Network Connection Help

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tazza_0712

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Sep 20, 2002
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65
Hi all,

Today I bought a cross over cable to network my laptop and my desktop. Here is the problem, the desktop doesnt seem to know that there is a cable in the network port. (Both machines are XP)
The strange thing is, when I plug the cable into the laptop, and I plug it into the desktop, the laptop network card light thing (at the back of the laptop on top of the network port) lights up, meaning that something is "registering", yet the desktop still doesnt notice the cable, and the XP warning comes up with "A network cable is unplugged" when there is in fact one in there.

The desktop is the internet providing machine, and so the laptop doesnt have internet access until they can be networked, which I cant seem to do. Please help.

Thanks!
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,418
There are two possibilities. Either the cable is bad, or the ports are not compatible. I've had a number of cases where a crossover cable direct would fail, inserting a cheap hub or switch into the mix solved the problem. I've also had several factory made cables bad, right out of the package. I now test all the cables with a TDR to make sure they're good. :)
 

tazza_0712

Thread Starter
Joined
Sep 20, 2002
Messages
65
Hi there,

the place where I bought the cable tested it before I got it, so I know that it isnt that. I guess the next possibility as you stated could be that the ports are not compatible, but delving into that, is there any possible way of seeing if in fact they are incompitable?? Thanks for your quick reply.
 

tazza_0712

Thread Starter
Joined
Sep 20, 2002
Messages
65
Actually, I just installed Kazaa Lite (although that has nothing to do with the topic) and Norton Internet Security just popped up, and said something about blocking access to ports or something similar. Could that perhaps be a reason why it isnt working??
 
Joined
Sep 23, 2003
Messages
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nono that should have no issues at all i mean those are virtual ports not phisical ports, if you plug in a straight through cable do you get a light on the back of the computer ???
 

tazza_0712

Thread Starter
Joined
Sep 20, 2002
Messages
65
I get a light on the back of the laptop when I connect the other side to the desktop, but so far, there has never been a light on the back of the desktop. The light that comes on the laptop makes me think that the laptop is recognising the desktop, but for some reason, the desktop just keeps on saying "network cable unplugged"
 

tazza_0712

Thread Starter
Joined
Sep 20, 2002
Messages
65
On my laptop, there is now a connection evident between the two computers, as in the lower right hand side of the task bar, there are now two computer screens which say that the network is connected at 10MBPS, yet there is still no break through with the desktop, still saying "network cable unplugged" just thought I would keep you up to date if you came up with any more ideas.

Thanks
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,418
The place that tested the cable doubtless used the $50 continuity checker, not the $5000 TDR to test it. Even if the pairs are wired improperly, it'll still pass the continuity test. I'd try a different cable...
 

tazza_0712

Thread Starter
Joined
Sep 20, 2002
Messages
65
Hey everyone,

thanks for all your input. I dont know how I did it, but I used a USB ethernet adaptor to connect the network cable to the laptop, and I connected the other side of the network cable to the desktop in a new NIC and now the network works. And I used my old network card on the desktop to connect to the internet. It took a lot of testing but it finally worked, thanks again for all your help.

Tazza
 
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