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polaatxFlag for United States of America

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How to check to see if a switch is defective

hello, I've used this Switch before and all i did before was plug in a cat-5 coming in from router to the UPLINK and then plug other computers in and it would work rightaway.

Now I am trying to use the same switch in a new office doing the same thing. But none of the computers are working.

Is there a way to check if the Switch is defective or some way to troubleshoot the problem?
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2PiFL
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Are you using a cross over cable?
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No. Should I? between the switch and each computer?
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misterjoetwo

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misterjoetwo's >>
1.  If it doesn't work in the uplink port, move the router cable to the adjacent port and try again.
That did it for me, which really surprised me. Never got to try LaserSpot's suggestions. Sorry and thanks to everyone for their help.