| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="ts_win7-guest-usb3-support">
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| 4 | <title>No USB 3.0 Support in Windows 7 Guests</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>
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| 8 | If a Windows 7 or Windows Server 2008 R2 guest is configured for
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| 9 | USB 3.0 (xHCI) support, the guest OS will not have any USB
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| 10 | support at all. This happens because Windows 7 predates USB 3.0
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| 11 | and therefore does not ship with any xHCI drivers. Microsoft
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| 12 | also does not offer any vendor-provided xHCI drivers through
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| 13 | Windows Update.
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| 14 | </p>
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| 15 | <p>
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| 16 | To solve this problem, it is necessary to download and install
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| 17 | the Intel xHCI driver in the guest. Intel offers the driver as
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| 18 | the USB 3.0 eXtensible Host Controller (xHCI) driver for Intel 7
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| 19 | Series/C216 chipsets.
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| 20 | </p>
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| 21 | <p>
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| 22 | Note that the driver only supports Windows 7 and Windows Server
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| 23 | 2008 R2. The driver package includes support for both 32-bit and
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| 24 | 64-bit OS variants.
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| 25 | </p>
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| 26 | </body>
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| 27 |
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| 28 | </topic>
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