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Thread: Installing dual boot Precise (12.04) alongside Windows 7

  1. #11
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Quote Originally Posted by kjaspan View Post
    Thanks wilee-nilee. The auto install does the partitioning automatically. I have used the "somthing else" custom install several times in an effort to get Xubuntu to boot and also to size my own / and /home and make swap 4x RAM size. I don't care. I can (and have) use Gparted to reformat all the space not allocated to NTFS and let the installation do its thing. I am still worried I won't be able to access one or the other OS.

    I will do this in the morning (EDT, US) and report on the results.

    Kevin
    If you have a windows recovery or install disc you could reload the windows boot to be safe, boot the disc to the terminal and run,
    Code:
    bootrec.exe /fixmbr
    Here is link on getting to that windows terminal.
    http://www.sevenforums.com/tutorials/20864-mbr-restore-windows-7-master-boot-record.html

    If you do not have a recovery or install disc make one asap, in the backup recovery of the admin account in windows, the recovery that is.

    We always say have a good backup as well, a clone is a really good thing to have of the windows install.





  2. #12
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    If you want to use separate /home partition and a swap partition of specific size, I see no reason to use the auto method. In fact, the manual install will always give you more control.

    So, just do another manual install (Something Else). But this time, if it doesn't boot by any chance, don't reinstall again, it will rarely help if a new clean install is not working. Instead, be patient and investigate why it doesn't boot.

    Also, when making new installs you should be aware and use the same partition(s). Last time it seems you didn't so you ended up with two installs which are just keeping the space.

    As wilee says, delete all current partitions, and do a new fresh one with all the partitions you want (/, /home, swap of 4GB, etc). Put the bootloader on the MBR (/dev/sda), not on a partition.

    You can delete the current partition either from live mode, or while doing the manual install, it will works that way too. You have the Delete button when it shows you the partitions list, you can delete all that you want, and create the new ones you want. That should be it.
    Darko.
    -----------------------------------------------------------------------
    Ubuntu 12.04 LTS 64bit & Windows 7 Ultimate 64bit

  3. #13
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Thank you wilee, gracias Darko.

    I ran the default (automatic) installation after deleting all ext4 partitions (also removed the EasyBSD reference to Ubuntu), but the installation failed with:

    "The 'grub-efi' package failed to install into /target/. Without the GRUB boot loader, the installed system will not boot".

    I will redo the installation as Darko suggested, with "Something else, etc.".

  4. #14
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Strange, why does it want to install grub-efi instead of grub-pc? grub-efi would be used with EFI boot which you don't seem to be using. But something is confusing the installer.

    Make sure you have EFI boot disabled in your BIOS, if there is such option. The installer seems to be thinking you are using EFI boot instead of the older type standard BIOS boot, but all other things point towards the BIOS boot. So, I have no idea right now why would it try to install grub-efi.
    Darko.
    -----------------------------------------------------------------------
    Ubuntu 12.04 LTS 64bit & Windows 7 Ultimate 64bit

  5. #15
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    Arrow Re: Installing dual boot Precise (12.04) alongside Windows 7

    Hello
    the BootInfo you attached is incomplete (eg we cannot see if BIOS is in EFI mode or not).

    Please indicate your BootInfo URL: http://ubuntuforums.org/showpost.php...67&postcount=1

  6. #16
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Quote Originally Posted by kjaspan View Post
    "The 'grub-efi' package failed to install
    Dear Kjaspan,

    Could it be that your new rig uses the new (U)EFI-GTP boot secuence for Win7x64 istead of the old BIOS-MBR way? (Do you see a separate boot partition?)

    Furthermore could your 12.04 install have blunbtly overwritter the first sector on your disk (where the MBR used to be), scrambling the GUID Partition Table (GPT) disk in the process?

    I read that EasyBSD is not compatible with EFI, which might have mixed up things even more.

    I also ran into trouble trying to create a dual boot and haven't solved it yet. (see here).
    To fail to prepare is to prepare to fail.

  7. #17
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    If you have the new UEFI type BIOS then you should with both Windows or Ubuntu get two choices from the install CD/DVD. One would be legacy/BIOS/MBR and the other UEFI/efi.

    You have to choose the same for both Windows & Ubuntu. Windows will only boot from gpt partitioned drives with UEFI, but Windows normally still is installed in old BIOS/MBR mode. So then you need to install Ubuntu in BIOS/MBR mode.

    Two things tell if UEFI. One is drive will be partitioned with gpt(GUID) not MBR(msdos). The other is the first partition should be the efi partition.

    Only if drive does not have Windows (Linux only) can you create a gpt partition scheme and boot with BIOS but then you also need an extra 1MB bios_grub partition.
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  8. #18
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Jeepers guys, such a lot of info. Thanks for all your responses.

    Merci Yannbuntu, please see URL http://paste.ubuntu.com/1040902/ for the results of my boot info.

    Oldfred, Gparted is showing /dev/sda1 as ntfs.

    Here is the output of fdisk -l

    Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x5dc3d822

    Device Boot Start End Blocks Id System
    /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
    /dev/sda2 206848 390831847 195312500 7 HPFS/NTFS/exFAT
    /dev/sda3 390832126 1953523711 781345793 5 Extended
    Partition 3 does not start on physical sector boundary.
    /dev/sda5 390832128 1937827839 773497856 83 Linux
    /dev/sda6 1937829888 1953523711 7846912 82 Linux swap / Solaris

    Disk /dev/mapper/cryptswap1: 8035 MB, 8035237888 bytes
    255 heads, 63 sectors/track, 976 cylinders, total 15693824 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: 0xf1760f35

    Disk /dev/mapper/cryptswap1 doesn't contain a valid partition table

    So, I will perform a "Something else" install,as Darko suggested, but do you mean I should put /boot in /dev/sda?

  9. #19
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Darko,

    I understand what you meant. At the bottom of the partitioning window, it says "Device for boot loader installation:" I'm leaving it as /dev/sda.

    I specified partitions for /, /home, /usr, /tmp, /opt, /srv, /var, /usr/local but not /boot

    Installation has completed. I will reboot and report the outcome in the next message. Hold thumbs!

  10. #20
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    Re: Installing dual boot Precise (12.04) alongside Windows 7

    Nope. The installation may have been successful but it does not give me the choice of OSs to boot. It automatically boots Windows.

    Here is the output of fdisk -l
    Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x5dc3d822

    Device Boot Start End Blocks Id System
    /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
    /dev/sda2 206848 390831847 195312500 7 HPFS/NTFS/exFAT
    /dev/sda3 390832126 1626707967 617937921 5 Extended
    Partition 3 does not start on physical sector boundary.
    /dev/sda5 390832128 454830079 31998976 82 Linux swap / Solaris
    /dev/sda6 454832128 650141695 97654784 83 Linux
    /dev/sda7 650143744 1040766975 195311616 83 Linux
    /dev/sda8 1040769024 1138423807 48827392 83 Linux
    /dev/sda9 1138425856 1236080639 48827392 83 Linux
    /dev/sda10 1236082688 1333737471 48827392 83 Linux
    /dev/sda11 1333739520 1431394303 48827392 83 Linux
    /dev/sda12 1431396352 1529051135 48827392 83 Linux
    /dev/sda13 1529053184 1626707967 48827392 83 Linux

    Here is the output of Bootinfo at this stage:
    http://paste.ubuntu.com/1041074/
    So should I run boot-repair?

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