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Thread: issues with dual boot after windows 8

  1. #21
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 16.04 Xenial Xerus

    Re: issues with dual boot after windows 8

    It is why I wanted to see BootInfo or run of bootscript. That will tell what is where and documents systems.

    This will quickly tell if drive is MBR(msdos) or gpt(GUID).

    sudo parted /dev/sdb unit s print

    I am using gpt but not UEFI, so one of my gpt looks like this:

    fred@fred-Precise:~$ sudo parted /dev/sdb unit s print
    [sudo] password for fred: 
    Model: ATA MAXTOR STM316081 (scsi)
    Disk /dev/sdb: 312581808s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt
    Number  Start      End         Size        File system     Name      Flags
     1      34s        16064s      16031s
     2      16065s     51215219s   51199155s   ext4            MAVERICK
     3      51215220s  57352049s   6136830s    linux-swap(v1)
     4      57352050s  312576704s  255224655s  ext4
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  2. #22
    Join Date
    Oct 2012

    Re: issues with dual boot after windows 8

    all good. my problem was i was trying to make my partitions in the ubuntu installer. what i had to do was

    -go into windows and using WDM shring my main drive by 80 Gb.
    -put in ubuntu CD and choose "try linux"
    -press super key or "windows button" and type "gparted"
    -open gparted and make 3 ext4 partitions (the "unallocated space) automatally shows up as "extended"
    ...-ext4 partiitons
    ......-one 15gb labled "/"
    ......-one 4 gb labled "swap"
    ......-the remainder labled "/home"
    -they went in the order of: /home, / , swap
    -closed gparted
    -clicked desktop item "install ubuntu 12.04
    -chose install ubuntu
    -chose "do soething else" "3rd option"
    -format the 4gb swap drive as the swap.
    -format the 15gb / drive as ext 4, /
    -format the rest as ext 4 /home

    in the bottom drop down choose "install on sda" (should be default)

    hit install.


    docs attached
    Attached Images Attached Images
    Last edited by rochford77; October 12th, 2012 at 09:00 PM.

  3. #23
    Join Date
    Apr 2008
    Australian in Germany
    Ubuntu 10.10 Maverick Meerkat

    Re: issues with dual boot after windows 8

    Well done!

  4. #24
    Join Date
    Apr 2009

    Re: issues with dual boot after windows 8

    just a pointer:

    if you ever delete your windows boot partition (the 100mb) you will lose your extended partitions

    the best bet is to reinstall windows and specify a certain size, like 200gb or so for your windows partition, leaving the rest of the space unformatted

    later, when you want to install linux you can format the remaining space as primary partitions; then when you decide to delete windows, someday, you will not lose your other partitions as well

    this happened to me personally, no bs ;]

    i gave up on windows 7 (and 8, 9, 10, etc.), though I do run xp for now, till I can get a grip on wine goblin

    anybody else have problems with deleting windows boot partition?

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