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Old 02 February 2016, 17:43   #10
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Join Date: Aug 2004
Posts: 2,829
You could look into whether a driver update is available for your Alienware laptop. Also a Windows update/fix might be possible.

One example of an issue (with workaround) that stops certain devices working in USB 3.0 ports is shown at (That's for Windows 8.1 not 7 so probably not the cause of your problem.)

Also another issue at

You could also try connecting the non-working device to your Alienware via a powered USB 2.0 hub.
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