Samsung Np 28 Network Problem .help

[adelelect]

HI,
ANY body can help me pls i have problem with my laptop Samsung NP28
keep giving me msg LOCAL AREA CONNECTION UNPLUG
and that's happen every second . i need help pls
IF ANY ONE CAN HELP ME MY EMAIL ADD. IS
Adelelect@yahoo.com

[SuPeRGeNiUs]

check-up cable conected with network and options