Question

EMAC Ethernet problem (Cannot connect to the internet)

Asked by: TheUndecider

Hello, I have an EMAC with Tiger OS X 10.4  that I recently bought used.  

I'm trying to connect to the internet, but I get this message in the network status:

"the cable for built-in ethernet cable is connected, but your computer does not have an ip address and cannot connect  to the internet"  I only see this as a blink.  It comes and goes like every second.

When I open the Network Diagonstics I see the Built-in Ethernet has a red dot and it says failed.  However, it changes (blinks) to green for a fraction of a second and then it goes back to red and so on.

I have Comcast cable for internet and I was hoping that with just plugging the cable I was going to be able to connect.  

I have a limited background on Macs, but willing to try anything.  

Here's what I have.
It has Tiger
FireVault proteccion is off
I have created a new location
have tested it with 3 ethernet cables

Ethernet has this in the TCP/IP options:
Configure IPv4 = Using DHCP
No IP address
No subnet Mask

The ethernet Id is 00:14:51:04:db:72
and the configure  drop down is set to automatically

Any ideas would be appreciated.  

Thanks!

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Asked On
2009-09-12 at 11:44:49ID24727055
Tags

mac

Topic

Mac OS 10.4 (Tiger)

Participating Experts
3
Points
500
Comments
5

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Answers

 

by: Philip_SparkPosted on 2009-09-12 at 12:04:03ID: 25317507

Try this switch everything off

Turn on cable modem first
wait till it fully boots

Turn on emac

Try Safari to check if internet working

If not come back

Also it may it useful to know who your isp is for future troubleshooting.

 

by: TheUndeciderPosted on 2009-09-12 at 12:04:38ID: 25317509

Hi again,

In addition, if I go to Apps > Network Utilities > Info I have
hardware address = 00:14:51:ff:fe:04:db:72
IP address= 144.3.8.0
link speed = 0 MB
link status = inactive
vendor = Apple
Model fw+

 

by: TheUndeciderPosted on 2009-09-12 at 12:07:11ID: 25317522

Hi Phillips,

I've tried that and it did not work.  I also took it to my parents home and tested it on their ATT DSL internet access and did not work either.

 

by: strungPosted on 2009-09-12 at 12:08:34ID: 25317527

Could be a problem at the Comcast end. Do they require special software or activation? I would call their tech support.

 

by: mmconsultantPosted on 2009-09-13 at 19:36:29ID: 25322739

Have you tried deleting the Ethernet interface in the Network Control Panel (click on the interface and then click the "minus" button) and then re-adding it by hitting the + (plus) button and selecting it from the drop down?

I would also make sure you do the cable modem power cycle as mentioned above, as many cable companies use MAC filtering and power cycling the modem is the only reliable way to connect a new device.

Let me know if that helps. Good Luck.

20120131-EE-VQP-002

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