The vista of the new system, plug without Response Network Line

The new vista system (windows vista ulimate), plug-free response line network, linking the region or fork, the cable did not play a good show, I ask how how to set.Please, before people get to the last, and redo the system on the way .Who can help me solve Thank you

I do not know if I am to 1 Shuafen to check whether the damaged cable
2, check cable on the other side of the power connector.for a good (in other normal computer use) cable to try.