i have one pc (A) and when other pc (B and C) tries to ping pc (A) it gets request timed out. but when pc A pings B and C, it get good response. we need to connect to pc A because our data are there. all of the pc can connect to the router and to the internet. i already tried to update pc A wireless network card but its still the same. Can you pls enlighten me with this problem? Thanks!