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Thread: dual boot windows 7 and ubuntu 12.04 in asus x550cc

  1. #1
    Join Date
    Oct 2013
    Beans
    8

    dual boot windows 7 and ubuntu 12.04 in asus x550cc

    Hi guys,
    pls help me I am using ASUS X550cc which which has gpart hdd and uefi.
    first i tried to install windows 7 and then ubuntu 12.04.
    but while installing ubuntu 12.04 it did not showed windows 7.
    and after installing ubuntu my laptop directly starts booting from ubuntu without asking for windows 7.
    pls reply ASAP.

  2. #2
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: dual boot windows 7 and ubuntu 12.04 in asus x550cc

    Even if your system is UEFI, it has a BIOS/CSM/Legacy boot mode. If you installed Windows 7 from DVD without converting to flash and adding UEFI features, it will just install in BIOS mode.
    But when Windows installs in BIOS mode on a drive that was gpt, it incorrectly removes the gpt partitioning. It leaves the backup partition table. Then Linux sees MBR partitions and backup gpt and is not sure what you really have.

    If you know your are in BIOS mode.

    FixParts is the easiest way to remove the stray GPT data. GPT fdisk (gdisk or sgdisk) can do it, but the procedure's a bit more involved.
    http://www.rodsbooks.com/fixparts/

    If unsure best to see details.

    Post the link to the BootInfo report that this creates. Is part of Boot-Repair:
    https://help.ubuntu.com/community/Boot-Info
    Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:
    https://help.ubuntu.com/community/Boot-Repair
    You can repair many boot issues with this or 'Create BootInfo' report (Other Options) & post the link it creates, so we can see your exact configuration and diagnose advanced problems.
    LighterWeight (Lubuntu based) Boot-RepairCD
    http://sourceforge.net/projects/boot-repair-cd/files/
    Full Ubuntu 13.04 liveDVD or USB Flash drive Installer with Boot-Repair included (for newer computers)
    https://help.ubuntu.com/community/LinuxSecureRemix
    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.







  3. #3
    Join Date
    Oct 2013
    Beans
    8

    Re: dual boot windows 7 and ubuntu 12.04 in asus x550cc

    can u give precise information about how to dual booting from starting i want to format my hdd.(i want to dual boot windows 7 and ubuntu 12.04).
    here are my laptop config-
    model name =ASUS X550cc
    hdd gpt with uefi
    what softwares will be required for dual booting

  4. #4
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: dual boot windows 7 and ubuntu 12.04 in asus x550cc

    Do not know about Windows 7. Last Windows I installed was XP 7 years ago.

    Lots of links in the link in my signature. First two show screen shots of installing.
    Do you want BIOS or UEFI? Big difference on how you install.
    Boot-Repair can convert an Ubuntu install if in wrong mode.

    Product key now in UEFI/BIOS for Windows 8.
    http://reviews.cnet.com/8301-33642_7...-product-keys/
    http://answers.microsoft.com/en-us/w...2-b3f191b9370c

    Windows Recommended UEFI-Based Disk-Partition Configurations
    http://technet.microsoft.com/en-us/l...8WS.10%29.aspx
    Change the booting style of Windows Vista or 7 x86_64 versions from BIOS-MBR mode to UEFI-GPT mode without formatting or reinstalling
    http://technet.microsoft.com/en-us/l...=ws.10%29.aspx
    https://gitorious.org/tianocore_uefi...4_BIOS_to_UEFI
    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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