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Thread: Problem grub dont start

  1. #11
    Join Date
    Oct 2012
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    Re: Problem grub dont start

    Quote Originally Posted by oldfred View Post
    Threads merged. You have two threads with same issue. Please only start new threads for unique issues. We are all volunteers here and not seeing what others post may confuse the issue.
    Sorry i get it now thanks for all the help

  2. #12
    Join Date
    Oct 2012
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    Re: Problem grub dont start

    Quote Originally Posted by YannBuntu View Post
    What is the URL returned by Boot-Repair?
    the url is the same as remember boot from sda1/efi/ubuntu/grubx64.eif ?

  3. #13
    Join Date
    Jan 2008
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    Ubuntu Development Release

    Re: Problem grub dont start

    Quote Originally Posted by jonsan191086 View Post
    the url is the same as remember boot from sda1/efi/ubuntu/grubx64.eif ?
    Sorry, i don't understand. The URL should be something like paste.ubuntu.com/XXXXXXX

  4. #14
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    Oct 2012
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    Re: Problem grub dont start

    Quote Originally Posted by YannBuntu View Post
    Sorry, i don't understand. The URL should be something like paste.ubuntu.com/XXXXXXX
    I dont know which is the url how I get that ?

    this is my boot info

    Code:
    ============================= Boot Info Summary: ===============================
    
     => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sda and looks at sector 
        228726784 of the same hard drive for core.img. core.img is at this 
        location and looks in partition 2 for (,gpt2)/boot/grub.
     => Windows is installed in the MBR of /dev/sdb.
    
    sda1: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  Grub2 (v1.99)
        Boot sector info:  Grub2 (v1.99) is installed in the boot sector of sda1 
                           and looks at sector 76513304 of the same hard drive 
                           for core.img. core.img is at this location and looks 
                           for (,gpt4)/boot/grub on this drive. No errors found 
                           in the Boot Parameter Block.
        Operating System:  
        Boot files:        /efi/Boot/bootx64.efi /efi/ubuntu/grubx64.efi
    
    sda2: __________________________________________________________________________
    
        File system:       
        Boot sector type:  -
        Boot sector info: 
        Mounting failed:   mount: unknown filesystem type ''
    
    sda3: __________________________________________________________________________
    
        File system:       ntfs
        Boot sector type:  Grub2 (v1.99)
        Boot sector info:  Grub2 (v1.99) is installed in the boot sector of sda3 
                           and looks at sector 85290144 of the same hard drive 
                           for core.img. core.img is at this location and looks 
                           for (,gpt4)/boot/grub on this drive. No errors found 
                           in the Boot Parameter Block.
        Operating System:  Windows 7
        Boot files:        /Windows/System32/winload.exe
    
    sda4: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info: 
        Operating System:  
        Boot files:        
    
    sda5: __________________________________________________________________________
    
        File system:       swap
        Boot sector type:  -
        Boot sector info: 
    
    sda6: __________________________________________________________________________
    
        File system:       BIOS Boot partition
        Boot sector type:  Grub2's core.img
        Boot sector info: 
    
    sda7: __________________________________________________________________________
    
        File system:       ntfs
        Boot sector type:  Windows Vista/7: NTFS
        Boot sector info:  No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        
    
    sdb1: __________________________________________________________________________
    
        File system:       
        Boot sector type:  Unknown
        Boot sector info: 
        Mounting failed:   mount: unknown filesystem type ''
    mount: unknown filesystem type ''
    
    sdb2: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info: 
        Operating System:  Ubuntu 12.04 LTS
        Boot files:        /boot/grub/grub.cfg /etc/fstab
    
    ============================ Drive/Partition Info: =============================
    
    Drive: sda _____________________________________________________________________
    
    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    
    Partition  Boot  Start Sector    End Sector  # of Sectors  Id System
    
    /dev/sda1                   1   976,773,167   976,773,167  ee GPT
    
    
    GUID Partition Table detected.
    
