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  1. #1
    Join Date
    Oct 2010
    Posts
    18

    Boot menu don't show Windows 7 after Fedora 28 installation

    I was using Windows 7 and Ubuntu 17.10, but got curious and decided to try Fedora 28... Now I can't boot to Windows 7 anymore.

    Apparently the problem is that Windows 7 is in "legacy mode" and Fedora 28 installed itself in UEFI mode.

    fdisk -l shows:
    Code:
    isk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 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
    Disklabel type: dos  <====== LEGACY MODE <===================================================
    Disk identifier: 0x86f94380
    
    Device     Boot  Start       End   Sectors   Size Id Type
    /dev/sda1  *      2052    205199    203148  99.2M  7 HPFS/NTFS/exFAT
    /dev/sda2       206848 976771071 976564224 465.7G  7 HPFS/NTFS/exFAT
    
    Partition 1 does not start on physical sector boundary.
    
    
    Disk /dev/sdb: 29.8 GiB, 32017047552 bytes, 62533296 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: gpt  <====== UEFI MODE <=====================================================
    Disk identifier: 0CE60BDF-2E21-4586-8996-D03AA9AE2AA8
    
    Device       Start      End  Sectors  Size Type
    /dev/sdb1     2048   411647   409600  200M EFI System
    /dev/sdb2   411648  2508799  2097152    1G Linux filesystem
    /dev/sdb3  2508800 62531583 60022784 28.6G Linux LVM
    How can I Force Anaconda to install Fedora 28 in Legacy Mode?

  2. #2
    Join Date
    Oct 2014
    Location
    Texas, USA
    Posts
    61
    Linux (Fedora) Chrome 67.0.3396.87

    Re: Boot menu don't show Windows 7 after Fedora 28 installation

    Try setting the BIOS to legacy mode only.
    During the install that will be detected and the install will be done as legacy mode.

    I suspect that the bios is set to auto and Fedora will by default use UEFI unless the bios tells it to use legacy mode.

    You will need also to manually remove the partitions on /dev/sdb so Fedora properly alters the boot sector of /dev/sda for dual booting.

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