help netgear router rp614v2

hi everyone,

i am having a bit of a problem with my netgear router it's very strange i have two pc's they both have multiboot and they both have xp home on one drive and xp pro on the other. a mac is also on the network the mac isn't on as much as the windows machines.here's the problem my husband can get online log into the router on both of his hard drives but he has to be pluged into the network via netgear switch pluged into the router. i can only log on on oneside i have tried everything that netgear told me to try they insist ythat the router is malfuctioning it is not because i had a connection on my c: drive before which was almost 2 months ago.where correct before and all of a sudden they where gone. i reset the router when i try to put the same settings as my d: dive i am receiving packets ans sending but i cannot browse the web i can also ping the router. and it will not detect the settings for the router comes up with an ip address that i do not recall. i am not using the orginal nic card from the cable installation due to a powers surge but it was working with the new nic card can someone please help me