    Partition    Start Sector    End Sector  # of Sectors System
    /dev/sda1           2,048       206,847       204,800 EFI System partition
    /dev/sda2         206,848       468,991       262,144 Microsoft Reserved Partition (Windows)
    /dev/sda3         468,992   123,254,148   122,785,157 Data partition (Windows/Linux)
    /dev/sda4     123,256,832   220,913,081    97,656,250 Data partition (Windows/Linux)
    /dev/sda5     220,913,664   228,726,163     7,812,500 Swap partition (Linux)
    /dev/sda6     228,726,784   228,747,263        20,480 BIOS Boot partition
    /dev/sda7     228,747,264   331,651,071   102,903,808 Data partition (Windows/Linux)
    
    Drive: sdb _____________________________________________________________________
    
    Disk /dev/sdb: 16.0 GB, 16013942784 bytes
    255 heads, 63 sectors/track, 1946 cylinders, total 31277232 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    
    Partition  Boot  Start Sector    End Sector  # of Sectors  Id System
    
    /dev/sdb1                   1    31,277,231    31,277,231  ee GPT
    
    
    GUID Partition Table detected.
    
    Partition    Start Sector    End Sector  # of Sectors System
    /dev/sdb1              34        65,569        65,536 Microsoft Reserved Partition (Windows)
    /dev/sdb2          67,584    21,510,943    21,443,360 Data partition (Windows/Linux)
    
    "blkid" output: ________________________________________________________________
    
    Device           UUID                                   TYPE       LABEL
    
    /dev/sda1        D6AE-FE5B                              vfat       
    /dev/sda3        68CAB129CAB0F482                       ntfs       
    /dev/sda4        3dae80e2-36c8-4f0a-aa44-623c8583684e   ext4       
    /dev/sda5        193c0a28-f5d1-4beb-b563-103748f4f875   swap       
    /dev/sda7        7A44B72344B6E0D5                       ntfs       Datos
    /dev/sdb2        bb8f4fb7-bf74-45f1-81aa-3eab972336a8   ext4       
    
    ================================ Mount points: =================================
    
    Device           Mount_Point              Type       Options
    
    /dev/sda1        /boot/efi                vfat       (rw)
    /dev/sda4        /home                    ext4       (rw)
    /dev/sdb2        /                        ext4       (rw,errors=remount-ro)
    
    
    =========================== sdb2/boot/grub/grub.cfg: ===========================
    
    --------------------------------------------------------------------------------
    #
    # DO NOT EDIT THIS FILE
    #
    # It is automatically generated by grub-mkconfig using templates
    # from /etc/grub.d and settings from /etc/default/grub
    #
    
    ### BEGIN /etc/grub.d/00_header ###
    if [ -s $prefix/grubenv ]; then
      set have_grubenv=true
      load_env
    fi
    set default="0"
    
    if [ x"${feature_menuentry_id}" = xy ]; then
      menuentry_id_option="--id"
    else
      menuentry_id_option=""
    fi
    
    export menuentry_id_option
    
    if [ "${prev_saved_entry}" ]; then
      set saved_entry="${prev_saved_entry}"
      save_env saved_entry
      set prev_saved_entry=
      save_env prev_saved_entry
      set boot_once=true
    fi
    
    function savedefault {
      if [ -z "${boot_once}" ]; then
        saved_entry="${chosen}"
        save_env saved_entry
      fi
    }
    
    function recordfail {
      set recordfail=1
      if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
    }
    
    function load_video {
      if [ x$feature_all_video_module = xy ]; then
        insmod all_video
      else
        insmod efi_gop
        insmod efi_uga
        insmod ieee1275_fb
        insmod vbe
        insmod vga
        insmod video_bochs
        insmod video_cirrus
      fi
    }
    
    if [ x$feature_default_font_path = xy ] ; then
       font=unicode
    else
    insmod part_gpt
    insmod ext2
    set root='hd1,gpt2'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2 --hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2  bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    else
      search --no-floppy --fs-uuid --set=root bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    fi
        font="/usr/share/grub/unicode.pf2"
    fi
    
    if loadfont $font ; then
      set gfxmode=auto
      load_video
      insmod gfxterm
      set locale_dir=$prefix/locale
      set lang=en_US
      insmod gettext
    fi
    terminal_output gfxterm
    if [ "${recordfail}" = 1 ]; then
      set timeout=10
    else
      set timeout=10
    fi
    ### END /etc/grub.d/00_header ###
    
    ### BEGIN /etc/grub.d/05_debian_theme ###
    set menu_color_normal=white/black
    set menu_color_highlight=black/light-gray
    if background_color 75,75,75; then
      clear
    fi
    ### END /etc/grub.d/05_debian_theme ###
    
