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Thread: Stuck on GRUB on startup

  1. #1
    Join Date
    Jan 2014
    Beans
    7

    Stuck on GRUB on startup

    This is the URL from the boot-repair utility: https://paste.ubuntu.com/p/FxbvYFrNTg/

    Code:
    boot-repair-4ppa130                                              [20211203_1546]
    
    ============================== Boot Info Summary ===============================
    
     => No boot loader is installed in the MBR of /dev/sda.
     => libparted MBR boot code is installed in the MBR of /dev/sdb.
     => Syslinux MBR (5.00 and higher) is installed in the MBR of /dev/sde.
    
    sda1: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  FAT32
        Boot sector info:  No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        /efi/BOOT/fbx64.efi /efi/BOOT/mmx64.efi 
                           /efi/ubuntu/grubx64.efi /efi/ubuntu/mmx64.efi 
                           /efi/ubuntu/shimx64.efi /efi/ubuntu/grub.cfg
    
    sda2: __________________________________________________________________________
    
        File system:       
        Boot sector type:  Unknown
        Boot sector info: 
    
    sdb1: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info: 
        Operating System:  
        Boot files:        
    
    sde1: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  SYSLINUX 6.04
        Boot sector info:  Syslinux looks at sector 29880 of /dev/sde1 for its 
                           second stage. The integrity check of Syslinux failed. 
                           No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        /boot/grub/grub.cfg /syslinux.cfg 
                           /efi/BOOT/grubx64.efi /efi/BOOT/mmx64.efi /ldlinux.sys
    
    
    ================================ 0 OS detected =================================
    
    
    ============================ Architecture/Host Info ============================
    
    CPU architecture: 64-bit
    Live-session OS is Ubuntu 64-bit (Ubuntu 20.04.3 LTS, focal, x86_64)
    
    
    ===================================== UEFI =====================================
    
    BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
    SecureBoot disabled.
    
    efibootmgr -v
    BootCurrent: 0017
    Timeout: 1 seconds
    BootOrder: 0000,0006,0007,0008,0009,000A,000B,000D,000E,000F,0010,0012,0013,0014,0015,0017,0016,0001,0002,0004,0005
    Boot0000* ubuntu    HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)/File(\EFI\UBUNTU\SHIMX64.EFI)
    Boot0001* Hard Drive     BBS(HD,,0x0)..GO..NO........o.W.D.C. .W.D.5.0.0.0.A.A.K.S.-.0.0.A.7.B.0....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.M.W.S.A.4.Y.1.4.6.5.5.9........BO..NO........o.W.D.C. .W.D.1.0.E.Z.E.X.-.0.0.W.N.4.A.0....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.C.W.6.C.0.Y.R.S.N.D.9.R........BO
    Boot0002* CD/DVD Drive     BBS(CDROM,,0x0)..GO..NO........o.T.S.S.T.c.o.r.p. .C.D.D.V.D.W. .S.H.-.2.2.4.G.B....................A...........................>..Gd-.;.A..MQ..L.1.S.U.D.Y.6.H.D.0.3.1.0.Y.P. . . . . . ........BO
    Boot0004* Unknown Device     BBS(8,,0x0)..GO..NO..........G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.F....................A...............................................<..Gd-.;.A..MQ..L.G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.F........BO..NO..........G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.O.M.B.O....................A....................................................B..Gd-.;.A..MQ..L.G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.O.M.B.O........BO
    Boot0005* UEFI: Built-in EFI Shell     VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO
    Boot0006* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0007* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0008* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0009* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000A* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000B* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000D* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000E* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000F* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0010* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0012* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0013* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0014* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0015* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0016* Unknown Device     BBS(9,,0x0)..GO..NO........{.T.O.S.H.I.B.A. .U.S.B. .F.L.A.S.H. .D.R.I.V.E. .P.M.A.P....................A.......................N..Gd-.;.A..MQ..L.T.O.S.H.I.B.A. .U.S.B. .F.L.A.S.H. .D.R.I.V.E. .P.M.A.P........BO
    Boot0017* UEFI: TOSHIBA USB FLASH DRIVE PMAP    PciRoot(0x0)/Pci(0x12,0x2)/USB(0,0)/HD(1,MBR,0x51a166,0x800,0x745d800)..BO
    This session has been detected as 'live' because df -Th / contains overlay
    
