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Thread: SSD not detected.

  1. #1
    Join Date
    Jan 2015
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    4

    Post SSD not detected.

    Hi I'm new to Ubuntu (yesterday new). I installed Ubuntu 14.10LTS on my Lenovo yoga 2 11 and was able to get some things working like wifi and brightness but I have a slight problem that has been bugging me. I installed Ubuntu on my HDD but I can't seem to access my SSD; I can't see my SSD in my left window pane or in "disks". I'd like to have my SSD auto-mount every time I boot my laptop; btw my SSD only contains data - no other OS. Please help (and thanks for reading).

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

    Re: SSD not detected.

    Does BIOS show SSD correctly?
    Post this:
    sudo parted -l
    sudo fdisk -lu
    For info on UEFI boot install & repair:
    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
    Jun 2006
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    564

    Re: SSD not detected.

    Open a terminal and give use the output of the following command:

    sudo fdisk -l

    (That's a lower-case L)
    Ubuntu 14.04 x64, Core i7 4770k, 8Gb RAM, Nvidia Gtx 650, Sandisk Extreme 120 SSD.

  4. #4
    Join Date
    Jan 2015
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    4

    Re: SSD not detected.

    sudo parted -l :

    Code:
    josh@josh-Lenovo-Yoga-2-11:~$ sudo parted -l
    [sudo] password for josh: 
    Model: ATA WDC WD5000MPCK-2 (scsi)
    Disk /dev/sda: 500GB
    Sector size (logical/physical): 512B/4096B
    Partition Table: gpt
    
    
    Number  Start   End    Size    File system     Name  Flags
     1      1049kB  538MB  537MB   fat32                 boot
     2      538MB   496GB  495GB   ext4
     3      496GB   500GB  4172MB  linux-swap(v1)
    sudo fdisk -lu:

    Code:
    josh@josh-Lenovo-Yoga-2-11:~$ sudo fdisk -lu
    [sudo] password for josh: 
    
    
    WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
    
    
    
    
    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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: 0x219c8c9c
    
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1               1   976773167   488386583+  ee  GPT
    Partition 1 does not start on physical sector boundary.
    josh@josh-Lenovo-Yoga-2-11:~$
    sudo fdisk -l:

    Code:
    josh@josh-Lenovo-Yoga-2-11:~$ sudo fdisk -l
    
    
    WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
    
    
    
    
    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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: 0x219c8c9c
    
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1               1   976773167   488386583+  ee  GPT
    Partition 1 does not start on physical sector boundary.
    josh@josh-Lenovo-Yoga-2-11:~$

    Sorry it took me a long time to reply, I was out.

  5. #5
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: SSD not detected.

    It only shows the 500GB drive. I assume that is not the SSD?

    Does BIOS show drive?
    Or is SSD an external drive?
    For info on UEFI boot install & repair:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  6. #6
    Join Date
    Jan 2015
    Beans
    4

    Re: SSD not detected.

    I'm not sure where to find the SSD in BIOS. It's not an external SSD drive either. When I was running Ubuntu from my usb (created with lili usb creator) It showed my SSD on the left pane, but when I installed Ubuntu it did not show. I thought it was a 25gb SSD but from the manufacturer site it shows 16gb: http://shop.lenovo.com/ca/en/laptops...-11/#techspecs

    In BIOS it seems to be using AHCI for drives, is that good or bad? What else could I try?

  7. #7
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: SSD not detected.

    AHCI is required for SSD, for trim to work.

    Is this a new M.2 type SSD that is plugged/soldered directly into motherboard?
    But it should still be shown in BIOS. It should show all hard drives by model.

    The small SSD are used by vendors to meet the Windows requirement of quicker booting. That is now why Windows uses fast boot or always on hibernation. And then the hibernation file is on the SSD. That often is Intel SRT or similar Intel based configuration.

    Intel Smart Response Technology
    http://mjg59.dreamwidth.org/26022.html
    For GPT systems, this needs to have a type GUID of D3BFE2DE-3DAF-11DF-BA-40-E3A556D89593.
    For MBR systems, you need a partition type of 0x84[2].
    http://www.intel.com/p/en_US/support...ts/chpsts/imsm
    http://software.intel.com/en-us/arti...art-technology
    http://download.intel.com/support/mo...user_guide.pdf
    Some general info in post #3
    http://ubuntuforums.org/showthread.php?t=2071242
    For info on UEFI boot install & repair:
    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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