Ethernet problem

[itzurabhi]

i installed iatkos without any problems. But now when i boot in normal mode, i cannot access my LAN. it says network cable unplugged.but when i boot on to safemode as i am writing this in safe mode i hav no problems.i havnt had this problem on about first 10 boots.. can anyone please help me???
I am having a Intel D915GAV motherboard with intel pro network