You're missing drivers.  Start with the Dell notebook system software and chipset driver.  Reboot and install the wired and wireless Ethernet drivers.

http://support.dell.com/support/downloads/download.aspx?c=us&l=en&s=gen&releaseid=R171887&SystemID=LAT_PNT_PM_D410&servicetag=&os=WW1&osl=en&deviceid=3601&devlib=0&typecnt=0&vercnt=5&catid=&impid=&formatcnt=1&libid=7&fileid=233742

Would this be the correct link ?

Do you have links to where I can d/l those drivers ?  I'll put them on a CD and move them over to the pc in question.