    85fa9d77b929ec4231aba29476574eb6   sda1/BOOT/fbx64.efi
    469e608783843a701d172242f016c79c   sda1/BOOT/mmx64.efi
    fa1bf1a7f90a852abe0bdbd089b7f1b0   sda1/ubuntu/grubx64.efi
    469e608783843a701d172242f016c79c   sda1/ubuntu/mmx64.efi
    728124f6ec8e22fbdbe7034812c81b95   sda1/ubuntu/shimx64.efi
    728124f6ec8e22fbdbe7034812c81b95   sda1/BOOT/BOOTX64.efi
    
    
    ============================= Drive/Partition Info =============================
    
    Disks info: ____________________________________________________________________
    
    sda    : is-GPT,    no-BIOSboot,    has---ESP,     not-usb,    not-mmc, no-os,    2048 sectors * 512 bytes
    sdb    : notGPT,    no-BIOSboot,    has-noESP,     not-usb,    not-mmc, no-os,    2048 sectors * 512 bytes
    
    Partitions info (1/3): _________________________________________________________
    
    sda1    : no-os,    32, nopakmgr,    no-docgrub,    nogrub,    nogrubinstall,    no-grubenv,    noupdategrub,    not-far
    sdb1    : no-os,    32, nopakmgr,    no-docgrub,    nogrub,    nogrubinstall,    no-grubenv,    noupdategrub,    farbios
    sda2    : no-os,    32, nopakmgr,    no-docgrub,    nogrub,    nogrubinstall,    no-grubenv,    noupdategrub,    farbios
    
    Partitions info (2/3): _________________________________________________________
    
    sda1    : is---ESP,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot
    sdb1    : isnotESP,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot
    sda2    : isnotESP,    part-has-no-fstab,    no-nt,    no-winload,    no-recov-nor-hid,    no-bmgr,    notwinboot
    
    Partitions info (3/3): _________________________________________________________
    
    sda1    : not-sepboot,    no-boot,    part-has-no-fstab,    not-sep-usr,    no---usr,    part-has-no-fstab,    std-grub.d,    sda
    sdb1    : maybesepboot,    no-boot,    part-has-no-fstab,    not-sep-usr,    no---usr,    part-has-no-fstab,    std-grub.d,    sdb
    sda2    : maybesepboot,    no-boot,    part-has-no-fstab,    not-sep-usr,    no---usr,    part-has-no-fstab,    std-grub.d,    sda
    
    fdisk -l (filtered): ___________________________________________________________
    
    Disk sda: 465.78 GiB, 500107862016 bytes, 976773168 sectors
    Disk identifier: 1EE12332-F085-4487-A86F-E98C52F9E310
            Start       End   Sectors   Size Type
    sda1     2048   1050623   1048576   512M EFI System
    sda2  1050624 976771071 975720448 465.3G Linux filesystem
    Disk sdb: 931.53 GiB, 1000204886016 bytes, 1953525168 sectors
    Disk identifier: 0x97e94969
          Boot Start        End    Sectors   Size Id Type
    sdb1        2048 1953523711 1953521664 931.5G 83 Linux
    Disk sde: 58.19 GiB, 62474158080 bytes, 122019840 sectors
    Disk identifier: 0x0051a166
          Boot Start       End   Sectors  Size Id Type
    sde1  *     2048 122019839 122017792 58.2G  c W95 FAT32 (LBA)
    
