My laptop is not getting connected to internet while all my friends laptop can. So i thought its my laptop fault or  i should update my drivers or something but the interesting thing is i can connect to another wifi router and get internet access so whose problem is that? ISP or my laptop? I forgot to mention u that ISP is same for both the routers.

My system info is its a dell xps15 with a intel(R) Centrino(R) Wireless-N 1030

I am pasting the info which i got after giving ipconfig /all

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\SONU>ipconfig /all

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : 84-8F-69-BD-F3-7B
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Intel(R) Centrino(R) Wireless-N 1030
   Physical Address. . . . . . . . . : AC-72-89-D1-22-A7
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::e4ad:ea4f:c6ae:e7f6%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.1.22(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : 24 April 2013 00:56:55
   Lease Expires . . . . . . . . . . : 25 April 2013 00:56:54
   Default Gateway . . . . . . . . . : 192.168.1.20
   DHCP Server . . . . . . . . . . . : 192.168.1.20
   DHCPv6 IAID . . . . . . . . . . . : 296514185
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-62-91-6B-AC-72-89-D1-22-A7

   DNS Servers . . . . . . . . . . . : 192.168.1.20
   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. . . . . . . . . : AC-72-89-D1-22-AB
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{DC43598D-D063-4EA1-A01B-1B651A798354}:

   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 Teredo Tunneling Pseudo-Interface:

   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 Reusable ISATAP Interface {7D8F947E-B261-4CE3-A43C-CD84FEEC04C8}:


   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Please let me know if i still have to provide any information. Thanks in advance