Look for a small hole on the underside that could be a reset switch, it will look like the tiny hole on the front of a PC DVD drive.
Push something into it to activate the switch, then remove it.
Plug the controller back in and try again.
Edited by X201 at 07:26:19 30-11-2013
#10017525, By X201 upgrading hard drive question
X201 17,399 posts
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