Hi guys today am very happy cos i found a LAN driver for my DELL N5050.Now am posting this comment using DELL N5050 via XP :-)...Now i'l tell step by step and please follow this and yo'l get a solution
1.first open START->COMPUTER->RIGHT CLICK->PROPERTIES->SELECT HARDWARE TAB->CLICK ON DEVICE MANAGER.
1.IN NETWORK ADAPTER IT WILL DISPLAY WITH YELLOW COLOUR EXCLAMATION MARK,RIGHT CLICK ON IT AND SELECT "UPDATE DRIVER"(caution dont ever connect to internet using dongle if you are using pirated window version)
2.click on windows update search for this time only,click YES THIS TIME ONLY,clock NEXT
3.click on install the software automatically(recommended),click NEXT
4..Now it will show as searching and it will ask insert the 10/100/1000 fast ethernet PCI family driver CD,Now click on browse for downloaded files and select the name starts with R i dont know the exact name of the file.