Peppuzzo
June 13th, 2010, 08:56 AM
I have accidentally started the recovery OS of my netbook, and messed-up grub.
I can start the Netbook from a live CD, but I do not manage to restore grub to anything useful. Below the outcome of the Boot Info Script I have found in the forum::confused:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 0.97 is installed in the MBR of /dev/sda and looks on the same drive
in partition #5 for /boot/grub/stage2 and /boot/grub/menu.lst.
=> Syslinux is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
sda2: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ _______________________
File system: ext2
Boot sector type: -
Boot sector info:
Operating System:
Boot files/dirs:
sda6: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sda7: __________________________________________________ _______________________
File system: ext2
Boot sector type: -
Boot sector info:
Operating System:
Boot files/dirs:
sda8: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sda3: __________________________________________________ _______________________
File system: vfat
Boot sector type: Vista: Fat 32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /bootmgr /boot/bcd
sda4: __________________________________________________ _______________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed:
mount: unknown filesystem type ''
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: Fat32
Boot sector info: According to the info in the boot sector, sdb1 starts
at sector 0. But according to the info from fdisk,
sdb1 starts at sector 62.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 * 2,048 118,737,245 118,735,198 7 HPFS/NTFS
/dev/sda2 118,738,942 467,379,044 348,640,103 5 Extended
/dev/sda5 209,728,638 257,650,469 47,921,832 83 Linux
/dev/sda6 257,650,533 261,843,434 4,192,902 82 Linux swap / Solaris
/dev/sda7 261,843,498 365,848,244 104,004,747 83 Linux
/dev/sda8 365,848,308 467,379,044 101,530,737 7 HPFS/NTFS
/dev/sda3 467,386,368 488,357,887 20,971,520 1b Hidden W95 FAT32
/dev/sda4 488,357,888 488,392,064 34,177 1b Hidden W95 FAT32
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 2032 MB, 2032664576 bytes
63 heads, 62 sectors/track, 1016 cylinders, total 3970048 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sdb1 * 62 3,968,495 3,968,434 c W95 FAT32 (LBA)
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 76708D71708D393F ntfs
/dev/sda2: PTTYPE="dos"
/dev/sda3 86F4-D40A vfat zšȘ©
/dev/sda5 52a1f00c-3489-4f89-8645-15ed11fd4071 ext2 linuxos
/dev/sda6 baa83723-8698-4cbc-a7f6-fc69e6cabfb1 swap linux-swap
/dev/sda7 887f9334-80d8-4ad8-a5f1-b5ec12d954a9 ext2 linux data
/dev/sda8 795F2895216CD401 ntfs windows data
/dev/sda: PTTYPE="dos"
/dev/sdb1 29F5-F9D6 vfat
/dev/sdb: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sdb1 /cdrom vfat (ro,noatime,fmask=0022,dmask=0022,codepage=cp437,i ocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 /rofs squashfs (ro,noatime)
=================== sda5: Location of files loaded by Grub: ===================
108.8GB: boot/grub/stage2
=========================== Unknown MBRs/Boot Sectors/etc =======================
Unknown BootLoader on sda4
00000000 55 aa 03 e9 7a 00 93 00 00 00 00 00 00 00 00 00 |U...z...........|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000020 00 00 00 00 00 00 00 00 ff ff 00 00 00 9b cf 00 |................|
00000030 ff ff 00 00 00 93 cf 00 ff ff 00 00 00 9a 0f 00 |................|
00000040 ff ff 00 00 00 92 0f 00 27 00 20 00 00 00 00 00 |........'. .....|
00000050 ff ff 00 00 00 00 00 00 10 00 44 65 76 69 63 65 |..........Device|
00000060 56 4d 20 52 6f 6d 20 4c 6f 61 64 65 72 00 00 00 |VM Rom Loader...|
