LAN Cable Not Recognized Anymore

Asus P7p55d-e lx desktop motherboard - i...
September 30, 2010 at 07:26:09
Specs: Windows 7 Ultimate, Intel Core i7-860 2.8 GHz / 8 GB
I assembled my first desktop Windows 7 PC approximately 2 weeks ago and everything worked fine, but suddenly I started getting this message at bootup: "Realtek LAN Cable not ready, enter setup for detail." I checked my BIOS settings and didn't find any additional info. When Windows 7 tries to connect to the Internet I see the RJ45 port lights flashing, but when I have connected the other end of the cable (I have tried three different cables that work with my laptop) to my modem or to my router, I see no lights flashing for the corresponding port on the modem/router. If I try to connect to the Internet using my USB 3G mobile modem I can connect to the Internet, but I prefer using my ADSL connection, because it's faster and more reliable.

Could the RJ45 port be broken on my motherboard?

My PC details:
Case: Antec P183 Performance ONE ATX MIDI NOPSU BLACK.
Power supply: Corsair TX850W.
Motherboard: Asus P7P55D-E LX S1156 P55 DDR3 USB3.0 SATA6 ATX.
Processor: Intel Core i7-860, quad-core, 2.80 GHz.
Memory: 8 GB (Kingston HyperX, dual-channel memory kit, 1600 MHZ, DDR3).
Hard drive: Western Digital 1 TB Caviar Blue 3.5" SATA2 7200RPM.
Graphics card: Club 3D HD 5750 PCIE 1GB GDDR-5 HEATPIPE.
Sound card: integrated.
Optical drive: LG Super Multi Blue, Blu-ray/DVD.
Operating system: Windows 7 Ultimate 64-bit ENG OEM.


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#1
September 30, 2010 at 08:43:33
but when I have connected the other end of the cable (I have tried three different cables that work with my laptop) to my modem or to my router, I see no lights flashing for the corresponding port on the modem/router

This points toward a NIC issue.

Check for updated drivers for the NIC. If there are some, apply them. If it works, great, if not, the next thing I would do is uninstall, then reinstall the TCP/IP stack on the NIC. If that doesn't work, you could try going in to Device Manager and unistalling the NIC itself. Then you would reboot and let windows find the NIC and install the drivers.

If none of that works, then you should buy a new NIC and install it - remember if you do to disable the onboard in the BIOS.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
October 1, 2010 at 23:49:58
Thanks. I failed with the software update/(un)installation, so I bought a network adapter (D-Link DGE-528T). (Also, my Ubuntu distro stopped working, so I re-installed Windows 7 and I then installed Fedora.)

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