Hi guyz hop k sab thek hein plz meri ek problem hai mere ek old laptop samsung mein ek option hai fn keys mein , jab mein fn key +f9 pres krta hun to screen pe likha hota hai k WIRELESS LAN ON/OFF so es ka kya mtlb hai ye hai kya?kya ye wifi hai ya kuch or? Plz jaldi btaen plz kya es system ko mobile wifi k sath connect kiya ja skta hai ? Plz wireless lan k baray mein tfseel se btaen k ye kya hai plz jaldi btana mein wait kr reya hn experts plz