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Thread: WinOS + openSuse dual boot system...plan to reinstallWinOS. How to get openSuse back w/out reinstall

  1. #1

    Default WinOS + openSuse dual boot system...plan to reinstallWinOS. How to get openSuse back w/out reinstall

    I've recently done a fresh install of openSuse 42.3 on a laptop that has Win8 on a NTFS partition. I'm having problems with the Win8 and would like to reinstall Win8 on the original partition. However, I know that this will overwrite the linux bootloader. What is the best way to reconfigure the Linux bootloader after doing this?

  2. #2
    Join Date
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    Location
    Kamloops, BC, Canada
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    Default Re: WinOS + openSuse dual boot system...plan to reinstallWinOS. How to get openSuse back w/out reins

    Quote Originally Posted by portsample View Post
    I've recently done a fresh install of openSuse 42.3 on a laptop that has Win8 on a NTFS partition. I'm having problems with the Win8 and would like to reinstall Win8 on the original partition. However, I know that this will overwrite the linux bootloader. What is the best way to reconfigure the Linux bootloader after doing this?
    Make sure the bootloader is installed in the root partition instead of the MBR. If not, move it.

    If you need more help with that, first post the results of
    Code:
    fdisk -l
    and
    Code:
    parted -l
    and tell us where your bootloader is currently installed, as well as which of the partitions in the above output is your root (/) partition.

    Make sure you post your output between CODE tags: You get those in this message editing window by clicking on the "#" icon above this message window, middle row, 3rd from the right.

    After installing W8, come back for instructions how to restore the bootloader.
    "Take a Walk on a Sunny Day, Greet everyone along the way, and Make Somebody Smile, Today"
    Gerry Jack Macks"Walk On A Sunny Day" GerryJackMacks.net

  3. #3

    Default Re: WinOS + openSuse dual boot system...plan to reinstallWinOS. How to get openSuse back w/out reins

    Code:
    # fdisk -l
    Disk /dev/sda: 232.9 GiB, 250059350016 bytes, 488397168 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0x19b1acd9
    
    Device     Boot     Start       End   Sectors   Size Id Type
    /dev/sda1            2048    718847    716800   350M  7 HPFS/NTFS/exFAT
    /dev/sda2          718848 181901807 181182960  86.4G  7 HPFS/NTFS/exFAT
    /dev/sda3  *    181903360 488396799 306493440 146.2G  f W95 Ext'd (LBA)
    /dev/sda5       181905408 186097663   4192256     2G 82 Linux swap / Solaris
    /dev/sda6       186099712 238548991  52449280    25G 83 Linux
    /dev/sda7       238551040 406319103 167768064    80G 83 Linux
    
    
    # parted -l
    Model: ATA Samsung SSD 850 (scsi)
    Disk /dev/sda: 250GB
    Sector size (logical/physical): 512B/512B
    Partition Table: msdos
    Disk Flags: 
    
    Number  Start   End     Size    Type      File system     Flags
     1      1049kB  368MB   367MB   primary   ntfs            type=07
     2      368MB   93.1GB  92.8GB  primary   ntfs            type=07
     3      93.1GB  250GB   157GB   extended                  boot, lba, type=0f
     5      93.1GB  95.3GB  2146MB  logical   linux-swap(v1)  type=82
     6      95.3GB  122GB   26.9GB  logical   ext4            type=83
     7      122GB   208GB   85.9GB  logical   ext4            type=83
    ...thanks.

  4. #4
    Join Date
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    Default Re: WinOS + openSuse dual boot system...plan to reinstallWinOS. How to get openSuse back w/out reins

    Okay, is this before you have done the W8 install?

    Also, you did not tell me which is the openSUSE root (/) partition. I am guessing -- only guessing, mind you -- that it is sda6, a Logical partition in an Extended partition.

    I see the boot flag is set on the Extended partition, so I presume you have not done the W8 install yet, because that would have moved the boot flag to the W8 partition.

    First thing you should do is go into Yast=>Boot Loader and make sure under Boot Loader Location to put a checkmark in Boot from Root Partition and in Boot from Extended Partition.

    Click on Okay and close out.

    After that, install W8, making sure it installs to the proper locations (but it probably will automatically).

    After that, most likely the only thing you will have to do is move the boot flag back to the Extended partition again. So, when you get to that stage, if you are uncertain how to do that, come back and I (or someone else watching here) will tell you how to do that.
    "Take a Walk on a Sunny Day, Greet everyone along the way, and Make Somebody Smile, Today"
    Gerry Jack Macks"Walk On A Sunny Day" GerryJackMacks.net

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