Thread: Grub rescue
hello,
installed ubuntu on own hard drive , when restart computer no such device be255a42-dooo-445f-b2b2-93cfeo2433d6 , grub rescue prompt. try boot drive windows 7 on still gives me same error , grub rescue prompt. how can windows?code:boot info script 0.61 [1 april 2012] ============================= boot info summary: =============================== => grub2 (v1.99) installed in mbr of /dev/sda , looks @ sector 1 of same hard drive core.img. core.img @ location , looks in partition 1 /boot/grub. => grub2 (v1.99) installed in mbr of /dev/sdb , looks @ sector 1 of same hard drive core.img. core.img @ location , looks (,msdos1)/boot/grub on drive. sda1: __________________________________________________________________________ file system: ntfs boot sector type: windows vista/7: ntfs boot sector info: no errors found in boot parameter block. operating system: boot files: /bootmgr /boot/bcd sda2: __________________________________________________________________________ file system: ntfs boot sector type: windows vista/7: ntfs boot sector info: no errors found in boot parameter block. operating system: windows 7 boot files: /windows/system32/winload.exe sdb1: __________________________________________________________________________ file system: ext4 boot sector type: - boot sector info: operating system: ubuntu 12.04 lts boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img sdb2: __________________________________________________________________________ file system: extended partition boot sector type: unknown boot sector info: sdb5: __________________________________________________________________________ file system: swap boot sector type: - boot sector info: ============================ 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 / 512 bytes partition boot start sector end sector # of sectors id system /dev/sda1 * 2,048 206,847 204,800 7 ntfs / exfat / hpfs /dev/sda2 206,848 976,771,071 976,564,224 7 ntfs / exfat / hpfs drive: sdb _____________________________________________________________________ disk /dev/sdb: 80.0 gb, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders, total 156301488 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 * 2,048 147,918,847 147,916,800 83 linux /dev/sdb2 147,920,894 156,301,311 8,380,418 5 extended /dev/sdb5 147,920,896 156,301,311 8,380,416 82 linux swap / solaris "blkid" output: ________________________________________________________________ device uuid type label /dev/loop0 squashfs /dev/sda1 946e45e26e45bdac ntfs system reserved /dev/sda2 26e24829e2480013 ntfs /dev/sdb1 35dde708-89e0-4597-bdcf-65eccc2e6ce9 ext4 /dev/sdb5 663c3b43-9294-44a2-9bc4-44acd31f2fd9 swap /dev/sr0 iso9660 ubuntu 12.04 lts i386 ================================ mount points: ================================= device mount_point type options /dev/loop0 /rofs squashfs (ro,noatime) /dev/sda1 /media/system reserved fuseblk (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096) /dev/sda2 /media/26e24829e2480013 fuseblk (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096) /dev/sr0 /cdrom iso9660 (ro,noatime) =========================== sdb1/boot/grub/grub.cfg: =========================== -------------------------------------------------------------------------------- # # not edit file # # automatically generated grub-mkconfig using templates # /etc/grub.d , settings /etc/default/grub # ### begin /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; set have_grubenv=true load_env fi set default="0" if [ "${prev_saved_entry}" ]; 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}" ]; saved_entry="${chosen}" save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n "${have_grubenv}" ]; if [ -z "${boot_once}" ]; save_env recordfail; fi; fi } function load_video { insmod vbe insmod vga insmod video_bochs insmod video_cirrus } insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 if loadfont /usr/share/grub/unicode.pf2 ; set gfxmode=auto load_video insmod gfxterm insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 set locale_dir=($root)/boot/grub/locale set lang=en_us insmod gettext fi terminal_output gfxterm if [ "${recordfail}" = 1 ]; set timeout=-1 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 44,0,30; clear fi ### end /etc/grub.d/05_debian_theme ### ### begin /etc/grub.d/10_linux ### function gfxmode { set gfxpayload="$1" if [ "$1" = "keep" ]; set vt_handoff=vt.handoff=7 else set vt_handoff= fi } if [ ${recordfail} != 1 ]; if [ -e ${prefix}/gfxblacklist.txt ]; if hwmatch ${prefix}/gfxblacklist.txt 3; if [ ${match} = 0 ]; set linux_gfx_mode=keep else set linux_gfx_mode=text fi else set linux_gfx_mode=text fi else set linux_gfx_mode=keep fi else set linux_gfx_mode=text fi export linux_gfx_mode if [ "$linux_gfx_mode" != "text" ]; load_video; fi menuentry 'ubuntu, linux 3.2.0-24-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 linux /boot/vmlinuz-3.2.0-24-generic-pae root=uuid=35dde708-89e0-4597-bdcf-65eccc2e6ce9 ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-24-generic-pae } menuentry 'ubuntu, linux 3.2.0-24-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 echo 'loading linux 3.2.0-24-generic-pae ...' linux /boot/vmlinuz-3.2.0-24-generic-pae root=uuid=35dde708-89e0-4597-bdcf-65eccc2e6ce9 ro recovery nomodeset echo 'loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-24-generic-pae } submenu "previous linux versions" { menuentry 'ubuntu, linux 3.2.0-23-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os { recordfail gfxmode $linux_gfx_mode insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 linux /boot/vmlinuz-3.2.0-23-generic-pae root=uuid=35dde708-89e0-4597-bdcf-65eccc2e6ce9 ro quiet splash $vt_handoff initrd /boot/initrd.img-3.2.0-23-generic-pae } menuentry 'ubuntu, linux 3.2.0-23-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod gzio insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 echo 'loading linux 3.2.0-23-generic-pae ...' linux /boot/vmlinuz-3.2.0-23-generic-pae root=uuid=35dde708-89e0-4597-bdcf-65eccc2e6ce9 ro recovery nomodeset echo 'loading initial ramdisk ...' initrd /boot/initrd.img-3.2.0-23-generic-pae } } ### end /etc/grub.d/10_linux ### ### begin /etc/grub.d/20_linux_xen ### ### end /etc/grub.d/20_linux_xen ### ### begin /etc/grub.d/20_memtest86+ ### menuentry "memory test (memtest86+)" { insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 linux16 /boot/memtest86+.bin } menuentry "memory test (memtest86+, serial console 115200)" { insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set=root 35dde708-89e0-4597-bdcf-65eccc2e6ce9 linux16 /boot/memtest86+.bin console=ttys0,115200n8 } ### end /etc/grub.d/20_memtest86+ ### ### begin /etc/grub.d/30_os-prober ### menuentry "windows 7 (loader) (on /dev/sda1)" --class windows --class os { insmod part_msdos insmod ntfs set root='(hd0,msdos1)' search --no-floppy --fs-uuid --set=root 946e45e26e45bdac chainloader +1 } ### end /etc/grub.d/30_os-prober ### ### begin /etc/grub.d/40_custom ### # file provides easy way add custom menu entries. type # menu entries want add after comment. careful not change # 'exec tail' line above. ### end /etc/grub.d/40_custom ### ### begin /etc/grub.d/41_custom ### if [ -f $prefix/custom.cfg ]; source $prefix/custom.cfg; fi ### end /etc/grub.d/41_custom ### -------------------------------------------------------------------------------- =============================== sdb1/etc/fstab: ================================ -------------------------------------------------------------------------------- # /etc/fstab: