GO to a command prompt and enter IPCONFIG /ALL. Enter teh results here. Then look under "DNS Servers: list and try to ping one of the DNS servers you have listed.
i did what you said.. that's what i got:
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\KILLER>IPCONFIG/ALL
Windows IP Configuration
Host Name . . . . . . . . . . . . : LapTop-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Mixed
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : mshome.net
Wireless LAN adapter Wireless Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR5009 802.11a/g/n WiFi Adapter
Physical Address. . . . . . . . . : 70-1A-04-0A-8B-EB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : mshome.net
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : 00-26-9E-54-C7-31
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2002:bcf7:435b:b:d4c:a943:2d89:769a(Prefe
rred)
Site-local IPv6 Address . . . . . : fec0::b:d4c:a943:2d89:769a%1(Preferred)
Temporary IPv6 Address. . . . . . : 2002:bcf7:435b:b:3d95:6b1c:4ad2:30fb(Pref
erred)
Link-local IPv6 Address . . . . . : fe80::d4c:a943:2d89:769a%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.137.222(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 26 آذار, 2010 11:42:48 ص
Lease Expires . . . . . . . . . . : 02 نيسان, 2010 06:13:38 م
Default Gateway . . . . . . . . . : fe80::f11e:41dc:df78:d431%11
192.168.137.1
DHCP Server . . . . . . . . . . . : 192.168.137.1
DHCPv6 IAID . . . . . . . . . . . : 234890910
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-1E-25-E6-00-26-9E-54-C7-31
DNS Servers . . . . . . . . . . . : 192.168.137.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.{A819DC79-9AE4-48CE-AE46-E7E7264DFE17}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.mshome.net:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : mshome.net
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter 6TO4 Adapter:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft 6to4 Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:877:b2e:4308:bca4(Prefer
red)
Link-local IPv6 Address . . . . . : fe80::877:b2e:4308:bca4%17(Preferred)
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled
so... what you think?