NIC CARD ERROR OR OS ERROR

I AM USING A NETWORK PC WITH WIN98 OS
MY PROBLEM IS ALTHOUGH I CAN SEE ANOTHER PC IN NETWORK NEIGHBOURHOOD AND SURFING INTERNET MY PC ONLY CAN PING TO ITS IP ADRESS ANOTHER PC FAILED AND NETWORK PRINTER SETUP NOT RESPON. THE SETUP OF PRINTER IS THE SAME AS ANOTHER PC PRINTER SETUP
IS IT NIC ERROR OR WIN98 ERROR? THANK YOU FOR YOUR HELP