    parted -lm (filtered): _________________________________________________________
    
    sda:500GB:scsi:512:512:gpt:ATA WDC WD5000AAKS-0:;
    1:1049kB:538MB:537MB:fat32:EFI System Partition:boot, esp;
    2:538MB:500GB:500GB:::;
    sdb:1000GB:scsi:512:4096:msdos:ATA WDC WD10EZEX-00W:;
    1:1049kB:1000GB:1000GB:ext4::;
    sde:62.5GB:scsi:512:512:msdos:TOSHIBA USB FLASH DRIVE:;
    1:1049kB:62.5GB:62.5GB:fat32::boot, lba;
    
    blkid (filtered): ______________________________________________________________
    
    NAME   FSTYPE   UUID                                 PARTUUID                             LABEL       PARTLABEL
    sda                                                                                                   
    ├─sda1 vfat     DF43-7186                            99ae749a-fcad-4a82-8958-9d653526689d             EFI System Partition
    └─sda2                                               5065695f-a9f6-4c52-bccb-460b7d8a4d12             
    sdb                                                                                                   
    └─sdb1 ext4     a69a39ff-b678-4beb-a0fd-fb65058beb10 97e94969-01                          YaQue       
    sde                                                                                                   
    └─sde1 vfat     16F8-2A50                            0051a166-01                          UBUNTU 20_0 
    
    df (filtered): _________________________________________________________________
    
                       Avail Use% Mounted on
    sda1              505.8M   1% /mnt/boot-sav/sda1
    sdb1              289.5G  63% /mnt/boot-sav/sdb1
    sde1               55.3G   5% /cdrom
    
    Mount options: __________________________________________________________________
    
    sda1              rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro
    sdb1              rw,relatime
    sde1              ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro
    
    ===================== sda1/efi/ubuntu/grub.cfg (filtered) ======================
    
    search.fs_uuid e752a32c-d61c-4773-b80f-b7892db1ea39 root hd0,gpt2 
    set prefix=($root)'/boot/grub'
    configfile $prefix/grub.cfg
    
    ====================== sde1/boot/grub/grub.cfg (filtered) ======================
    
    Ubuntu
    Ubuntu (safe graphics)
    OEM install (for manufacturers)
    Boot from next volume
    UEFI Firmware Settings
    
    ========================= sde1/syslinux.cfg (filtered) =========================
    
    DEFAULT loadconfig
    
    LABEL loadconfig
      CONFIG /isolinux/isolinux.cfg
      APPEND /isolinux/
    
    ==================== sde1: Location of files loaded by Grub ====================
    
               GiB - GB             File                                 Fragment(s)
                ?? = ??             boot/grub/grub.cfg                             1
    
    ================== sde1: Location of files loaded by Syslinux ==================
    
               GiB - GB             File                                 Fragment(s)
                ?? = ??             syslinux.cfg                                   1
                ?? = ??             ldlinux.sys                                    1
    
