I've seen some people have the similar problem with me.But mine is a little bit different from them.
I have the "local access only"problem too.But that only happened after I download something larger than 30MB.Actually it happened after I received more than 30MB data from the internet.
I've tried disabling IPV6..but that didnt work. I assigned a static IP address..and that didnt work either.
Hope you can help me,and here is my ipconfig information

Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.


C:\Users\TENG>ipconfig/all


Windows IP Configuration


Host Name . . . . . . . . . . . . : Ben
Primary Dns Suffix  . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No


Wireless LAN adapter Wireless Network Connection:


Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Intel(R) Wireless WiFi Link 4965AGN
Physical Address. . . . . . . . . : 00-13-E8-27-D5-F5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::451a:5295:bd74:c396%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.10(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, August 31, 2007 11:03:21 PM
Lease Expires . . . . . . . . . . : Saturday, September 01, 2007 12:03:21 AM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 268440552
DNS Servers . . . . . . . . . . . : 66.75.164.9066.75.164.89
NetBIOS over Tcpip. . . . . . . . : Enabled


Ethernet adapter Bluetooth Network Connection:


Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : 00-1B-FC-12-6D-C8
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes


Ethernet adapter Local Area Connection:


Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Realtek RTL8168B/8111B Family PCI-E Gigab
it Ethernet NIC (NDIS 6.0)
Physical Address. . . . . . . . . : 00-1B-FC-62-2A-D7
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes


Tunnel adapter Local Area Connection* 7:


Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : isatap.{30C48DCA-67CC-4D6F-8458-6ECCE15BB
CCC}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:192.168.0.10%18(Preferred)
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 66.75.164.9066.75.164.89
NetBIOS over Tcpip. . . . . . . . : Disabled


Tunnel adapter Local Area Connection* 10:


Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : isatap.{16EC1105-C516-4B92-AA08-18EC65C8D
49E}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes


Tunnel adapter Local Area Connection* 11:


Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Ben,


What make/model is your notebook? Sometimes manufacturers release connectivity software that is broken out of the box. Also have you updated your driver?

thanks i've called the timewarner, they changed a cable and it worked

i had exactly the same problem.. also with really slow internet! and it drove me crazy, but i changed the wireless channel on the router and for some reason it just started working.

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