Hmm... your ipconfig info looks OK. So here's some recommendations / things to try
1. Power cycle the cable modem again to force a reset at the ISP end. This time leave cable modem powered off about 10-15 minutes. Then try again
2. You can manually try to renew the computer's IP address to see if it works and what error message by
> Click
Start->Run, enter
cmd to open a command prompt window
> In command prompt window enter
> Then enter
3. Uninstall and reinstall your Network Adapter driver (this will also reset all the default settings for the adapter on your computer)
> Find the network adapter entry in Device Manager, rt click
Uninstall
> If you now look under Network Connections, the LAN connection will no longer appear
> Now download and reinstall the network driver for your computer and try again
Let us know.... If above still doesn't help, you may need to get a new adapter and you should still follow up to get that USB controller issue fixed
See [post=751005]How to Reinstall Your USB Controllers and Motherboard Chipset Drivers[/post]
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btw.. you've also tried using a different ethernet cable?
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And since you just reinstalled Windows, is probably not the problem, but you might also want to look at these
How to reset Internet Protocol (TCP/IP
How to determine and to recover from Winsock2 corruption in Windows Server 2003, in Windows XP, and in Windows Vista