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Ethernet Cable Not Detected

Tags:
  • Networking
  • LAN
  • Desktops
  • Ethernet Card
  • Cable
Last response: in Networking
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September 6, 2014 9:53:31 AM

My desktop is not detecting the ethernet cable I plugged into it. The cable works because it is successful on my laptop and ps3, but not on my desktop. I have the latest Realtek PCIe GBE Family Controller driver. I've even reset the BIOS and nothing works. I've read other posts with a similar issue on these forums but none of their solutions have helped me.
-thanks

More about : ethernet cable detected

September 6, 2014 10:01:53 AM

It's not detecting the CABLE?? or what you have connected to the other end, such as a router or modem???
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September 6, 2014 10:02:54 AM

TheDraac said:
It's not detecting the CABLE?? or what you have connected to the other end, such as a router or modem???


It is connected to my router
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September 6, 2014 10:04:17 AM

Has that desktop been connected to a router via the ethernet port in the past???
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September 6, 2014 10:08:51 AM

TheDraac said:
Has that desktop been connected to a router via the ethernet port in the past???


no
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September 6, 2014 10:13:22 AM

When the cable is plugged into the Ethernet port on the motherboard, do you see any type of LED light up (either green or orange)? If not, then either the driver hasn't been installed or the port is simply dead. If you do see a light, then there is another issue somewhere.

-Wolf sends
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September 6, 2014 10:18:26 AM

If the Ethernet adapter is working, when you connect a cable to the port (provided you have a router on the other end) there are two activity lights that should start blinking on that port. If the lights DO NOT start flashing, the port is prob disabled.

Go into DEVICE MANAGER and under NETWORK ADAPTERS make sure your ethernet port is listed. If it is there goto next step.

Next, open The NETWORK AND SHARING CENTER. On the left top click on "Change adapter settings" and make sure the adapter is not disabled.


If your adapter DID NOT show up in Device Manager, it may be disabled in your BIOS.
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September 6, 2014 10:20:00 AM

Wolfshadw said:
When the cable is plugged into the Ethernet port on the motherboard, do you see any type of LED light up (either green or orange)? If not, then either the driver hasn't been installed or the port is simply dead. If you do see a light, then there is another issue somewhere.

-Wolf sends


There is no LED when I plug in the ethernet, however there is an orange LED from my wireless card that is on whenever the computer is running
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September 6, 2014 10:26:25 AM

TheDraac said:
If the Ethernet adapter is working, when you connect a cable to the port (provided you have a router on the other end) there are two activity lights that should start blinking on that port. If the lights DO NOT start flashing, the port is prob disabled.

Go into DEVICE MANAGER and under NETWORK ADAPTERS make sure your ethernet port is listed. If it is there goto next step.

Next, open The NETWORK AND SHARING CENTER. On the left top click on "Change adapter settings" and make sure the adapter is not disabled.


If your adapter DID NOT show up in Device Manager, it may be disabled in your BIOS.


this is what I see under "change adapter settings"
http://gyazo.com/1e072e163ebce0c8dc0b5b063f7f535a
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September 6, 2014 10:31:08 AM

Ok, so it would appear the adapter is detected and installed. So my question is then, why are you trying to connect via the ethernet port when you have the wireless adapter working???
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September 6, 2014 10:32:27 AM

TheDraac said:
Ok, so it would appear the adapter is detected and installed. So my question is then, why are you trying to connect via the ethernet port when you have the wireless adapter working???


The ethernet would provide me with faster speeds
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September 6, 2014 10:39:05 AM

Ok, I can understand that, and the connection should be more stable and reliable as well. Anyway, since it appears the Ethernet adapter is installed and ready to work, I would actually try a different Ethernet cable. There are two ways to wire a patch cable, and both are supposed to work the same. However, maybe your hardware is being finicky. One cable is called a crossover cable.
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September 6, 2014 10:41:28 AM

You could also try removing the Ethernet Adapter in Device Manager and when you reboot, Windows will reinstall the driver. Maybe that might fix something.
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September 6, 2014 10:42:47 AM

TheDraac said:
Ok, I can understand that, and the connection should be more stable and reliable as well. Anyway, since it appears the Ethernet adapter is installed and ready to work, I would actually try a different Ethernet cable. There are two ways to wire a patch cable, and both are supposed to work the same. However, maybe your hardware is being finicky. One cable is called a crossover cable.


Does it make sense that my ps3 and laptop work without a crossover cable?
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September 6, 2014 10:48:29 AM

Computers can be funny things, very much like women, once you think you have it figured out, you get thrown a curve ball.

Well I need to go for now, good luck and maybe someone else will chime in with a suggestion.
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September 6, 2014 10:52:54 AM

I think when I had problems with a certain setup, I started looking at the cables I was using, all supplied with different routers. I believe some routers came with "straight thu" cables while others had "cross over" cables. So until I had an issue, I thought all the cables I had where the same. I found out that was not true.

Using the "proper" cable fixed the problem.
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September 6, 2014 10:53:03 AM

TheDraac said:
Ok, I can understand that, and the connection should be more stable and reliable as well. Anyway, since it appears the Ethernet adapter is installed and ready to work, I would actually try a different Ethernet cable. There are two ways to wire a patch cable, and both are supposed to work the same. However, maybe your hardware is being finicky. One cable is called a crossover cable.


TheDraac said:
Computers can be funny things, very much like women, once you think you have it figured out, you get thrown a curve ball.

Well I need to go for now, good luck and maybe someone else will chime in with a suggestion.


Thanks for your time. I really appreciate it
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!