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Thread: Can't use 2 usb connected hard drives simultaneously - Windows 7.

  1. #1
    Join Date
    Nov 2010
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    Melbourne Australia
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    Default Can't use 2 usb connected hard drives simultaneously - Windows 7.

    I have a ACER laptop with Windows 7

    I have two western digital 1.5 TB hard drives connected by USB and when both are connected I can only see one of the HDD's. I can connect and see each provided I only attach one at a time.

    They came from the factory with the same unique ID. Windows thinks it's the same disk.

    If the disk status is Offline and the disk's name changes to Missing, the disk was recently available on the system but can no longer be located or identified.

    The fix:
    >Control Panel
    >Administrative Tools
    >Computer Management
    >Storage
    >Disk Management

    disk 1 should be status "online"

    disk 2 is status is "offline" and right click "Online" should get you back in business until the drives are disconnected.

    The attachment shows disk 2 is now "Online"

    windows 7 with 2 hdd.jpg
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2007
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    Melbourne, Australia
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    11,616

    Default

    If Windows sees them as the same disk, then unfortunately there's nothing Mezzmo can do. I'm surprised that they would have the same "unique" ID though. I'd recommend asking about this on the WD forums as well - it should be a common issue and maybe there's some fix or a firmware update or a setting that can be changed?

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  3. #3
    Join Date
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    Default

    Quote Originally Posted by Dennis View Post
    If Windows sees them as the same disk, then unfortunately there's nothing Mezzmo can do. I'm surprised that they would have the same "unique" ID though. I'd recommend asking about this on the WD forums as well - it should be a common issue and maybe there's some fix or a firmware update or a setting that can be changed?
    Dennis, when you implement my fix outlined below, Mezzmo sees both drives and there are no issues.
    -- this has solved all my Mezzmo and Windows Explorer issues

    Windows Explorer also sees both HDD's and you can transfer files from say E: to F:
    -- if the HDD's are different manufacturers there is no problem.

    I posted this fix because I had problems and it took me a few days to solve the problem.

  4. #4
    Join Date
    Dec 2010
    Location
    Sweden
    Posts
    10

    Default

    Hi
    Using the VolumeID utility from sysinternals might be a solution if same ID causing problems.
    http://technet.microsoft.com/en-us/s.../bb897436.aspx

    To see the current ID use the command vol from the command prompt.
    Are they the same on both drives?
    Last edited by FrankVincent; 12-06-2010 at 09:11 PM.

  5. #5
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
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    11,616

    Default

    Quote Originally Posted by bigdog View Post
    Dennis, when you implement my fix outlined below, Mezzmo sees both drives and there are no issues.
    -- this has solved all my Mezzmo and Windows Explorer issues

    Windows Explorer also sees both HDD's and you can transfer files from say E: to F:
    -- if the HDD's are different manufacturers there is no problem.

    I posted this fix because I had problems and it took me a few days to solve the problem.
    Yes, I understand the fix and thank you for posting that - I'm sure somebody will hit the same issue and will then quickly find your solution.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

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