Asrock z68 pro 3

mmels

Distinguished
Aug 5, 2011
2
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18,510
i bought m.b asrock z68 pro 3 the problem is its not access to the internet with my cable its length 90 meter after setup lan it gives me signal x on lan although my the older m.b lga 775 gigabyte pl 945 s3p has worked with no problem what should i do to Convince the dealer with that problem.
if there is any solution to do ?