    ### BEGIN /etc/grub.d/10_linux ###
    function gfxmode {
    	set gfxpayload="${1}"
    	if [ "${1}" = "keep" ]; then
    		set vt_handoff=vt.handoff=7
    	else
    		set vt_handoff=
    	fi
    }
    if [ "${recordfail}" != 1 ]; then
      if [ -e ${prefix}/gfxblacklist.txt ]; then
        if hwmatch ${prefix}/gfxblacklist.txt 3; then
          if [ ${match} = 0 ]; then
            set linux_gfx_mode=keep
          else
            set linux_gfx_mode=text
          fi
        else
          set linux_gfx_mode=text
        fi
      else
        set linux_gfx_mode=keep
      fi
    else
      set linux_gfx_mode=text
    fi
    export linux_gfx_mode
    if [ "${linux_gfx_mode}" != "text" ]; then load_video; fi
    menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-bb8f4fb7-bf74-45f1-81aa-3eab972336a8' {
    recordfail
    	gfxmode $linux_gfx_mode
    	insmod gzio
    	insmod part_gpt
    	insmod ext2
    	set root='hd1,gpt2'
    	if [ x$feature_platform_search_hint = xy ]; then
    	  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2 --hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2  bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    	else
    	  search --no-floppy --fs-uuid --set=root bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    	fi
    	linux	/boot/vmlinuz-3.2.0-23-generic root=UUID=bb8f4fb7-bf74-45f1-81aa-3eab972336a8 ro   quiet splash $vt_handoff
    	initrd	/boot/initrd.img-3.2.0-23-generic
    }
    submenu 'Advanced options for Ubuntu' $menuentry_id_option 'gnulinux-advanced-bb8f4fb7-bf74-45f1-81aa-3eab972336a8' {
    	menuentry 'Ubuntu, with Linux 3.2.0-23-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.2.0-23-generic-advanced-bb8f4fb7-bf74-45f1-81aa-3eab972336a8' {
    	recordfail
    		gfxmode $linux_gfx_mode
    		insmod gzio
    		insmod part_gpt
    		insmod ext2
    		set root='hd1,gpt2'
    		if [ x$feature_platform_search_hint = xy ]; then
    		  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2 --hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2  bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    		else
    		  search --no-floppy --fs-uuid --set=root bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    		fi
    		echo	'Loading Linux 3.2.0-23-generic ...'
    		linux	/boot/vmlinuz-3.2.0-23-generic root=UUID=bb8f4fb7-bf74-45f1-81aa-3eab972336a8 ro   quiet splash $vt_handoff
    		echo	'Loading initial ramdisk ...'
    		initrd	/boot/initrd.img-3.2.0-23-generic
    	}
    	menuentry 'Ubuntu, with Linux 3.2.0-23-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.2.0-23-generic-recovery-bb8f4fb7-bf74-45f1-81aa-3eab972336a8' {
    	recordfail
    		insmod gzio
    		insmod part_gpt
    		insmod ext2
    		set root='hd1,gpt2'
    		if [ x$feature_platform_search_hint = xy ]; then
    		  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2 --hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2  bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    		else
    		  search --no-floppy --fs-uuid --set=root bb8f4fb7-bf74-45f1-81aa-3eab972336a8
    		fi
    		echo	'Loading Linux 3.2.0-23-generic ...'
    		linux	/boot/vmlinuz-3.2.0-23-generic root=UUID=bb8f4fb7-bf74-45f1-81aa-3eab972336a8 ro recovery nomodeset 
    		echo	'Loading initial ramdisk ...'
    		initrd	/boot/initrd.img-3.2.0-23-generic
    	}
    }
    
    ### END /etc/grub.d/10_linux ###
    
    ### BEGIN /etc/grub.d/20_linux_xen ###
    
    ### END /etc/grub.d/20_linux_xen ###
    
    ### BEGIN /etc/grub.d/25_custom ###
    
    menuentry "Windows UEFI loader" {
    search --fs-uuid --no-floppy --set=root D6AE-FE5B
    chainloader (${root})/EFI/Microsoft/Boot/bootmgfw.efi.bkp
    }
    
    menuentry "Windows UEFI memory test" {
    search --fs-uuid --no-floppy --set=root D6AE-FE5B
    chainloader (${root})/EFI/Microsoft/Boot/memtest.efi
    }
    ### END /etc/grub.d/25_custom ###
    
