Dell Ethernet Card Network Adapter "port blinking green" Questions

...green port on my hd box find a reset button in ur valet connector, if u didn't get , find a whole and wrote above the whole rst, or nothing if u find a whole many devices has reset button bottom side ...

...port, the right NIC light blinks yellow instead of Green, repeatedly a message says a new hardware is detected and fails to install. i unistalled the driver installed it again restarted but yet know. ...

...port but the blue and green lights do not blink and the Lan is not detected. I checked the Broadcom Driver in the Device Manager..It is workign properly. When I restored the state back to what is was ...