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Realtek PCIe GBE family controller doesn't detect my Ethernet cable


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#1 Snipermen1999

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Posted 17 November 2013 - 09:52 AM

when i had my computer fresh i experienced no problems at all, but lately the card doesn't want to read my ethernet cable anymore for some reason. even though it used to do that :(

please help me :( and there is no traffic going trough the cable (on both ends, the PC and the router)

and even though the picture is in dutch i will give a translation:

 

Ethernet

Cable not connected

Realtek PCIe GBE family controller

 

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#2 coxchris

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Posted 18 November 2013 - 06:23 PM

ok go to a command prompt

 

Start type in cmd and hit enter

 

type in ping 127.0.0.1

 

the output should read

Pinging 127.0.0.1 with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
 
Ping statistics for 127.0.0.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
 
If you get a reply your nic is worrking 
 
On the back of the computer look at the LED lights. One is Green and one is amber when the internet is active it blinks when transmitting. Do you see the Green LED on. Normal is Green operation Green is the physical connection between to end points.
 
How is the cable? frayed or damage in anyway. A network cable can be broke.
 
Please do the ping test to isolate the nic or the cable.                                                                                                                                                                                                                                                                                    

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#3 slgrieb

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Posted 19 November 2013 - 12:27 AM

Pinging the NIC's internal IP address will verify that the adapter works , but it doesn't verify that the cable is good. So, I'd replace the Ethernet cable. Sometimes the crimps on the end of the wires get loose, or the cable can pull out of a connector and untwist causing electrical issues, or you can just break the clip that holds the cable in the connector and not get a consistent connection. A brand new cable is a pretty cheap and simple test. Some of the potential problems with cables aren't always easy to spot visually.


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#4 Snipermen1999

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Posted 19 November 2013 - 03:35 AM

we have replaced the Ethernet cable but i still have these problems. no lights or what ever are activated on the back. my NIC might be broken, iam not sure at all but when i figure out it's broken i send it back to the manufacturer.



#5 Snipermen1999

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Posted 19 November 2013 - 03:48 AM

the NIC seems to be working but there is still a thing iam missing. the LED lights aren't activating on the back and there is no traffic going trough. (again on both ends, router and PC) and couldn't i just do: ping localhost instead?

check the picture i will be adding agian.



#6 Snipermen1999

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Posted 19 November 2013 - 03:52 AM

sorry that the file is sort of messed up. i didn't manage to resize it without getting it look blurry or pixelated.

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#7 Roodo

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Posted 19 November 2013 - 01:15 PM

Right click on the Ethernet connection click diagnose or enable(if disabled).



#8 coxchris

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Posted 19 November 2013 - 05:23 PM

Go to Start tpye in Device Manager 

Under Network 

 

Do you see any X,. ?, ! or mini down arrow on your Ethernet adapter.

 

 You can try updating the drivers using http://download.cnet.com/SlimDrivers-Free/3000-18513_4-75279940.html?part=dl-0 and install and hit scan let it install anything on the computer Network Related 

 

Please update your NIC drivers.

 

Let us know the outcome. 


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#9 slgrieb

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Posted 19 November 2013 - 06:07 PM

Go to Start tpye in Device Manager 

Under Network 

 

Do you see any X,. ?, ! or mini down arrow on your Ethernet adapter.

 

 You can try updating the drivers using http://download.cnet.com/SlimDrivers-Free/3000-18513_4-75279940.html?part=dl-0 and install and hit scan let it install anything on the computer Network Related 

 

Please update your NIC drivers.

 

Let us know the outcome. 

About the only obvious thing I can think of otherwise would be to verify cable continuity along the full length of the Ethernet connection, which would require a cable tester. Cable testers either come in two modules, or a unit that can be separated into two parts. You unplug the cable from the computer at one end, unplug the other end of the connection from the switch or whatever, then connect one module of the tester to each end of the connection, hit the test button, and read the results. The test is pretty clear. If you have a fault on lines 1,2,3, or 6 the connection isn't good. Any cabling where the cable cover has pulled out of the connector should always have the cable cut off before the portion that's untwisted and new connectors crimped on, even if the test results are good.


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#10 Snipermen1999

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Posted 21 November 2013 - 05:20 AM

Go to Start tpye in Device Manager 

Under Network 

 

Do you see any X,. ?, ! or mini down arrow on your Ethernet adapter.

 

 You can try updating the drivers using http://download.cnet.com/SlimDrivers-Free/3000-18513_4-75279940.html?part=dl-0 and install and hit scan let it install anything on the computer Network Related 

 

Please update your NIC drivers.

 

Let us know the outcome. 

nothing related to the NIC drivers. my dad is an electrician and i'll ask him if he can get a Cable tester/ and no i dont see any x,! or ? near the Ethernet adapter.

i've read on the internet if i uninstall the device (trough device manager) and than restart that it should relocate it again. but my only fear is that when i do a system restore and than restore to that restore that my PC might be possibly f***ked (becaused of the device wich is uninstalled)


Edited by Snipermen1999, 21 November 2013 - 05:24 AM.


#11 slgrieb

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Posted 21 November 2013 - 05:40 PM

I don't think this is a driver issue, but all the same, if you uninstall the adapter in device manager, then let Windows re-detect it after a reboot, you certainly aren't going to have widespread system issues. i'm still thinking you have a simple cabling issue, but fallout from a malware infection is always a possibility. I've seen scenarios where installing a new NIC would fix this sort of problem. It's a cheap and simple fix, even if it is inelegant.


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#12 Snipermen1999

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Posted 22 November 2013 - 07:18 AM

I don't think this is a driver issue, but all the same, if you uninstall the adapter in device manager, then let Windows re-detect it after a reboot, you certainly aren't going to have widespread system issues. i'm still thinking you have a simple cabling issue, but fallout from a malware infection is always a possibility. I've seen scenarios where installing a new NIC would fix this sort of problem. It's a cheap and simple fix, even if it is inelegant

atleast. i can guarantee that I never been infected with malware on this PC. i rarely download stuff, don't go to suspicious looking websites etc.

but i will ask my dad if he can bring a cable check thing :)



#13 Kilroy

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Posted 22 November 2013 - 10:34 AM

I have seen this on a brand new freshly imaged machine and it was resolved by deleting the network card, do not delete the drivers, in Device Manager and rebooting.  The network card was located and installed on reboot.

 

Do you have another networked device that you can use to verify the cable and the router?

 

Have you rebooted/power cycled the router?

 

Is the cable you are using manufacturer or homemade?



#14 Snipermen1999

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Posted 23 November 2013 - 12:09 PM

I have seen this on a brand new freshly imaged machine and it was resolved by deleting the network card, do not delete the drivers, in Device Manager and rebooting.  The network card was located and installed on reboot.

 

Do you have another networked device that you can use to verify the cable and the router?

 

Have you rebooted/power cycled the router?

 

Is the cable you are using manufacturer or homemade?

we reboot our router quite alot actually but no problems laying there.

and we are using a manufactured cable because how am I going to craft a Ethernet cable? (CAT5 if you're wondering)

and yes, i have a ICIDU wireless USB card thing, so how can i verify the cable with that?






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