How to Repair Laptop Keyboard Software

Summary:
Long time age, I was facing the Problem of Keyboard (When I press any key computer thinks that CTRL Key is pressed and only responds to Shortcut keys like Ctrl+V etc).

Purpose:
This is usually occurs when we play games.Those days I was playing Ashes 2009.I was very worried about that even I changed my Repair Windows through installing it again but problem remains the same.Many people told me that your keyboard hardware is failure.But on day I thought that if my hardware fails then its keys would also not work. 

Detailed Method:
Here's the Rest of the Story, at the end of video website shown is also mine landinsider.