Hi all, At the beging you will say Why don't you just try google for that? Sure i had tried it but it don't work so i post here in this forum I have a PC based on Windows xp and laptop (DELL Latitude D610) and wanna to establish a network between them so that i can transfer my data between my computers. i get a USB 2.0 cable and try: In any folder click Tools-> Map Network Drive... -> Then select Z: drive and write "\\My_Computer_Name" but it didin't work Also i have a serial Cable so i think on try doing direct connection between to computers using method here but it still didn't work ! btw, in my laptop there are many COMs in the device manager but i have only one in hardware !! the names of COMs i have COM1,COM6, COM7, COM10, COM11, COM12, COM13, COM14, COM20 and COM21. i tried COM1 I think that this is a stupid but i try to connect a Telephone cable between two modems in my computer and sure it didin't work ! So, What shall i do now ?!!