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Thread: Grub Rescue - cant boot anything

  1. #1
    Join Date
    Oct 2013
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    Question Grub Rescue - cant boot anything

    I tried to install Ubuntu 13.04 alongside Windows 7 on my HP laptop today. All was well, until I rebooted and was greeted with a command line called grub rescue, saying no such device. I know this issue has been posted before, but none of their answers have helped. I know that the install was going to be interesting, as my laptop has two hard drives, a 32GB SSD called the 'OS', and I think its running Intel's RAID. Then the other harddrive is for personal stuff.
    I was able to run the live usb again and follow some tutorials to reinstall grub, and run the boot-fixer program with apparent success, untill I reboot and found myself in the grub rescue command line. Ive also tried to run a windows recovery disk, but it doesnt work (Gets stuck on "Start Boot from usb")
    One more thing, I noticed that the partitons are seperated like so...
    dev/sda (i think) Windows
    -sda1
    -sda2
    and
    dev/sdb (i think) Ubuntu
    -sdb1 This one I think is the problem, as it says its a 'OS/2' Hidden C: Storage
    -...
    -sdb5 This one (i think) is the main Ubuntu Drive
    To sum up, basicly is there a thing I may have missed or something I havent tried yet that may get (at least) Windows going again and (if Im lucky) Ubuntu.
    I dont have anything important on the Linux Partition.
    Thanks heaps for your help,
    Liam

  2. #2
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Grub Rescue - cant boot anything

    Your sdb, the SSD is not really OS/2 partition type, but is the Intel SRT which somehow uses RAID that causes grub to not install. Desktop installer does not support RAID (you need server for RAID). Most turn off the Intel SRT in Windows and remove the RAID meta-data since you really have a desktop. Then you can reimplement the Intel SRT and it will readd the meta-data and work.
    Some that want Ubuntu more than faster Windows, just install Ubuntu / (root) to the SSD and never turn on the Intel SRT. Others just install Ubuntu to hard drive. Some with larger SSD have been able to sqeeze a small Ubuntu into part of the SSD and still have the Intel SRT as it does not seem to use all of SSD?

    Brand of computer does not make much difference. It is Windows & Intel SRT.
    Intel Smart Response Technology
    http://www.intel.com/p/en_US/support...ts/chpsts/imsm
    Some general info in post #3
    http://ubuntuforums.org/showthread.php?t=2071242
    ubuntu 12.10 & Windows 8 oem Sony T & Intel SRT
    http://ubuntuforums.org/showthread.php?t=2090605
    Intel SRT - Dell XPS Screen shots of Intel SRT screens & lots of details
    http://ubuntuforums.org/showthread.php?t=2038121
    http://ubuntuforums.org/showthread.php?t=2036204
    Details in post #10 on an install that worked
    http://ubuntuforums.org/showthread.php?t=2020155


    Ubuntu on hard drive, re-enable SRT post #19 details
    http://ubuntuforums.org/showthread.php?t=2129157
    Disable the RAID, it was using the Intel rapid management thingy and telling it to disable the acceleration or the use of the SSD. If you have a different system, just disable the RAID system then install Ubuntu. Once installed you can then re-enable it.
    sudo dmraid -E -r /dev/sda
    sudo dmraid -E -r /dev/sdb
    You will need to use the dmraid command prior to running the Ubuntu Installer so that it will be able to see the partitions on the drive because otherwise with the raid metadata in place it will see the drive as part of a raid set and ignore its partitions.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #3
    Join Date
    Oct 2013
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    Re: Grub Rescue - cant boot anything

    Thanks, so all I have to do, is install ubuntu after ive disabled raid on my SSD. Will reinstalling Ubuntu fix grub?

  4. #4
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: Grub Rescue - cant boot anything

    You can remove RAID meta-data and run Boot-Repair to install grub. Or you can re-install.
    I think Ubuntu installs correctly it just is grub that does not know where to install. It should be in MBR, but with RAID it normally goes into the RAID not MBR. But your RAID is not standard RAID.

    Post the link to the BootInfo report that this creates. Is part of Boot-Repair:
    https://help.ubuntu.com/community/Boot-Info
    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.
    LighterWeight (Lubuntu based) Boot-RepairCD
    http://sourceforge.net/projects/boot-repair-cd/files/
    Full Ubuntu 13.04 liveDVD or USB Flash drive Installer with Boot-Repair included (for newer computers)
    https://help.ubuntu.com/community/LinuxSecureRemix
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  5. #5
    Join Date
    Oct 2013
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    4

    Re: Grub Rescue - cant boot anything

    Theres going to be a whole bunch of other packages to download after you finish the download of Ubuntu 13.04 ; you'd better do them real quick when you first get internet access or else.

  6. #6
    Join Date
    Oct 2013
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    4

    Re: Grub Rescue - cant boot anything

    The Grub should show you a list of commands that it will accept; start going thru the list once you get there.

  7. #7
    Join Date
    Oct 2013
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    3

    Re: Grub Rescue - cant boot anything

    Sweet thanks guys

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