My external hardware say usb device not recognized !!

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yasserhazzaa Posts 1 Registration date Thursday 16 April 2015 Status Member Last seen 16 April 2015 - 16 Apr 2015 à 12:26
xpcman Posts 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 - 16 Apr 2015 à 12:30
when i connect my hardware to usb 3 open and make everything ordinary but when connect it to usb 2 in my lap or in any computer it say " usb device not recognized " i try to change cable but error still happen !
Any help please
thanks for great friends
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1 response

xpcman Posts 19528 Registration date Wednesday 8 October 2008 Status Contributor Last seen 15 June 2019 1,824
16 Apr 2015 à 12:30
You seam to have a problem with a USB 3 device that is not "backward compatible" with USB 2. I would contact the manufacturer to exchange the device.

Good luck