00000070 01 31 31 2f 32 32 2f 32 30 30 37 00 00 00 00 00 |.11/22/2007.....|
00000080 0e 58 2e a3 42 02 68 00 00 1f 68 00 00 07 57 2e |.X..B.h...h...W.|
00000090 8d 3e 00 06 2e 80 7d 20 03 75 17 9c 60 b8 03 00 |.>....} .u..`...|
000000a0 cd 10 61 9d 2e 8d 3e 8c 03 e8 fd 02 b4 00 50 cd |..a...>.......P.|
000000b0 16 58 5f b8 03 00 c1 e0 09 89 c3 0e 07 26 66 8b |.X_..........&f.|
000000c0 47 0c 66 85 c0 74 05 2e 66 a3 56 00 fa 66 31 c0 |G.f..t..f.V..f1.|
000000d0 8c c8 66 c1 e0 04 2e 66 01 06 4a 00 fb 2e 66 a3 |..f....f..J...f.|
000000e0 3a 00 b0 9a 2e a2 3d 00 66 50 e8 25 03 66 58 66 |:.....=.fP.%.fXf|
000000f0 50 66 51 1e c8 0c 00 00 0e 1f 66 31 c0 3e a1 06 |PfQ.......f1.>..|
00000100 00 66 c1 e0 09 66 2d 03 00 00 00 66 50 2e 66 a1 |.f...f-....fP.f.|
00000110 56 00 66 50 66 31 c0 66 31 c9 b9 00 06 8c c8 66 |V.fPf1.f1......f|
00000120 c1 e0 04 66 01 c8 66 50 e8 cb 01 c9 1f 66 59 66 |...f..fP.....fYf|
00000130 58 fa 2e 0f 01 16 48 00 0f 20 c0 0c 01 0f 22 c0 |X.....H.. ....".|
00000140 2e 66 8b 36 56 00 66 67 66 67 8b 06 66 3d eb 3e |.f.6V.fgfg..f=.>|
00000150 45 54 74 14 0f 20 c0 24 fe 0f 22 c0 57 2e 8d 3e |ETt.. .$..".W..>|
00000160 5a 03 e8 44 02 5f cd 18 0f 20 c0 24 fe 0f 22 c0 |Z..D._... .$..".|
00000170 06 53 8c cb 8e c3 bb 00 06 e8 e0 00 5b 07 c8 0c |.S..........[...|
00000180 00 00 66 b8 00 02 00 00 66 50 2e 66 a1 56 00 66 |..f.....fP.f.V.f|
00000190 50 66 31 c0 66 31 c9 b9 00 06 8c c8 66 c1 e0 04 |Pf1.f1......f...|
000001a0 66 01 c8 66 50 e8 4e 01 c9 2e 66 8b 36 56 00 66 |f..fP.N...f.6V.f|
000001b0 89 e0 66 50 16 66 29 db bb 48 00 66 29 c9 8c c9 |..fP.f)..H.f)...|
000001c0 66 c1 e1 04 66 01 d9 66 51 66 29 c0 66 29 c9 b8 |f...f..fQf).f)..|
000001d0 08 00 66 50 b8 14 02 8c c9 66 c1 e1 04 66 01 c1 |..fP.....f...f..|
000001e0 66 51 66 29 c0 89 e0 66 29 c9 8c d1 66 c1 e1 04 |fQf)...f)...f...|
000001f0 66 01 c1 fa 2e 0f 01 16 48 00 0f 20 c0 0c 01 0f |f.......H.. ....|
00000200
anyone could help?
I can start the Netbook from a live CD, but I do not manage to restore grub to anything useful. Below the outcome of the Boot Info Script I have found in the forum::confused:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 0.97 is installed in the MBR of /dev/sda and looks on the same drive
in partition #5 for /boot/grub/stage2 and /boot/grub/menu.lst.
=> Syslinux is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
sda2: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ _______________________
File system: ext2
Boot sector type: -
Boot sector info:
Operating System:
Boot files/dirs:
sda6: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sda7: __________________________________________________ _______________________
File system: ext2
Boot sector type: -
Boot sector info:
Operating System:
Boot files/dirs:
sda8: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sda3: __________________________________________________ _______________________
File system: vfat
Boot sector type: Vista: Fat 32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /bootmgr /boot/bcd
sda4: __________________________________________________ _______________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed:
mount: unknown filesystem type ''
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: Fat32
Boot sector info: According to the info in the boot sector, sdb1 starts
at sector 0. But according to the info from fdisk,
sdb1 starts at sector 62.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 * 2,048 118,737,245 118,735,198 7 HPFS/NTFS
/dev/sda2 118,738,942 467,379,044 348,640,103 5 Extended
/dev/sda5 209,728,638 257,650,469 47,921,832 83 Linux
/dev/sda6 257,650,533 261,843,434 4,192,902 82 Linux swap / Solaris
/dev/sda7 261,843,498 365,848,244 104,004,747 83 Linux
