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    W520 USB 3.0 Malfunction

    Discussion in 'Lenovo' started by Devhack, Apr 14, 2011.

  1. Devhack

    Devhack Newbie

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    Also posted to Lenovo Forum.....

    Have Vantec USB 3.0 external hard drive enclosure that is recognized & functional on my W510's USB 3.0 ports (running Win 7 Ult), but not on new W520's 3.0 ports (it is recognized & functional on the 2.0 & combo ports) .

    When on either of the 520's 3.0 ports, the drive does not show up in Windows Explorer, & the only evident indication of malfunction is constant chiming of the Win Pro 64 OS's tone for finding and/or ejection of a device; "Found New Hardware & Installing Driver" never appears.

    I reinstalled the latest 520 USB driver; same result.

    Any ideas as to cause? (Will test another 3.0 external drive over weekend.)
     
    Devhack, Apr 14, 2011
    #1
  2. Thors.Hammer

    Thors.Hammer Notebook Enthusiast

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    When I flattened the W520, I hit a similar issue with a different enclosure. I installed the USB 3.0 drivers from the SWTOOLS directory that came with the system. I have not tried the download website driver, yet.
     
    Thors.Hammer, Apr 14, 2011
    #2
  3. hrana

    hrana Notebook Evangelist

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    That's strange. Have you tried looking in Disk Management by running "compmgmt.msc" to see if the drive shows up once connected via USB3 ports? You could try Thors.Hammer's suggestion too. Let us know how things go.
     
    hrana, Apr 14, 2011
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  4. sxsun

    sxsun Newbie

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    I have the same problem. Did you find out the cause? W520 or external drive?
     
    sxsun, Jun 12, 2011
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  5. lijwing

    lijwing Notebook Enthusiast

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    Try disable the USB 3.0 power managemen functions from Programs-Renesas Electronics. That solved my problem.
     
    lijwing, Jun 12, 2011
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  6. shazzoz

    shazzoz Notebook Consultant

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    Where / How do you do this? I've looked and can't seem to find a place to disable the Power Management Functions for Renesas.

    (I'm having a similar USB 3.0 problem with my new X220 - WD My Passport drives work fine in USB 2.0, but intermittently in 3.0. Lots of things seem to point to a power issue - have put everything I can find on Max Power, turned off things not used (card reader, etc.) - still no fix).
     
    shazzoz, Jun 13, 2011
    #6
  7. bogatyr

    bogatyr Notebook Evangelist

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    It isn't in the power manager or any place like that.

    Start -> All Programs -> Renesas Electronics -> USB 3.0 Host Controller Driver -> USB 3.0 Host Controller Utility

    There is a checkbox in that program, right on the first screen, to disable it.
     
    bogatyr, Jun 13, 2011
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  8. shazzoz

    shazzoz Notebook Consultant

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    Thanks, bogatyr. I don't seem to have the USB 3.0 Host Controller Utility installed ... have been searching to see if I can find it to download - it didn't seem to get installed when I updated the USB 3.0 drivers ...
     
    shazzoz, Jun 13, 2011
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  9. bogatyr

    bogatyr Notebook Evangelist

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    I just use the Thinkvantage System Update to install drivers for our laptops on fresh Windows installs. Came with whatever that installed for the USB 3.0.
     
    bogatyr, Jun 13, 2011
    #9