Users of Windows XP Service pack 3 or SP3 usually experience a typical problem of zero connectivity or limited connectivity. This connectivity issue is faced after installing the Windows XP SP3 operating system. As a solution to this problem, it is required to right click on the 'Manage' option in the 'My Computer' icon on the desktop. The 'Computer Management' option will pop up on the screen. Upon clicking the Device Manager option, all the relevant details appear on the right hand side of the Window. Then it is required to open the network adapter and open the 'NIC card'. As a new window pops up, it is required to go to the Advanced tab. Finally, select 100Mbps of Link speed or Duplex speed.