Here's ipconfig/all for laptops----------------------------------------C:\>ipconfig/allWindows IP Configuration Host Name . . . . . . . . . . . . : PRESARIO-PC Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : NoWireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Atheros AR5007 802.11b/g WiFi Adapter Physical Address. . . . . . . . . : 00-1F-3A-02-5E-CE DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::5c82:6d8a:2a33:19bc%9(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 02 October 2008 09:37:53 Lease Expires . . . . . . . . . . : 05 October 2008 09:37:52 Default Gateway . . . . . . . . . : 192.168.1.1 DHCP Server . . . . . . . . . . . : 192.168.1.1 DHCPv6 IAID . . . . . . . . . . . : 285220666 DNS Servers . . . . . . . . . . . : 192.168.1.1 192.168.1.1 NetBIOS over Tcpip. . . . . . . . : EnabledEthernet adapter Local Area Connection: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139/810x Family Fast Ethernet NIC Physical Address. . . . . . . . . : 00-1B-38-C0-EA-2E DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : YesTunnel adapter Local Area Connection* 6: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 02-00-54-55-4E-01 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv6 Address. . . . . . . . . . . : 2001:0:cf2e:308c:2476:2fdd:3f57:fefd(Preferred) Link-local IPv6 Address . . . . . : fe80::2476:2fdd:3f57:fefd%14(Preferred) Default Gateway . . . . . . . . . : :: NetBIOS over Tcpip. . . . . . . . : DisabledTunnel adapter Local Area Connection* 7: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : isatap.{15938F8C-3678-44A3-A475-2C2B52D7E83C} Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::5efe:192.168.1.2%12(Preferred) Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : 192.168.1.1 192.168.1.1 NetBIOS over Tcpip. . . . . . . . : DisabledTunnel adapter Local Area Connection* 10: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : isatap.{9EC10B0A-F48B-48CF-B109-14C434B95C3D} Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : YesTunnel adapter Local Area Connection* 9: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : 6TO4 Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes---------------------------------------------------------------------dhcp enabled.... But not getting how to change that private IP domain addess