Realtek Fast Ethernet Controller RTL8139 works do not under Windows 7.

I have a problem getting my Realtek Fast Ethernet RTL8139 controller working under Windows 7. During my first installation of windows, in which the controller was visible device manager, I think to remember, but after the first reboot, it disappeared.
I have two controllers active ethernet in my system, the first one mentioned above and the second: Realtek RTL8168C (P) / 8111C (P) Family PCI - E Gigabit Ethernet NIC (NDIS 6.20) [on board].
Certainly, the controller who is not found is working because LEDS are light when I connect the card to a cable. The other computer that is connected to my PC even shows that a 100 Mbit connection has been created (with problems though). However, it is not possible to communicate.
I already tried to install the latest drivers from Realtek for Win7 page (dated on the 22.09.2009) but it did not help.

System Specs:

Processor: Pentium Dual-Core CPU E5300 @ 2.60 GHz
(Vivid RAM) memory: 4.00 GB
Graphics: NVIDIA GeForce 9500 GT

System

Manufacturer: Gigabyte Technology Co., Ltd..
Model: G31M-ES2L
SystemType: 64 Bit - OS
Number of cores: 2

Network card:

Realtek RTL8168C (P) / 8111C (P) Family PCI - E Gigabit Ethernet NIC (NDIS 6.20) [work]!
Realtek RTL8139 Fast Ethernet Controller (NDIS 5.1) [DOES not work!]
 
OS: Windows 7 Professional (Version 6.1.7600)

Hello

Uninstall the audio player of the program and features.

Then install the Realtek driver by downloading it from the link below:
http://America.Giga-Byte.com/filelist/Driver/motherboard_driver_audio_realtek_azalia.exe

Cheers and enjoy... :))

Tags: Windows

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