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Thread: No longer see grub menu

  1. #1
    Join Date
    Jul 2011
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    No longer see grub menu

    K so if you know me you know I'm an idiot, but this time it WASN'T my fault:

    So I have grub installed, and it boots fine. But, since I grub-updated after installing windows, it boots automatically into ubuntu. This is fine, but I can no longer use recovery or memtest (should I ever need it). How can I see the grub menu again.

    Extra notes: I have ubuntu 10.10 32bit and I am using grub2

  2. #2
    Join Date
    Jan 2009
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    Re: No longer see grub menu

    Can you show us the output of the boot info script?

    http://bootinfoscript.sourceforge.net/

  3. #3
    Join Date
    Jan 2007
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    Ubuntu Development Release

    Re: No longer see grub menu

    You should be able to display the menu by holding down the SHIFT key during boot.

    For us to help you further, we need more info about your boot files. Please download/extract/run the boot info script and post the contents of the RESULTS.txt file.
    http://bootinfoscript.sourceforge.net
    Back to Xorg...

    Retired.

  4. #4
    Join Date
    Jul 2011
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    90

    Re: No longer see grub menu

    Code:
    Boot Info Script 0.60    from 17 May 2011
    
    
    ============================= Boot Info Summary: ===============================
    
     => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sda and looks at sector 
        1 of the same hard drive for core.img. core.img is at this location and 
        looks in partition 2 for (,msdos2)/boot/grub.
    
    sda1: __________________________________________________________________________
    
        File system:       swap
        Boot sector type:  -
        Boot sector info:  
    
    sda2: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info:  
        Operating System:  Ubuntu 10.10
        Boot files:        /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
    
    ============================ Drive/Partition Info: =============================
    
    Drive: sda _____________________________________________________________________
    
    Disk /dev/sda: 320.1 GB, 320072933376 bytes
    255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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    12,484,607    12,482,560  82 Linux swap / Solaris
    /dev/sda2    *     12,484,608   583,198,719   570,714,112  83 Linux
    
    
    "blkid" output: ________________________________________________________________
    
    Device           UUID                                   TYPE       LABEL
    
    /dev/sda1        2c95d572-3f8a-481b-a72e-8dbac0bf6a47   swap       
    /dev/sda2        4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd   ext4       
    
    ================================ Mount points: =================================
    
    Device           Mount_Point              Type       Options
    
    /dev/sda2        /                        ext4       (rw,errors=remount-ro,commit=0)
    
    
    =========================== sda2/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 $prefix/grubenv ]; then
      set have_grubenv=true
      load_env
    fi
    set default="0"
    if [ "${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 {
      insmod vbe
      insmod vga
    }
    
    insmod part_msdos
    insmod ext2
    set root='(hd0,msdos2)'
    search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    if loadfont /usr/share/grub/unicode.pf2 ; then
      set gfxmode=640x480
      load_video
      insmod gfxterm
    fi
    terminal_output gfxterm
    insmod part_msdos
    insmod ext2
    set root='(hd0,msdos2)'
    search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    set locale_dir=($root)/boot/grub/locale
    set lang=en
    insmod gettext
    if [ "${recordfail}" = 1 ]; then
      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
    ### END /etc/grub.d/05_debian_theme ###
    
    ### BEGIN /etc/grub.d/10_linux ###
    menuentry 'Ubuntu, with Linux 2.6.35-30-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	insmod part_msdos
    	insmod ext2
    	set root='(hd0,msdos2)'
    	search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    	linux	/boot/vmlinuz-2.6.35-30-generic-pae root=UUID=4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd ro   quiet splash
    	initrd	/boot/initrd.img-2.6.35-30-generic-pae
    }
    menuentry 'Ubuntu, with Linux 2.6.35-30-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	insmod part_msdos
    	insmod ext2
    	set root='(hd0,msdos2)'
    	search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    	echo	'Loading Linux 2.6.35-30-generic-pae ...'
    	linux	/boot/vmlinuz-2.6.35-30-generic-pae root=UUID=4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd ro single 
    	echo	'Loading initial ramdisk ...'
    	initrd	/boot/initrd.img-2.6.35-30-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='(hd0,msdos2)'
    	search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    	linux16	/boot/memtest86+.bin
    }
    menuentry "Memory test (memtest86+, serial console 115200)" {
    	insmod part_msdos
    	insmod ext2
    	set root='(hd0,msdos2)'
    	search --no-floppy --fs-uuid --set 4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd
    	linux16	/boot/memtest86+.bin console=ttyS0,115200n8
    }
    ### END /etc/grub.d/20_memtest86+ ###
    
    ### BEGIN /etc/grub.d/30_os-prober ###
    if [ "x${timeout}" != "x-1" ]; then
      if keystatus; then
        if keystatus --shift; then
          set timeout=-1
        else
          set timeout=0
        fi
      else
        if sleep --interruptible 3 ; then
          set timeout=0
        fi
      fi
    fi
    ### END /etc/grub.d/30_os-prober ###
    
    ### 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  $prefix/custom.cfg ]; then
      source $prefix/custom.cfg;
    fi
    ### END /etc/grub.d/41_custom ###
    --------------------------------------------------------------------------------
    
    =============================== sda2/etc/fstab: ================================
    
    --------------------------------------------------------------------------------
    # /etc/fstab: static file system information.
    #
    # Use 'blkid -o value -s UUID' 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/sda2 during installation
    UUID=4b5c4b17-f6fd-47ed-8ef3-6046e07a57bd /               ext4    errors=remount-ro 0       1
    # swap was on /dev/sda1 during installation
    UUID=2c95d572-3f8a-481b-a72e-8dbac0bf6a47 none            swap    sw              0       0
    --------------------------------------------------------------------------------
    
    =================== sda2: Location of files loaded by Grub: ====================
    
               GiB - GB             File                                 Fragment(s)
    
     244.078308105 = 262.077087744  boot/grub/core.img                             1
     150.566524506 = 161.669574656  boot/grub/grub.cfg                             1
       7.336177826 = 7.877160960    boot/initrd.img-2.6.35-30-generic-pae          2
     244.085136414 = 262.084419584  boot/vmlinuz-2.6.35-30-generic-pae             1
       7.336177826 = 7.877160960    initrd.img                                     2
     244.085136414 = 262.084419584  vmlinuz                                        1
    
    ========= Devices which don't seem to have a corresponding hard drive: =========
    
    sdb
    Last edited by drs305; August 10th, 2011 at 07:52 PM. Reason: [code] [/code] tags added for formatting.

  5. #5
    Join Date
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    Re: No longer see grub menu

    Windows isn't installed, so GRUB is set to not being shown (since you only have one OS, you don't have to choose).

    What do you want to do?
    • Install windows OR
    • Show GRUB at boot time?


    You don't really need to see GRUB since you can access it with the SHIFT key when needed.

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