My laptop dosnt connect in wi-fi network

Hello, SIR

I M AZAD SONI. I HAVE PROBLEM IN MY LAPTOP WITH WI-FI.

IT WORKS EVERY WHERE WHEN I CONT. TO NETWORK.

MY WORKING PLACE IT DOESNT CONNECT. I WORK IN OFFICE AND WIRELESS MODEL IS NEXT TO ME.

OUT SIDE OTHER CLIENTS CONT. VERY EASY WAY.

WHEN I TRY TO DO THAT , IT SHOWS MESSAGE , LIMITED CONNECTIVITY.

STATUS SHOWS, SENDING DATA FILE - BUT RECEIVING DATA FILE - 0

I M CONFUSED WHAT WRONG IN MY LAPTOP.

SAME PLACE WHERE I SIT I TOOK OTHER CLIENTS LAPTOP AND I CHECKED IT. IT WORKED.

WILL U GUIDE ME PLZZZZZ........