USB Ports missing Win 7

July 22, 2011 at 12:47:42
Specs: Windows 7
solution for Wont Recognize nor detect attached USB devices, no drive letter appears

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July 22, 2011 at 12:52:41
I¨ve found a solution already for the missing USB drive, Disable and enable in Device Manager.,,and then the " Windows has stopped the device because of a problem ( code 43)", then disappears, and its working again. Thank you , to my self, i just wanted to post if it could help other human beings.

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July 22, 2011 at 13:44:35
There are lots of possible reasons for the problem you had.

Troubleshooting USB device problems including for flash drives, external drives, memory cards.
See Response 1:

External optical drives also require 500ma from the USB port you plug it into.

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