Default samsung tab10.1 p5113 wifi problem :(

Hi all .. plz help ,, my tab10,1 (p5113) cannot connect to any wifi network .. i do every thing i know (wipe data factory reset +wipe cache+
wipe dalvic cach) after that i flash CM10 + CM11 and try stock roms (4.1.1 + 4.2.2) and reset my router but still the same result (cannot connect) , 6 days of searching and no hope ... plz any one can help me