Gateway accessible but cannot connect to internet, please hep!

Just bought a DELL inspiron 1 month ago, so day start up PC and started cannot connect to internet suddenly.

Had tried reset router, modem, IP address.

Unble to restore to earlier point.

It also says netork adapter is working properly.

Other PC is working fine with the same network.

Windows IP Configuration

   Host Name . . . . . . . . . . . . : Jasmine-Office
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : lan

Wireless LAN adapter Wireless Network Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
   Physical Address. . . . . . . . . : 2A-ED-B9-27-92-B9
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : lan
   Description . . . . . . . . . . . : Dell Wireless 1506 802.11b/g/n (2.4GHz)
   Physical Address. . . . . . . . . : 08-ED-B9-27-92-B9
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::a491:ccc:99dd:32aa%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.2.107(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Sunday, 19 August, 2012 3:05:52 PM
   Lease Expires . . . . . . . . . . : Monday, 20 August, 2012 3:14:56 PM
   Default Gateway . . . . . . . . . : 192.168.2.1
   DHCP Server . . . . . . . . . . . : 192.168.2.1
   DHCPv6 IAID . . . . . . . . . . . : 319352249
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-75-12-EB-D4-BE-D9-E7-C4-DF
   DNS Servers . . . . . . . . . . . : 218.186.1.38
                                       202.156.1.68
                                       202.156.1.48
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : lan
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : D4-BE-D9-E7-C4-DF
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.lan:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : lan
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 9:

   Media State . . . . . . . . . . . : Media disconnected
   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

Tunnel adapter isatap.{3324F40D-5031-4381-8435-B861904E670D}:

   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