Unable To Connect To Modem/internet Via Lan But Wireless Works Fine

Dec 4, 2012

My desktop (windows 7 ultimate 64bit) has been able to connect fine to the internet until I got home from work this morning. My laptop is connecting to the same modem fine through wireless (along with my wii). The modem I am using is Motorola SB 901. When I rightclick my connection on my desktop and hit troubleshoot problems, I get 'local area connection 2 doesn't have a valid ip configuration'. Same thing happens when I switch the ethernet cord to local area connection 1. When I go to control panel, network and internet, network and sharing, the connection map at the top stops between my pc and the network (which is now labeled as 'unidentified network'). Here is a list of what I have done so far to try and resolve the issue:

1. Replaced the ethernet cord with one I know is working

2. Full scanned my pc for viruses

3. Disabled all firewalls and virus protection programs

4. Restored my pc to a previous save state

5. Reset winsock with cmd via these prompts: netsh winsock reset catalog and netsh int ip reset reset.log hit

6. This attempt is unfinished as I am getting stuck. I am attempting to setup a static ip to attempt to resolve the issue, but when I open cmd and type ipconfig/all, the default gateway under my local area connection is completely blank.Here is what comes up with ipconfig/all:

C:UsersPaul>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Paul-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid

[code]....

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I've checked the following things with my other PC(=notebook windows 7 x86): modem, switch, cable and my network card and everything did work fine. note: I did use the same cable as I was using for the desktop PC to be sure that the cableline was fine. I made the next tests with my desktop PC.

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ipconfig /all of my desktop pc.(not working) Code: Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

[Code].....

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Connection -specific DNS Belkin
Description Realtek PCIe GBE Family Controller
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yadayadayada...

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