Heres what happends according to the Event Viewer when I pull the Ethernet to my modem from my computer out, then plug it back in...
Event Type:Information
Event Source:Tcpip
Event Category:None
Event ID:4202
Date:6/22/2012
Time:8:26:40 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
The system detected that network adapter \DEVICE\TCPIP_{8A8C78B5-A0CB-4AD1-AF7D-2E6A30D73CB4} was disconnected from the network, and the adapter's network configuration has been released. If the network adapter was not disconnected, this may indicate that it has malfunctioned. Please contact your vendor for updated drivers.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 6a 10 00 40 ....j..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type:Warning
Event Source

hcp
Event Category:None
Event ID:1003
Date:6/22/2012
Time:8:26:40 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 0015F274321A. The following error occurred:
The operation was canceled by the user. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: c7 04 00 00 Ç...
Event Type:Information
Event Source:Tcpip
Event Category:None
Event ID:4201
Date:6/22/2012
Time:8:26:50 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
The system detected that network adapter \DEVICE\TCPIP_{8A8C78B5-A0CB-4AD1-AF7D-2E6A30D73CB4} was connected to the network, and has initiated normal operation over the network adapter.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....I..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type:Information
Event Source:Tcpip
Event Category:None
Event ID:4201
Date:6/22/2012
Time:8:26:54 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
The system detected that network adapter \DEVICE\TCPIP_{8A8C78B5-A0CB-4AD1-AF7D-2E6A30D73CB4} was connected to the network, and has initiated normal operation over the network adapter.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....I..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type:Information
Event Source:Tcpip
Event Category:None
Event ID:4202
Date:6/22/2012
Time:8:27:50 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
The system detected that network adapter \DEVICE\TCPIP_{8A8C78B5-A0CB-4AD1-AF7D-2E6A30D73CB4} was disconnected from the network, and the adapter's network configuration has been released. If the network adapter was not disconnected, this may indicate that it has malfunctioned. Please contact your vendor for updated drivers.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 6a 10 00 40 ....j..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type:Warning
Event Source

hcp
Event Category:None
Event ID:1003
Date:6/22/2012
Time:8:27:50 PM
User:N/A
Computer:NONE-76AAAFB655
Description:
Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 0015F274321A. The following error occurred:
The operation was canceled by the user. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: c7 04 00 00 Ç...
and this cycle just repeats every time leaving me connected to the network but with no connection to the internet