    ### BEGIN /etc/grub.d/30_os-prober ###
    ### END /etc/grub.d/30_os-prober ###
    
    ### BEGIN /etc/grub.d/30_uefi-firmware ###
    ### END /etc/grub.d/30_uefi-firmware ###
    
    ### BEGIN /etc/grub.d/40_custom ###
    # This file provides an easy way to add custom menu entries.  Simply type the
    # menu entries you want to add after this comment.  Be careful not to change
    # the 'exec tail' line above.
    ### END /etc/grub.d/40_custom ###
    
    ### BEGIN /etc/grub.d/41_custom ###
    if [ -f  ${config_directory}/custom.cfg ]; then
      source ${config_directory}/custom.cfg
    elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
      source $prefix/custom.cfg;
    fi
    ### END /etc/grub.d/41_custom ###
    --------------------------------------------------------------------------------
    
    =============================== sdb2/etc/fstab: ================================
    
    --------------------------------------------------------------------------------
    # /etc/fstab: static file system information.
    #
    # Use 'blkid' to print the universally unique identifier for a
    # device; this may be used with UUID= as a more robust way to name devices
    # that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point>   <type>  <options>       <dump>  <pass>
    proc            /proc           proc    nodev,noexec,nosuid 0       0
    # / was on /dev/sdb2 during installation
    UUID=bb8f4fb7-bf74-45f1-81aa-3eab972336a8 /               ext4    errors=remount-ro 0       1
    # /boot/efi was on /dev/sda1 during installation
    UUID=D6AE-FE5B  /boot/efi       vfat    defaults        0       1
    # /home was on /dev/sda4 during installation
    UUID=3dae80e2-36c8-4f0a-aa44-623c8583684e /home           ext4    defaults        0       2
    # swap was on /dev/sda5 during installation
    UUID=193c0a28-f5d1-4beb-b563-103748f4f875 none            swap    sw              0       0
    --------------------------------------------------------------------------------
    
    =================== sdb2: Location of files loaded by Grub: ====================
    
               GiB - GB             File                                 Fragment(s)
    
       0.482559204 = 0.518144000    boot/grub/grub.cfg                             1
       0.717067719 = 0.769945600    boot/initrd.img-3.2.0-23-generic               2
       5.052047729 = 5.424594944    boot/vmlinuz-3.2.0-23-generic                  1
       0.717067719 = 0.769945600    initrd.img                                     2
       5.052047729 = 5.424594944    vmlinuz                                        1
    
