My apologies for misreading your post. OK, so these controllers work fine with no HDD attached, correct? What if you use a different HDD on your console? Have you also tried your controllers on a different console to see if they work? If so, you may need a repair or a replacement of your HDD. You can start the repair process online (support.xbox.com/.../repair-process) if you go that route. Let me know if this helps, thanks!