Network items such LAN – Local Area Network Connection icon to setup the TCP/IP usually locate at My Network Places in Windows XP Operating System. There you can make connection with other computers in the LAN networking area. In case you can’t access it with usual way by right click on My Network Places, you must resolve that problem by knowing the exact make and models of the equipment used on your desktop PC or laptop PC before try to fix it by yourself or ask help to the network technician’s online.

There are below the network equipment you should know:
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ISP (Internet Service Provider).
Broadband modem model.
Router model and hardware version (if a separate unit).
Connection type, wired or wireless.
If wireless, encryption used, (none, WEP, WPA, or WPA2)
Version and patch level of Windows on all affected machines, i.e. XP (Home or Pro), SP1-SP2-SP3, Vista (Home, Business, Ultimate), etc.
Internet Browser in use, IE, Firefox, Opera, etc.

Model numbers can usually be obtained from the label on the device. Once you’re know them all, then go to the next step to continue the network troubleshooting.