/dev/sda8 365,848,308 467,379,044 101,530,737 7 HPFS/NTFS
/dev/sda3 467,386,368 488,357,887 20,971,520 1b Hidden W95 FAT32
/dev/sda4 488,357,888 488,392,064 34,177 1b Hidden W95 FAT32
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 2032 MB, 2032664576 bytes
63 heads, 62 sectors/track, 1016 cylinders, total 3970048 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sdb1 * 62 3,968,495 3,968,434 c W95 FAT32 (LBA)
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 76708D71708D393F ntfs
/dev/sda2: PTTYPE="dos"
/dev/sda3 86F4-D40A vfat zšȘ©
/dev/sda5 52a1f00c-3489-4f89-8645-15ed11fd4071 ext2 linuxos
/dev/sda6 baa83723-8698-4cbc-a7f6-fc69e6cabfb1 swap linux-swap
/dev/sda7 887f9334-80d8-4ad8-a5f1-b5ec12d954a9 ext2 linux data
/dev/sda8 795F2895216CD401 ntfs windows data
/dev/sda: PTTYPE="dos"
/dev/sdb1 29F5-F9D6 vfat
/dev/sdb: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sdb1 /cdrom vfat (ro,noatime,fmask=0022,dmask=0022,codepage=cp437,i ocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 /rofs squashfs (ro,noatime)
=================== sda5: Location of files loaded by Grub: ===================
108.8GB: boot/grub/stage2
=========================== Unknown MBRs/Boot Sectors/etc =======================
Unknown BootLoader on sda4
00000000 55 aa 03 e9 7a 00 93 00 00 00 00 00 00 00 00 00 |U...z...........|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000020 00 00 00 00 00 00 00 00 ff ff 00 00 00 9b cf 00 |................|
00000030 ff ff 00 00 00 93 cf 00 ff ff 00 00 00 9a 0f 00 |................|
00000040 ff ff 00 00 00 92 0f 00 27 00 20 00 00 00 00 00 |........'. .....|
00000050 ff ff 00 00 00 00 00 00 10 00 44 65 76 69 63 65 |..........Device|
00000060 56 4d 20 52 6f 6d 20 4c 6f 61 64 65 72 00 00 00 |VM Rom Loader...|
00000070 01 31 31 2f 32 32 2f 32 30 30 37 00 00 00 00 00 |.11/22/2007.....|
00000080 0e 58 2e a3 42 02 68 00 00 1f 68 00 00 07 57 2e |.X..B.h...h...W.|
00000090 8d 3e 00 06 2e 80 7d 20 03 75 17 9c 60 b8 03 00 |.>....} .u..`...|
000000a0 cd 10 61 9d 2e 8d 3e 8c 03 e8 fd 02 b4 00 50 cd |..a...>.......P.|
000000b0 16 58 5f b8 03 00 c1 e0 09 89 c3 0e 07 26 66 8b |.X_..........&f.|
000000c0 47 0c 66 85 c0 74 05 2e 66 a3 56 00 fa 66 31 c0 |G.f..t..f.V..f1.|
000000d0 8c c8 66 c1 e0 04 2e 66 01 06 4a 00 fb 2e 66 a3 |..f....f..J...f.|
000000e0 3a 00 b0 9a 2e a2 3d 00 66 50 e8 25 03 66 58 66 |:.....=.fP.%.fXf|
000000f0 50 66 51 1e c8 0c 00 00 0e 1f 66 31 c0 3e a1 06 |PfQ.......f1.>..|
00000100 00 66 c1 e0 09 66 2d 03 00 00 00 66 50 2e 66 a1 |.f...f-....fP.f.|
00000110 56 00 66 50 66 31 c0 66 31 c9 b9 00 06 8c c8 66 |V.fPf1.f1......f|
00000120 c1 e0 04 66 01 c8 66 50 e8 cb 01 c9 1f 66 59 66 |...f..fP.....fYf|
00000130 58 fa 2e 0f 01 16 48 00 0f 20 c0 0c 01 0f 22 c0 |X.....H.. ....".|
00000140 2e 66 8b 36 56 00 66 67 66 67 8b 06 66 3d eb 3e |.f.6V.fgfg..f=.>|
00000150 45 54 74 14 0f 20 c0 24 fe 0f 22 c0 57 2e 8d 3e |ETt.. .$..".W..>|
00000160 5a 03 e8 44 02 5f cd 18 0f 20 c0 24 fe 0f 22 c0 |Z..D._... .$..".|
00000170 06 53 8c cb 8e c3 bb 00 06 e8 e0 00 5b 07 c8 0c |.S..........[...|
00000180 00 00 66 b8 00 02 00 00 66 50 2e 66 a1 56 00 66 |..f.....fP.f.V.f|
00000190 50 66 31 c0 66 31 c9 b9 00 06 8c c8 66 c1 e0 04 |Pf1.f1......f...|
000001a0 66 01 c8 66 50 e8 4e 01 c9 2e 66 8b 36 56 00 66 |f..fP.N...f.6V.f|
000001b0 89 e0 66 50 16 66 29 db bb 48 00 66 29 c9 8c c9 |..fP.f)..H.f)...|
000001c0 66 c1 e1 04 66 01 d9 66 51 66 29 c0 66 29 c9 b8 |f...f..fQf).f)..|
000001d0 08 00 66 50 b8 14 02 8c c9 66 c1 e1 04 66 01 c1 |..fP.....f...f..|
000001e0 66 51 66 29 c0 89 e0 66 29 c9 8c d1 66 c1 e1 04 |fQf)...f)...f...|
000001f0 66 01 c1 fa 2e 0f 01 16 48 00 0f 20 c0 0c 01 0f |f.......H.. ....|
00000200
anyone could help?