[cam94z28]

I just installed a Cooler Master Hyper 212 Plus heat sink on my Athlon II X4 635. The motherboard is a Gigabyte GA-770TA-UD3. Things were going good, until i tried a slight overclock in EasyTune 6. I tried not even a 200mhz overclock (10 or 12mhz on the FSB). After a few minutes the system hung, and self-rebooted. Upon rebooting, windows 7 64 bit logged in just fine, but instead of successfully connecting to the internet, I see the Yellow Triangle in the taskbar, and a "No Internet Access" popup.

The internet connection is, in fact working. Another wired desktop in the house is connecting just fine, as well as my wireless laptop. The router is a Netgear WGR614v6. The computer in question is connected to a basic linksys 4 port router, which connects to my ps3 just fine. If I run ipconfig /all on the desktop, It even identifies the custom dns servers I have specified in the router, and I can load the web interface for the router. I have tried the MS Fix-It which reinstalls the TCP/IP stack, as well as searching the services list for bonjour, or the other item that Apple apparently installs, and none were there.

Seeing how I can load the web interface in a browser, and identify, but not connect to other computers on the network, the network adapter seems to be working. Wondering if it's a driver issue, I even installed the newest Realtek GBE drivers from Gigabyte's web site.

Another interesting thing to note is that in the course of troubleshooting, I found that the port that my PC had been plugged into on the router had become bad. If any cable is inserted, regardless if plugged into a PC, the activity light for the WAN port blinks steady. The onboard activity light on the motherboard does not do this, so I can assume it is only the router. I moved the connector to the same port that my PS3 works on, to insure the router is not the problem. I also tried an older linksys gateway set to router mode, with the same result.

Any ideas how to go about resolving this?

FWIW here is a screenshot of my ipconfig. Maybe I'm missing something...

DNS Servers are not the custom ones i mentioned above because i set them to automatic.

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Try disabling IPv6.

[diabillic]

Try disabling IPv6.

[3quilibrium]

Have you tried a complete uninstall and reinstall of the NIC drivers? Also out of curiosity can you ping any websites at all even with the yellow exclamation mark stating no internet connection?

[cam94z28]

Try disabling IPv6.

That is the first thing I tried. After doing that, it spends less time with the circle spinning "identifying network", and almost instantly displays "no internet access"

Have you tried a complete uninstall and reinstall of the NIC drivers? Also out of curiosity can you ping any websites at all even with the yellow exclamation mark stating no internet connection?

I cannot ping any internet sites, yet i can ping 192.168.1.1, which is my gateway. I went as far as removing the device from device manager. There is an additional check box that says "also remove driver", which I selected. If there is a more involved step, please let me know.

Update: Out of frustration I tore my room apart and found an old IDE 160GB Maxtor drive that was laying around. I reinstalled windows 7 on this. After the first boot to the desktop, without even installing any drivers, it immediately started downloading updates. The onboard NIC is fine, but something in software is keeping it from working in my existing install. I really would rather not re-install, and unfortunately I found that I had accidentally disabled (deactivated) system restore when I disabled one of a number of services. Clicking on system restore now results in an error. Would have been an easy fix.

Anyway... I'm still in need of a solution

Edited by cam94z28, 12 May 2010 - 02:12 AM.

[cbarnard]

Have you tried a complete uninstall of the driver software and then a reinstall? Try using the driver provided by the mobo manufacture