    ======================== Unknown MBRs/Boot Sectors/etc: ========================
    
    Unknown BootLoader on sdb1
    
    00000000  c8 c5 92 4c 68 28 dd 50  f6 f3 5d 69 19 7f 19 5a  |...Lh(.P..]i...Z|
    00000010  18 4a a4 37 4a 9c 37 25  ce 6a 02 61 7b 7a c4 84  |.J.7J.7%.j.a{z..|
    00000020  1a c8 9a 05 d3 29 14 ff  e6 2e 8e 34 9c 4b be 53  |.....).....4.K.S|
    00000030  7c 38 89 76 c1 98 1b ef  0c d9 36 44 57 5b ca 78  ||8.v......6DW[.x|
    00000040  2a d4 c7 8c 11 f3 2f 46  4d 43 6f 31 ca 53 ef e5  |*...../FMCo1.S..|
    00000050  51 14 e8 88 ff 82 76 95  f6 86 ee dc 52 1b 71 cb  |Q.....v.....R.q.|
    00000060  5f b1 c1 eb 09 ce 54 ad  93 fb a7 67 8c de d5 9a  |_.....T....g....|
    00000070  ff a4 68 76 eb a2 6f a0  f2 3b d1 32 55 04 e0 04  |..hv..o..;.2U...|
    00000080  20 26 31 2a a2 04 ac bd  20 1e df df cb 35 97 f9  | &1*.... ....5..|
    00000090  ee b1 b2 47 6c 3f 2f 97  6a be 87 4d 49 5c 40 ab  |...Gl?/.j..MI\@.|
    000000a0  d7 fc bf 4f c6 dc 5e fd  5d 74 be 9f 6d a1 5f 8a  |...O..^.]t..m._.|
    000000b0  87 02 6d 03 6c a2 dd 02  c5 d8 b9 36 14 6c b8 48  |..m.l......6.l.H|
    000000c0  eb fb 12 64 5c 9d 92 f6  b0 c4 ed b1 5b 68 52 d6  |...d\.......[hR.|
    000000d0  30 61 42 b3 d2 14 a2 6a  6b 51 0f f3 a0 7c 71 64  |0aB....jkQ...|qd|
    000000e0  c4 eb d3 70 4b 90 72 2e  82 d8 13 1c 7e d2 9a 64  |...pK.r.....~..d|
    000000f0  52 94 d9 5e 86 db a6 55  c4 f1 30 8e d3 d4 93 86  |R..^...U..0.....|
    00000100  ca 94 a9 7c 7d fd 23 2f  3c 76 d9 e9 bd 29 5f bc  |...|}.#/<v...)_.|
    00000110  56 64 d9 0c 6f 3f 10 4e  38 80 c5 0e 97 bb 45 37  |Vd..o?.N8.....E7|
    00000120  65 be 3d 8f d9 2c d0 81  44 67 e7 1f ff b3 c8 67  |e.=..,..Dg.....g|
    00000130  a2 99 eb c5 77 8a 08 da  2f c5 75 7c d3 7b af fe  |....w.../.u|.{..|
    00000140  fd 30 37 b1 47 64 9f aa  04 73 e4 c6 2e ba fe ec  |.07.Gd...s......|
    00000150  a0 fb b6 92 85 02 b8 83  11 89 e9 df 6f 5a fa 63  |............oZ.c|
    00000160  fa b3 3e ea af ee b8 34  e2 61 79 e7 31 84 29 d3  |..>....4.ay.1.).|
    00000170  b7 51 e3 7a 82 f1 46 d0  46 94 c8 3f 52 a1 4e ee  |.Q.z..F.F..?R.N.|
    00000180  c4 0f fa 43 f9 12 44 a7  48 fb 4d 89 f0 59 6f a5  |...C..D.H.M..Yo.|
    00000190  4e 65 19 86 54 9d da 49  36 ae bb a5 66 97 d2 28  |Ne..T..I6...f..(|
    000001a0  c3 0c 14 c3 0e 18 6b 89  9d 07 09 b4 53 83 fb e9  |......k.....S...|
    000001b0  cf fd 01 bd e4 4f 9d 77  49 9f 6a 17 92 86 af 98  |.....O.wI.j.....|
    000001c0  5f 71 34 73 d4 48 54 64  49 4e 54 70 42 49 f3 27  |_q4s.HTdINTpBI.'|
    000001d0  a1 e2 42 27 1a 4e b6 e1  e8 2e 7c a0 be b4 0c c7  |..B'.N....|.....|
    000001e0  01 08 01 59 34 ea 28 bf  b4 98 d7 c6 a5 f2 80 e8  |...Y4.(.........|
    000001f0  2c dc 85 cc de e4 4e 10  79 25 9a 45 d2 6a 12 3b  |,.....N.y%.E.j.;|
    00000200
    
    
    =============================== StdErr Messages: ===============================
    
    xz: (stdin): Compressed data is corrupt
    xz: (stdin): Compressed data is corrupt

  5. #15
    Join Date
    Jun 2009
    Location
    SW Forida
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    Hidden!
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Problem grub dont start

    Boot script tells a lot, but BootInfo would show more. You have UEFI system with gpt partitioning and grub installed in a BIUOS/MBR partitioning mode. Ubuntu liveCD/USB needed to be booted in UEFI mode to install correctly. You also managed to install grub to severa partitions but that should not matter, but will never be used.

    If Windows files are ok, script does not show them, you can use this to fix Ubuntu. Boot-Repair runs the boot info script as part of its BootInfo and adds some extra info that will tell us if your Windows boot files are still there.

    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.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  6. #16
    Join Date
    Jan 2008
    Location
    France
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Problem grub dont start

    Quote Originally Posted by jonsan191086 View Post
    I dont know which is the url how I get that ?
    it appears in the final window after running Boot-Repair.

  7. #17
    Join Date
    Oct 2012
    Beans
    12

    Re: Problem grub dont start

    Quote Originally Posted by YannBuntu View Post
    it appears in the final window after running Boot-Repair.
    This is the URL http://paste.ubuntu.com/1272547/

    I hope you can help me


  8. #18
    Join Date
    Jun 2009
    Location
    SW Forida
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    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: Problem grub dont start

    You have a UEFI system and both Windows & Ubuntu installed in efi mode. But you then install grub into the MBR or old BIOS mode and installed it into several partitions. Not sure if install into the efi partition will prevent booting or not. Windows normally has to have its boot info in the partition boot sector.