static file system information. # # use 'blkid' print universally unique identifier # device; may used uuid= more robust way name devices # works if disks added , removed. see fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / on /dev/sdb1 during installation uuid=35dde708-89e0-4597-bdcf-65eccc2e6ce9 / ext4 errors=remount-ro 0 1 # swap on /dev/sdb5 during installation uuid=663c3b43-9294-44a2-9bc4-44acd31f2fd9 none swap sw 0 0 /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0 -------------------------------------------------------------------------------- =================== sdb1: location of files loaded grub: ==================== gib - gb file fragment(s) = boot/grub/core.img 1 = boot/grub/grub.cfg 1 = boot/initrd.img-3.2.0-23-generic-pae 1 = boot/initrd.img-3.2.0-24-generic-pae 1 = boot/vmlinuz-3.2.0-23-generic-pae 1 = boot/vmlinuz-3.2.0-24-generic-pae 2 = initrd.img 1 = vmlinuz 1 ======================== unknown mbrs/boot sectors/etc: ======================== unknown bootloader on sdb2 00000000 e2 da c7 b0 cc d7 4e 84 6e 4e d8 71 39 f2 06 8c |......n.nn.q9...| 00000010 a7 17 9f 81 38 4c 47 ac a7 ef 5d e7 b9 ba 30 e9 |....8lg...]...0.| 00000020 40 c3 79 b1 31 6e ee a7 b2 92 5a fc 4b 2a de 6a |@.y.1n....z.k*.j| 00000030 11 3f 93 69 6c 58 68 2c 4e 54 32 45 fc 9f 72 b2 |.?.ilxh,nt2e..r.| 00000040 79 db 56 94 bf 39 39 21 7b 33 5e 85 45 9e 60 ec |y.v..99!{3^.e.`.| 00000050 89 64 9f 27 1b ba 87 68 a4 d5 15 c3 5e f5 9b f2 |.d.'...h....^...| 00000060 78 cf b6 1a 39 d9 e4 81 cf 7c 66 d0 1f 5e 26 ca |x...9....|f..^&.| 00000070 43 05 df f2 0e b4 2d db 93 1a 8b 5d 7e 65 32 55 |c.....-....]~e2u| 00000080 24 66 7c 6a ac f7 31 aa a4 17 9c f6 42 3f 15 e9 |$f|j..1.....b?..| 00000090 43 2d 17 c6 67 93 92 8f 4d a6 9f 4d b8 04 b5 82 |c-..g...m..m....| 000000a0 fe 38 69 e2 ae 3b eb 13 1a 49 a1 c2 fb db 35 c1 |.8i..;...i....5.| 000000b0 c6 fa c4 bc 51 e7 d4 91 4d 18 11 bf f0 3b 98 9f |....q...m....;..| 000000c0 2b 07 47 cc f9 14 a5 75 c3 e6 93 58 f3 a1 d0 a4 |+.g....u...x....| 000000d0 cf fc b1 ee 96 9d eb 9d ff e6 f2 ec 0e 92 93 2c |...............,| 000000e0 18 42 82 75 45 4c ec d0 42 fa d6 c9 37 eb d6 02 |.b.uel..b...7...| 000000f0 fe 4f db ca f1 1d 01 ca 47 e5 48 0f cc e7 a9 8f |.o......g.h.....| 00000100 0c db 35 0f 0d 22 f6 f3 24 ce db 81 69 52 26 3f |..5.."..$...ir&?| 00000110 49 f8 ca a0 bf 83 5b 4d 39 58 ff b9 2a c6 b7 d1 |i.....[m9x..*...| 00000120 a0 7f 3a 3c 3e dd 6b 15 94 a7 a7 d6 c2 fc 39 78 |..:<>.k.......9x| 00000130 2d 87 ca 5f 88 a7 a8 a9 5f f9 b1 6d d4 6f 46 f2 |-.._...._..m.of.| 00000140 86 95 94 bf d8 51 96 03 55 96 6c 80 27 89 c6 7a |.....q..u.l.'..z| 00000150 5c 41 cd 4f ba c4 0f 9e 2c 18 cb f0 56 cb fc 9f |\a.o....,...v...| 00000160 a6 e6 7f 3f 18 0f 94 cf 8a e4 80 49 2c c2 93 25 |...?.......i,..%| 00000170 56 4f 9c b7 7d 32 8a e5 26 ef 1b 1d e1 3d 3a 48 |vo..}2..&....=:h| 00000180 27 05 f3 6f 32 a1 72 d1 37 36 c1 30 e4 ab 04 09 |'..o2.r.76.0....| 00000190 33 52 fa 89 39 df 63 e4 14 13 94 df 64 26 3f |3r..9.c......d&?| 000001a0 68 03 f6 ec 67 79 a9 2e 61 46 a8 0f ca 02 eb fc |h...gy..af......| 000001b0 fa 5a de 88 4b 30 f0 1d a0 ff 08 af cd 9a 00 fe |.z..k0..........| 000001c0 ff ff 82 fe ff ff 02 00 00 00 00 e0 7f 00 00 00 |................| 000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............u.| 00000200 =============================== stderr messages: =============================== xz: (stdin): compressed data corrupt xz: (stdin): compressed data corrupt awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in awk: cmd. line:36: math support not compiled in
i able fix with https://help.ubuntu.com/community/boot-repair
Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [ubuntu] Grub rescue
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