Is software blocking my internet access?

dave1310

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Aug 4, 2010
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I just upgraded my motherboard and now I'm having BIG problems accessing the internet. Here are the particulars as I can determine them.
1. The internet icon on the task bar shows internet is connected.
2. Neither of the windows network/internet troubleshooters found a problem.
3. Win7 itself connected to Microsoft's server and validated my copy with no problem.
4. Nothing else will connect! As I was able to validate Win7, I tried validating my copy of Office. Told me I had no internet connectivity.
5. Another program I tried using required re-validation; when I made the attempt it told me to check the connection and firewall.
6. I disconnected both firewalls (my AVG Internet Security suite takes over control of the firewall from Windows). No change in access.
I'm writing this on my laptop connected to the same cable that was in my desktop and its working fine.
I was thinking about rerunning the LAN driver off the mobo DVD, but if I'd gotten that wrong how did the Win7 activation connect and why wouldn't one of the troubleshooters catch a problem?
I'm sortta at my wits end here and I need a hand.
The machine:
Asus M5A99X motherboard running AMD Phenom II X 4 955 with 16 gB Memory. ASUS navidia GeForce GT640 w/2gB ddr3 mem and the onboard lan is Realtek PCIe gigabyte controller.
By the way, Device Manager also says the device is working properly.
HELP!
 
No. the taskbar icon still says internet is ok but no access with either browser.
BUT, I ran firefox in the windows XP virtual machine and it connected to internet with no problem. Pretty much eliminates hardware, doesn't it?
 


No check mark; just one up at the top for auto detect settings.
Please see my note about connecting on the same physical machine running virtualXP