internet problem after installing window 7 ultimate

hi guys.please i need your help.
I USE A HP 6735s LAPTOP,AMD ATHLON(TM) X2 DUALCORE QL-62 2.00 GHZ,32 BITS OPERATING SYSTEM.
I JUST REPLACED MY WINDOW VISTA WITH WINDOW 7 ULTIMATE RECENTLY BUT NOT ABLE TO ACCESS THE INTERNET.I HAVE CONNECTION TO BUT THE WEBPAGE JUST REFUSE TO OPEN. PLEASE CAN SOMEONE HELP ME OUT.THANK YOU.

Hello, did you install your drivers after installing Windows 7? Go into Device Manager, and post a screenshot.