ethernet wont work after update

hi all
i just updated the packages via yast on my aspire one (opensuse 11.0) and rebooted as it told me to and now knetworkmanager doesnt work properly it says there is no cable plugged in when there is…
please help…
theacerguy

kde ? ? (3,4)
are you using cable only or wireless also?
Do you know the device type?