Because my bro and his gf and friends usually have laptops, so i have wireless router. PCs still connect through cable tho.
Believe me, i was as surprised as you are. Anyway, i had to operate on the new lan card with iron saw to make it fit

, nothing beats direct hands on approach
Anyway the new card is working, i am here am i not. now to figure out why the laptops have the same problem.