Internet randomly stopped working in various parts of the house

TYTSoldier

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Jun 6, 2012
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It's working on the computer hooked up to the modem and a router hooked up to an Ethernet port, but other ethernet outlets in my house are no longer working. A router on the other side of the house isn't letting me connect and neither is my PC which is hooked into a wall Ethernet port. Is there any reason why some wall Ethernet outlets would just stop working and is there anything I can do to fix it?
 

TYTSoldier

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Jun 6, 2012
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I reconnected everything, so my guess is that it's probably not the LAN connector. What exactly is LAN crimping?