way to go.
    How do you do it manually?
    Can It still be done by repartitioning if you already have 12.04 installed or do you have to do a fresh install?

    Right now I just have 2 partitions: 111GB for 12.04 and 8GB for swap.
    If the partition size is good for you, you can reuse existing partitions. After you select Something Else and the partition list shows, you will need to select them one by one and click the Change button below.
    In the windows that shows, you select to use as ext4 (or swap area for swap), the mount point, and tick the format box for the / partition if you want to delete an existing install.
    If you have an existing /home you usually don't tick the format box because you want to keep it.

    The bootloader device is a MBR of the disk where you want to, not a partition on the disk.

    It doesn't matter if there is already existing installation, just make sure you select the correct options.
    Darko.
    -----------------------------------------------------------------------
    Ubuntu 12.04 LTS 64bit & Windows 7 Ultimate 64bit

  4. #14
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    Re: Dual booting partitions questions

    Quote Originally Posted by hariskar View Post
    Thank you! So this is why it did not boot, I left for boot loader the default sdb...
    /dev/sdb will also work, but when you have multiple disks you have to tell bios to boot from the correct one. If you make /dev/sdb first option to boot from, it will work.

    The main thing is NOT to put it on a partition, as long as it's a disk, it's OK. Of course, it's your job to boot from the correct disk.
    Darko.
    -----------------------------------------------------------------------
    Ubuntu 12.04 LTS 64bit & Windows 7 Ultimate 64bit

  5. #15
    Join Date
    Apr 2007
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    18

    Re: Dual booting partitions questions

    OK, dual boot launched, it asked for login and pass, I gave it and it stops at a black command line screen that has my computer name
    hk@hkP5K-WM:~$
    I types startx and it says: FATAL: Error inserting nvidia_173 (...): No such device

    What can I do?

    Also can I change the order of boot manager options? I want to put windows 1st.
    Last edited by hariskar; October 12th, 2012 at 07:04 PM.

  6. #16
    Join Date
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    Re: Dual booting partitions questions

    Quote Originally Posted by hariskar View Post
    OK, dual boot launched, it asked for login and pass, I gave it and it stops at a black command line screen that has my computer name
    hk@hkP5K-WM:~$
    I types startx and it says: FATAL: Error inserting nvidia_173 (...): No such device

    What can I do?

    Also can I change the order of boot manager options? I want to put windows 1st.
    Now you are talking about video issues, that's a different ball game. Did you try the cd in live mode first to see if it works fine? Usually if live mode is working, the installed system should also work.

    You might need to boot once using the nomodeset parameter if you have nvidia. There are details how to do that here:
    http://ubuntuforums.org/showpost.php...97&postcount=1

    Note that you don't need to do everything it says there, because you have already done the installation. Focus just on the instructions how to boot first time with nomodeset.

    Get the ubuntu working first, making windows the default OS in the menu is not a problem and you will do it later.
    Darko.
    -----------------------------------------------------------------------
    Ubuntu 12.04 LTS 64bit & Windows 7 Ultimate 64bit

  7. #17
    Join Date
    Apr 2007
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    18

    Re: Dual booting partitions questions

    Thank you, I started a new thread about these problems: http://ubuntuforums.org/showthread.p...6#post12293146
    Last edited by hariskar; October 13th, 2012 at 08:03 AM.

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