Anu ba gamit mo? XP, Vista or Win2000. Kc malaki magiging problem nyan pag nagkamali ka ng pagbura ng IP, maybe ur network printer needs an IP address to print files. If naka proxy kayo, by using IE clik on tools, den internet options, den lan settings, if the proxy server has a check, clik mo muna advance button then burahin mo dun mga numbers na nakalagay den clik ok, den tanggalin mo yung check sa use proxy server for your lan, den if meron pa din kaw connection, that would be another problem. right clik mo My Network places, den properties, den right clik mo local area connections den properties, den hanapin mo Internet Protocol (TCP/IP) den clik mo obtain lahat, den clik ok. So far, I think that would help your problem...