iMac G5- ethernet port won't work

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iMac G5- ethernet port won't work

I have an iMac G5 1.8 running OSX 10.4.11 and suddenly the computer won't recognize something plugged into the ethernet port. The computer and modem were off and unplugged for a couple of weeks. When I fired everything up, all is good except this. The ethernet light on the modem isn't on, pages don't load, and when I run the network diagnostic it tells me nothing is plugged into the ethernet port. I've restarted numerous times (both computer and modem), tried a different cord, and yes, even jiggled the cord a bit. Any suggestions?

iMac G5, Mac OS X (10.4.11)

Posted on Jul 14, 2009 7:27 AM

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Answer 1

Jul 14, 2009 8:20 AM in response to Eric Krimmel

What is the ethernet cable connected to at the other end? Any chance that device is defective?

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Answer 2

Eric Krimmel Author

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Jul 14, 2009 6:50 PM in response to DaddyPaycheck

There is a CAT 5 ethernet cable running from the modem to the computer. The power, DSL and internet lights on the modem all come on recognizing a signal, but the ethernet light doesn't come on. Network diagnostic tells me that nothing is plugged into the ethernet port.

Update: I've tried a different modem, one that I know works on another computer, and the CAT 5 cable that goes with that modem and it didn't do any good. The computer is still not recognizing that there is something plugged into the ethernet port. Then I did a Preserve and Re-install of the OS going back to 10.4 and that didn't work either. From the install disk I ran Apple's hardware test and everything checked out okay, but still no luck.

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Answer 3

Cyclone

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Jul 28, 2009 5:16 PM in response to Eric Krimmel

So, the modem is not seeing the computer? My first step would be to call customer support for the cable/ISP provider to rule out anything on their end.

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