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Serial Numbers not working for registration


Bought two new Blackwidow Ultimate keyboards today, and I can not register either one of them, says item serial number unknown... ?
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2 Replies

  • Author
  • 1 reply
  • May 13, 2019
I guess if you put an 0 instead of an O, it might work....... lol o_O

Hey! Are you still having this issue? Feel free to drop me a PM along with the serial number of your BlackWidow Ultimate so I can have it validated for you.

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