help with internet and network

okay I'm using the thompson speedtouch adsl modem and have a 1gb lead going
from modem to netgear 4 port router the other 1gb lead then goes from router to
the ethernet card at back of computer. when viewing my internet details it says
speed: 1gbps.

But on the actual netgear 4 port router I'm getting a green light when it should be
an orange light how do i solve that problem?

What I dont understand is that the Asus gigabit ethernet network adapter
(NX1101) is reading the green light at back of computer and the orange light keeps
flashing on and off.

Any solution would be great, its only just happen in the last 36 hours

the problem is that its not reading as a 1gig.. on network card it should be orange
same on the netgear router switch it should read as orange when connected as 1gig

Its reading as 1gig through internet.. do you have a link where you got that information
from.. On the actual box of ethernet card it doesnt say much nor on the manual paper.