Trouble connecting to ethernet network

For the past 6 months i have been connecting my network via ethernet usin a cat 5e connection.Recently i was at a friends place plugged my laptop into his cat6 cord connection and it worked fine.However when i came back 2 my place and tried to connect to my ethernet connection using my cat 5e cord it was not working. I even brought the cat 6 cord from my friends house back to my room and it worked jus fine with his cat 6 cord and my ethernet connectiong. SO my problem is that the only the cat6 cords works now and the cat5e cord which i had been using since septemeber( on mutilple modem at that) is no longer. Some assistance would be great apprieciated.

Your Ethernet cable is broken.Buy a replacement.
Jim
PowerBook G3 500 Mhz "Pismo"/ 2.0Ghz BlackBook 2GB OWC RAM   Mac OS X (10.4.8)  

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