    
    ======================== Unknown MBRs/Boot Sectors/etc =========================
    
    Unknown BootLoader on sda2
    
    00000000  70 95 75 00 00 00 00 00  f8 97 75 00 00 00 00 00  |p.u.......u.....|
    00000010  80 9a 75 00 00 00 00 00  a8 9d 75 00 00 00 00 00  |..u.......u.....|
    00000020  88 a0 75 00 00 00 00 00  00 a3 75 00 00 00 00 00  |..u.......u.....|
    00000030  70 a6 75 00 00 00 00 00  f8 a8 75 00 00 00 00 00  |p.u.......u.....|
    00000040  80 ab 75 00 00 00 00 00  f8 ae 75 00 00 00 00 00  |..u.......u.....|
    00000050  28 b2 75 00 00 00 00 00  00 b5 75 00 00 00 00 00  |(.u.......u.....|
    00000060  88 b7 75 00 00 00 00 00  78 b9 75 00 00 00 00 00  |..u.....x.u.....|
    00000070  78 bb 75 00 00 00 00 00  68 be 75 00 00 00 00 00  |x.u.....h.u.....|
    00000080  c0 c0 75 00 00 00 00 00  68 c4 75 00 00 00 00 00  |..u.....h.u.....|
    00000090  40 c7 75 00 00 00 00 00  20 ca 75 00 00 00 00 00  |@.u..... .u.....|
    000000a0  90 cc 75 00 00 00 00 00  e8 ce 75 00 00 00 00 00  |..u.......u.....|
    000000b0  e8 d1 75 00 00 00 00 00  18 d4 75 00 00 00 00 00  |..u.......u.....|
    000000c0  48 d6 75 00 00 00 00 00  78 d8 75 00 00 00 00 00  |H.u.....x.u.....|
    000000d0  68 da 75 00 00 00 00 00  00 f2 75 00 00 00 00 00  |h.u.......u.....|
    000000e0  80 f4 75 00 00 00 00 00  70 f6 75 00 00 00 00 00  |..u.....p.u.....|
    000000f0  70 f8 75 00 00 00 00 00  18 fc 75 00 00 00 00 00  |p.u.......u.....|
    00000100  f0 fe 75 00 00 00 00 00  d0 01 76 00 00 00 00 00  |..u.......v.....|
    00000110  40 04 76 00 00 00 00 00  98 06 76 00 00 00 00 00  |@.v.......v.....|
    00000120  98 09 76 00 00 00 00 00  c8 0b 76 00 00 00 00 00  |..v.......v.....|
    00000130  f8 0d 76 00 00 00 00 00  28 10 76 00 00 00 00 00  |..v.....(.v.....|
    00000140  18 12 76 00 00 00 00 00  70 15 76 00 00 00 00 00  |..v.....p.v.....|
    00000150  f0 17 76 00 00 00 00 00  e0 19 76 00 00 00 00 00  |..v.......v.....|
    00000160  38 1d 76 00 00 00 00 00  b8 1f 76 00 00 00 00 00  |8.v.......v.....|
    00000170  e8 21 76 00 00 00 00 00  18 24 76 00 00 00 00 00  |.!v......$v.....|
    00000180  48 26 76 00 00 00 00 00  38 28 76 00 00 00 00 00  |H&v.....8(v.....|
    00000190  38 2a 76 00 00 00 00 00  90 2d 76 00 00 00 00 00  |8*v......-v.....|
    000001a0  70 30 76 00 00 00 00 00  38 32 76 00 00 00 00 00  |p0v.....82v.....|
    000001b0  40 36 76 00 00 00 00 00  18 39 76 00 00 00 00 00  |@6v......9v.....|
    000001c0  a8 3b 76 00 00 00 00 00  18 3e 76 00 00 00 00 00  |.;v......>v.....|
    000001d0  70 40 76 00 00 00 00 00  38 43 76 00 00 00 00 00  |p@v.....8Cv.....|
    000001e0  c0 4c 76 00 00 00 00 00  18 50 76 00 00 00 00 00  |.Lv......Pv.....|
    000001f0  98 52 76 00 00 00 00 00  c8 54 76 00 00 00 00 00  |.Rv......Tv.....|
    00000200
    
    
    ========= Devices which don't seem to have a corresponding hard drive ==========
    
    sdc sdd 
    
    =============================== StdErr Messages ================================
    
    File descriptor 63 (pipe:[86327]) leaked on lvs invocation. Parent PID 16359: /bin/bash
      /dev/sdc: open failed: No medium found
      /dev/sdd: open failed: No medium found
      /dev/sdc: open failed: No medium found
      /dev/sdd: open failed: No medium found
    
    Error code 12
    mount -r /dev/sda2 /mnt/boot-sav/sda2
    
    mount -r /dev/sda2 : Error code 12
    Error code 12
    mount -r /dev/sda2 /mnt/boot-sav/sda2
    
    mount -r /dev/sda2 : Error code 12
    Suggested repair: ______________________________________________________________
    
    The default repair of the Boot-Repair utility would not act on the boot.

    Thanks for any help.

    Matteo
    Last edited by oldfred; December 3rd, 2021 at 05:04 PM. Reason: Please use code tags for longer terminal ouput

  2. #2
    Join Date
    Jun 2009
    Location
    SW Forida
    Beans
    Hidden!
    Distro
    Ubuntu

    Re: Stuck on GRUB on startup

    Please use Code tags for terminal or longer text output.
    Easy to add with # icon in Forum's advanced editor.
    I changed your quote tags to code tags.