    Are you in UEFI/BIOS choosing UEFI and booting from that?

    But you can fix the Windows partition.

    Code:
    sda3: _____________________________________
    
        File system:       ntfs
        Boot sector type:  Grub2 (v1.99)
        Boot sector info:  Grub2 (v1.99) is installed in the boot sector of sda3 
                           and looks at sector 85290144 of the same hard drive 
                           for core.img. core.img is at this location and looks 
                           for (,gpt4)/boot/grub on this drive. No errors found 
                           in the Boot Parameter Block.
        Operating System:  Windows 7
        Boot files:        /Windows/System32/winload.exe
    Fix for most, a few have other issues, better than windows fix in many cases as it also fixes other parameters:

    This has instructions on using testdisk to repair the install of grub to the boot sector for windows from Ubuntu or Linux LiveCD. Note your drive is gpt(GUID) not MBR(msdos).
    http://sourceforge.net/apps/mediawik...ms:Boot_Sector
    You want to get to this screen:
    http://www.cgsecurity.org/wiki/TestD...ector_recovery

    OR:
    [HowTo] Repair the bootsector of a Windows partition - YannBuntu
    https://help.ubuntu.com/community/BootSectorFix
    http://ubuntuforums.org/showthread.php?t=1926510

    If UEFI boot does not work we may have to backup the efi boot files in sda1, and totally reformat it, then restore boot files.
    Update.
    Testdisk site says this. So also try to run same repair on sda1.
    Recovery of a FAT32 partition (instead of an NTFS partition) can be accomplished by following exactly the same steps.
    Last edited by oldfred; October 11th, 2012 at 05:35 AM. Reason: Update to fix fat32 partition
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  9. #19
    Join Date
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    Location
    France
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    Distro
    Ubuntu Development Release

    Re: Problem grub dont start

    oldfred +1 (you need to fix the bootsector of sda3)


    However, i see you are able to boot into your installed Ubuntu in UEFI mode:

    Code:
    BIOS is EFI-compatible, and is setup in EFI-mode for this installed-session.
    so you probably don't need to fix the bootsector of sda1.

    So i would:
    1) fix the bootsector of sda3 as described by oldfred
    2) reboot the PC, in the GRUB menu choose the "Windows UEFI" entry, and tell us if it boots Windows or not.

  10. #20
    Join Date
    Oct 2012
    Beans
    12

    Re: Problem grub dont start

    Quote Originally Posted by oldfred View Post
    You have a UEFI system and both Windows & Ubuntu installed in efi mode. But you then install grub into the MBR or old BIOS mode and installed it into several partitions. Not sure if install into the efi partition will prevent booting or not. Windows normally has to have its boot info in the partition boot sector.

    Are you in UEFI/BIOS choosing UEFI and booting from that?

    But you can fix the Windows partition.

    Code:
    sda3: _____________________________________
    
        File system:       ntfs
        Boot sector type:  Grub2 (v1.99)
        Boot sector info:  Grub2 (v1.99) is installed in the boot sector of sda3 
                           and looks at sector 85290144 of the same hard drive 
                           for core.img. core.img is at this location and looks 
                           for (,gpt4)/boot/grub on this drive. No errors found 
                           in the Boot Parameter Block.
        Operating System:  Windows 7
        Boot files:        /Windows/System32/winload.exe
    Fix for most, a few have other issues, better than windows fix in many cases as it also fixes other parameters:

    This has instructions on using testdisk to repair the install of grub to the boot sector for windows from Ubuntu or Linux LiveCD. Note your drive is gpt(GUID) not MBR(msdos).
    http://sourceforge.net/apps/mediawik...ms:Boot_Sector
    You want to get to this screen:
    http://www.cgsecurity.org/wiki/TestD...ector_recovery

    OR:
    [HowTo] Repair the bootsector of a Windows partition - YannBuntu
    https://help.ubuntu.com/community/BootSectorFix
    http://ubuntuforums.org/showthread.php?t=1926510

    If UEFI boot does not work we may have to backup the efi boot files in sda1, and totally reformat it, then restore boot files.
    Update.
    Testdisk site says this. So also try to run same repair on sda1.
    Sorry but for this Note your drive is gpt(GUID) not MBR(msdos). then i have to select intel or EFI GPT ??? I dont want screw it all

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