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Thread: UEFI help

  1. #21
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    Re: UEFI help

    ubuntu@ubuntu:~$ sudo gdisk /dev/sda
    GPT fdisk (gdisk) version 0.8.6

    Partition table scan:
    MBR: protective
    BSD: not present
    APM: not present
    GPT: present

    Found valid GPT with protective MBR; using GPT.

    Command (? for help): w

    Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
    PARTITIONS!!

    Do you want to proceed? (Y/N): Y
    OK; writing new GUID partition table (GPT) to /dev/sda.
    Warning! An error was reported when writing the partition table! This error
    MIGHT be harmless, or the disk might be damaged! Checking it is advisable.

    Command (? for help): v

    No problems found. 5067 free sectors (2.5 MiB) available in 3
    segments, the largest of which is 2048 (1024.0 KiB) in size.

    Command (? for help): i
    Partition number (1-5): 1
    Partition GUID code: C12A7328-F81F-11D2-BA4B-00A0C93EC93B (EFI System)
    Partition unique GUID: CC17E3D7-FB34-45F0-AD03-8ECEA7E2EBFD
    First sector: 2048 (at 1024.0 KiB)
    Last sector: 411647 (at 201.0 MiB)
    Partition size: 409600 sectors (200.0 MiB)
    Attribute flags: 8000000000000000
    Partition name: 'EFI system partition'

    Command (? for help): i
    Partition number (1-5): 2
    Partition GUID code: E3C9E316-0B5C-4DB8-817D-F92DF00215AE (Microsoft reserved)
    Partition unique GUID: EAAFCDA5-635F-4ED2-9843-97D693650CA0
    First sector: 411648 (at 201.0 MiB)
    Last sector: 673791 (at 329.0 MiB)
    Partition size: 262144 sectors (128.0 MiB)
    Attribute flags: 8000000000000000
    Partition name: 'Microsoft reserved partition'

    Command (? for help): i
    Partition number (1-5): 3
    Partition GUID code: EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 (Microsoft basic data)
    Partition unique GUID: 069A8FCB-C6B0-4132-B647-3FACEE23BE88
    First sector: 673792 (at 329.0 MiB)
    Last sector: 782084095 (at 372.9 GiB)
    Partition size: 781410304 sectors (372.6 GiB)
    Attribute flags: 0000000000000000
    Partition name: 'Basic data partition'

    Command (? for help): i
    Partition number (1-5): 4
    Partition GUID code: EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 (Microsoft basic data)
    Partition unique GUID: 9AB47C3E-118F-4A65-A1A4-C4F41572A345
    First sector: 782084096 (at 372.9 GiB)
    Last sector: 1902323711 (at 907.1 GiB)
    Partition size: 1120239616 sectors (534.2 GiB)
    Attribute flags: 0000000000000000
    Partition name: 'Basic data partition'

    Command (? for help): i
    Partition number (1-5): 5
    Partition GUID code: EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 (Microsoft basic data)
    Partition unique GUID: 953E9D96-8916-4F33-8137-8BC9999A2220
    First sector: 1902325760 (at 907.1 GiB)
    Last sector: 1953524129 (at 931.5 GiB)
    Partition size: 51198370 sectors (24.4 GiB)
    Attribute flags: 0000000000000000
    Partition name: 'Basic data partition'

    PS: Windows still doesn't boot
    Last edited by SimonaZ; March 11th, 2013 at 11:26 PM.

  2. #22
    Join Date
    Jun 2009
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    Re: UEFI help

    Rerun BootInfo report.

    I do not know if it fixed protective MBR partition table and even it that was issue.
    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. #23
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    Mar 2013
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    Re: UEFI help

    Not sure if it's the correct thing but:

    ubuntu@ubuntu:~$ sudo parted /dev/sda unit s print
    Model: ATA ST1000LM024 HN-M (scsi)
    Disk /dev/sda: 1953525168s
    Sector size (logical/physical): 512B/4096B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    1 2048s 411647s 409600s fat32 EFI system partition boot
    2 411648s 673791s 262144s Microsoft reserved partition msftres
    3 673792s 782084095s 781410304s ntfs Basic data partition
    4 782084096s 1902323711s 1120239616s ntfs Basic data partition
    5 1902325760s 1953524129s 51198370s ntfs Basic data partition

    ubuntu@ubuntu:~$

  4. #24
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    Re: UEFI help

    That does not show protective MBR.

    This will not show gpt partitions but shows MBR with just its one entry Which should not be larger than hard drive.

    sudo fdisk
    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. #25
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    Mar 2013
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    Re: UEFI help

    Not sure what exactly to type there in, but

    ubuntu@ubuntu:~$ sudo fdisk /dev/sda

    WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


    The device presents a logical sector size that is smaller than
    the physical sector size. Aligning to a physical sector (or optimal
    I/O) size boundary is recommended, or performance may be impacted.

    Command (m for help): m
    Command action
    a toggle a bootable flag
    b edit bsd disklabel
    c toggle the dos compatibility flag
    d delete a partition
    l list known partition types
    m print this menu
    n add a new partition
    o create a new empty DOS partition table
    p print the partition table
    q quit without saving changes
    s create a new empty Sun disklabel
    t change a partition's system id
    u change display/entry units
    v verify the partition table
    w write table to disk and exit
    x extra functionality (experts only)

    Command (m for help): p

    Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
    256 heads, 63 sectors/track, 121126 cylinders, total 1953525168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x2902cc6d

    Device Boot Start End Blocks Id System
    /dev/sda1 1 4294967295 2147483647+ ee GPT
    Partition 1 does not start on physical sector boundary.

  6. #26
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    Re: UEFI help

    It did not change.

    Does gparted show partitions correctly. I might just try a very minor change or just shrink one partition by a small amount.
    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.







  7. #27
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    Re: UEFI help



    What do you mean shrink one partition?
    Which exactly?
    sda1? Will shrinking it by one mb suffice?

  8. #28
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    Re: UEFI help

    I would use sda4 as it is the largest and not very full. And as the test to see if gparted will rewrite protective MBR, a 1MB shrink should be enough.
    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.







  9. #29
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    Mar 2013
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    Re: UEFI help

    Resized by 8mb. Didn't help

    I'm starting to give up

  10. #30
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    Re: UEFI help

    Rerun Boot-Repair and post a new link to BootInfo report.
    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.







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