Comma Full Stop not working in Windows 7 32 Bit

I have installed Windows 7 32 Bit but my "Comma" & "Full Stop" is not working in Windows 7 32 bit

I have cleaned the Keypad but it did not help

Please advice any driver update for HID Keyboard Device 6/1/7601/17514

I am using MacBook Pro 15" 2010 model

Bootcamp 3/0