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ASUS P7P55D-E Ethernet Issue

Last response: in Motherboards
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July 15, 2011 2:41:13 AM

Greetings, I'm currently connected to the internet on my custom build through wireless and I'm hoping someone can help me with this problem regarding wired ethernet cable connectivity. I have two ethernet ports (1 from motherboard, other from later installed PCI card - installed drivers) that don't work for a reason unknown to me. I first installed the drivers from the motherboard's CD after installing Win7 x64 and it seems the drivers are installed properly, but when I try to connect with either port I receive the "Plug an Ethernet cable into this computer" message. Both are Realtek.

*I have tested the CAT6 cable and it works fine w/ my Xbox360

Specs:
Installed wired PCI card: TEG-PCITXR (Version 3.xR) (http://www.trendnet.com/products/proddetail.asp?prod=140_TEG-PCITXR&cat=14)

Motherboard: Asus P7P55D-E (http://www.asus.com/Motherboards/Intel_Socket_1156/P7P55DE/)
*RealtekĀ® 8112L Gigabit LAN controller featuring AI NET2

Processor: Intel Core i3 540 (http://ark.intel.com/products/46473/Intel-Core-i3-540-Processor-(4M-Cache-3_06-GHz))

RAM: 2 G.SKILL Ripjaws Series 4GB (2 x 2GB ) (for 8gb total) (http://www.newegg.com/Product/Product.aspx?Item=N82E16820231277)

Video: Nvidia GeForce 9600 GT (http://www.nvidia.com/object/product_geforce_9600gt_us.html)

Installed wireless PCI card: WN311B (http://support.netgear.com/app/products/model/a_id/2605)

If anyone can help me it would be greatly appreciated and if there is any additional information needed please let me know.
a c 717 V Motherboard
July 15, 2011 3:52:28 AM

Welcome to Tom's Forum! :) 

Okay I gotta ask -- Why (3) different IP connections? Unless the connections are 'Bridged', 'Teamed', etc you can only have (1) connection.

Try Disabling (2) of the (3) leaving (1) at a time.
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July 15, 2011 4:18:21 AM

jaquith said:
Welcome to Tom's Forum! :) 

Okay I gotta ask -- Why (3) different IP connections? Unless the connections are 'Bridged', 'Teamed', etc you can only have (1) connection.

Try Disabling (2) of the (3) leaving (1) at a time.


Thank you for the welcoming.

The reason I have 3 different connections is that I first started out with the default wired connection that comes with the motherboard, but after installing the drivers I still got the message "Plug an Ethernet cable into this computer". So I ordered a PCI card thinking the default could just have gone bad, but no dice. So, I just found my old wireless PCI card and installed that for now.

I've tried enabling only one of the devices at a time via the Device Manager and re-installed the drivers for both of the wired connections multiple times.

The default motherboard port had worked prior to my reformat, so I thought maybe it was a bad Win7 x64 installation so I reformated again and I've downloaded the latest Windows 7 updates, but still, no dice.
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a c 717 V Motherboard
July 15, 2011 11:54:31 AM

The problem clearly seems to be the wiring; having (2) failed NIC cards is a very remote possibility. If you did it yourself or had someone not follow TIA/EIA-568 standards of termination then no it won't work. I listed a few possibilities. If you have a broadband company the serviceman might test your lines, slip him/her a $20, for free otherwise look at something cheap like IDEAL LinkMaster to test.

Possible problems:
1. The CAT-6 is miss-wired by the installer and neither T568A or T568B standards weren't followed.
2. The patch cable is a 'Crossover' cable or maybe straight wired.
3. The CAT-6 is either damaged or is running too close to wall socket power.
4. Centralized 'HUB' vs 'Switch'.

This "*I have tested the CAT6 cable and it works fine w/ my Xbox360" proves nothing. The XBOX uses 10/100BaseT not 1000BaseT.

See -> http://www.ertyu.org/steven_nikkel/ethernetcables.html
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July 15, 2011 2:04:14 PM

I agree with jaquith... sounds like a cable fault or the device you are connecting to has a problem. Check both.
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July 25, 2011 12:51:05 AM

Best answer selected by everettnk.
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