    What was sda2? Does not even show as ext4, so cannot run fsck.
    Was this an LVM install with encryption?
    Your grub boot entry is looking for an UUID, drive hd0,gpt2 that does not exist. That would be sda2?

    Separately have have many duplicate UUID boot entries.
    Years ago some hardware crashed with too many entries. But still best not to have many duplicates that are not needed.
    I would delete all but one of those.

    # from liveDVD or flash booted in UEFI mode and use efibootmgr
    sudo efibootmgr -v
    The "-v" option displays all the entries so you can confirm you're deleting the right one, and then you use the combination of "-b ####" (to specify the entry) and "-B" (to delete it). With Ubuntu you need sudo, others must be at root. some need all 4 hex chars, others only need significant digits
    sudo efibootmgr -b XXXX -B
    man efibootmgr
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  3. #3
    Join Date
    Jan 2014
    Beans
    7

    Re: Stuck on GRUB on startup

    Thank you so much and sorry for misusing the tags.
    I am sorry but I am not sure I can answer your questions about sda2. I know I have two physical HDs.
    Question: I am currently booted with the liveDVD. I currently see one of the two HD I mentioned above (the one I use for the data - the other line in the picture below is the pen-drive with the liveDBD). I can't see the one where ubuntu is installed. I am starting to fear this is a case of a HD failure, is it possible?




    This is the result of sudo efibootmgr -v :

    Code:
    BootCurrent: 0017
    Timeout: 1 seconds
    BootOrder: 0000,0006,0007,0008,0009,000A,000B,000D,000E,000F,0010,0012,0013,0014,0015,0017,0016,0001,0002,0004,0005
    Boot0000* ubuntu    HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)/File(\EFI\UBUNTU\SHIMX64.EFI)
    Boot0001* Hard Drive     BBS(HD,,0x0)..GO..NO........o.W.D.C. .W.D.5.0.0.0.A.A.K.S.-.0.0.A.7.B.0....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.M.W.S.A.4.Y.1.4.6.5.5.9........BO..NO........o.W.D.C. .W.D.1.0.E.Z.E.X.-.0.0.W.N.4.A.0....................A...........................>..Gd-.;.A..MQ..L. . . . .W. .-.D.C.W.6.C.0.Y.R.S.N.D.9.R........BO
    Boot0002* CD/DVD Drive     BBS(CDROM,,0x0)..GO..NO........o.T.S.S.T.c.o.r.p. .C.D.D.V.D.W. .S.H.-.2.2.4.G.B....................A...........................>..Gd-.;.A..MQ..L.1.S.U.D.Y.6.H.D.0.3.1.0.Y.P. . . . . . ........BO
    Boot0004* Unknown Device     BBS(8,,0x0)..GO..NO..........G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.F....................A...............................................<..Gd-.;.A..MQ..L.G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.F........BO..NO..........G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.O.M.B.O....................A....................................................B..Gd-.;.A..MQ..L.G.e.n.e.r.i.c. .F.l.a.s.h. .H.S.-.C.O.M.B.O........BO
    Boot0005* UEFI: Built-in EFI Shell     VenMedia(5023b95c-db26-429b-a648-bd47664c8012)..BO
    Boot0006* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0007* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0008* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0009* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000A* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000B* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000D* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000E* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot000F* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0010* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0012* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0013* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0014* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0015* UEFI: WDC WD5000AAKS-00A7B0    PciRoot(0x0)/Pci(0x11,0x0)/Sata(0,65535,0)/HD(1,GPT,99ae749a-fcad-4a82-8958-9d653526689d,0x800,0x100000)..BO
    Boot0016* Unknown Device     BBS(9,,0x0)..GO..NO........{.T.O.S.H.I.B.A. .U.S.B. .F.L.A.S.H. .D.R.I.V.E. .P.M.A.P....................A.......................N..Gd-.;.A..MQ..L.T.O.S.H.I.B.A. .U.S.B. .F.L.A.S.H. .D.R.I.V.E. .P.M.A.P........BO
    Boot0017* UEFI: TOSHIBA USB FLASH DRIVE PMAP    PciRoot(0x0)/Pci(0x12,0x2)/USB(0,0)/HD(1,MBR,0x51a166,0x800,0x745d800)..BO
    Attached Images Attached Images
    Last edited by Matteo_Castagna; December 3rd, 2021 at 06:10 PM.

