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Tech Support Guy Forums > Internet & Networking > Networking >
Computer not detecting a network cable, error reads "network cable unplugged"

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pedroguy's Avatar
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16-Jul-2009, 06:36 PM #16
Indications from the ipconfig and pings would seem to show a legit wireless connection to unsecured wireless network, linksys2.I have a linksys router,and that is one of the default id's.
Shmandy,I understood your post.
Disconnect the cable altogether and run another ipconfig.Let's see if it still shows a wireless connection.
The other thing which might be helpful to see would be an ipconfig from one of your friends working pc's,if possible.

And also,confirm that you have done all the checks that I suggested in post #12 and if so:

Reviewing the thread,I am reminded of the old Sherlock Holmes theory.
"Watson,if you have eliminated all the possible solutions,then the impossible must be the solution"
Or something like that.
So,please follow my instructions above,just to see if we can find something else.
But,
This may be,contrary to what device manager is telling us about the lan adapter working properly,that may not be completely true,and we have seen this in some other instances.


So,let's just try something.
This will be a two step deal.
First,boot up in safe mode with networking.When booted see if you can get onto the internet.We are trying to see if some normal task is getting in the way of internet access.My guess is no,but we need to explore that possibility.

If no joy there:

Go to device manager.Select the lan adapter/driver,Write down the current driver being used and it's location.Then uninstall the driver.
Re boot in normal mode and let's see if we can plug and play this device into seeing a lan connection.

If anyone else has some suggestions,please post'em.I think we have tried to cover all the logical possibilities.
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Last edited by pedroguy; 16-Jul-2009 at 07:31 PM.. Reason: driver
blakcshadow's Avatar
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18-Jul-2009, 09:02 AM #17
Maybe there is some sort of security on the router, allowing a device to connect to the router, but needing approval to access the internet?

As for Sherlock Holmes, isn't it "Once you remove all of the impossibilities, the only thing left, no matter how unlikely, must be the answer"
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pedroguy's Avatar
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18-Jul-2009, 11:48 AM #18
Yep:That's why I said,"or something like that "
Give me a break.It was getting way past my bedtime here
And a cable coming out of the wall would seem to indicate an ethernet connection.
And he tried it on working connections,same result.
Think he has snagged someone's unsecured network,perhaps the landlord's and that's what we may be seeing on the ipconfig 's
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Last edited by pedroguy; 18-Jul-2009 at 11:56 AM..
blakcshadow's Avatar
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18-Jul-2009, 12:11 PM #19
If its from the wall, theres got to be a router/switch, maybe a setting on that?
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pedroguy's Avatar
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18-Jul-2009, 12:25 PM #20
His room mates have no problem.He does on the same connection.
I don't doubt that the linksys2.1 network is router controller and probably firewalled.
Might be informative,as I noted above to see an ipconfig from one of the working connections.
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cable, connection, ethernet, internet, unplugged

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