  4. #4
    Join Date
    Jan 2014
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    7

    Re: Stuck on GRUB on startup

    Actually this doesn't seem the case.
    The "Ubuntu disk" seems healthy.



    Attached Images Attached Images

  5. #5
    Join Date
    Jan 2014
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    7

    Re: Stuck on GRUB on startup

    This might be the problem.

    Attached Images Attached Images

  6. #6
    Join Date
    Jun 2009
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    SW Forida
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    Ubuntu

    Re: Stuck on GRUB on startup

    First suggestion is Disks & Smart Status or running Smart Status itself.
    So drive looks ok.

    I would not expect this to show anything different but you can try it. With gpt it looks at primary & backup partition tables.
    sudo gdisk -l /dev/sda

    That then does testdisk show?
    Does it correct see a second partition on sda?

    https://help.ubuntu.com/community/DataRecovery &
    http://www.cgsecurity.org/wiki/TestDisk
    repairs including testdisk info & links
    https://help.ubuntu.com/community/Da...Lost_Partition
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  7. #7
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    Jan 2014
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    7

    Re: Stuck on GRUB on startup

    The quick SMART test returned all OKs.
    I am now running the longer one.

    The sudo gdisk -l /dev/sda returns:

    Code:
    ubuntu@ubuntu:~$ sudo gdisk -l /dev/sda
    GPT fdisk (gdisk) version 1.0.5
    
    Partition table scan:
      MBR: protective
      BSD: not present
      APM: not present
      GPT: present
    
    Found valid GPT with protective MBR; using GPT.
    Disk /dev/sda: 976773168 sectors, 465.8 GiB
    Model: WDC WD5000AAKS-0
    Sector size (logical/physical): 512/512 bytes
    Disk identifier (GUID): 1EE12332-F085-4487-A86F-E98C52F9E310
    Partition table holds up to 128 entries
    Main partition table begins at sector 2 and ends at sector 33
    First usable sector is 34, last usable sector is 976773134
    Partitions will be aligned on 2048-sector boundaries
    Total free space is 4077 sectors (2.0 MiB)
    
    Number  Start (sector)    End (sector)  Size       Code  Name
       1            2048         1050623   512.0 MiB   EF00  EFI System Partition
       2         1050624       976771071   465.3 GiB   8300

  8. #8
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    Jun 2009
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    Ubuntu

    Re: Stuck on GRUB on startup

    Partition table then looks ok.

    Usually errors still show ext4, and then you can run fsck to repair it.
    But if not seen as ext4, fsck will not work.

    Does testdisk show anything?
    Do you have good backups.

    Many here say if it takes more than an hour or two to fix, better to just reinstall & restore from backups.
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  9. #9
    Join Date
    Jan 2014
    Beans
    7

    Re: Stuck on GRUB on startup

    I *should* have good backups, but I normally limit them to data/documents I care the most.
    Reinstalling everything, adjusting all the minor things according to my taste, reinstalling all the applications and re-do the various settings is really something I would like to avoid.
    I am happy to wait for the SMART Data & Self-tests to finish. I will let it run overnight if it's needed.

    By the way, thanks you so much for assisting me!

  10. #10
    Join Date
    Jun 2009
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    Ubuntu

    Re: Stuck on GRUB on startup

    If you have backed up a list of installed apps, then it is easy to reinstall them.
    My rsync includes an export of the installed apps into /home.
    And all user settings are in /home. I do edit a few files in /etc for system wide settings, but copy those into /home or have scripted an update to them.
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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