Connect to a projector feature is part of Windows® 7 package
answer: completely understood allan
If you are able to install the latest Intel(R) graphics driver.
answer: this is problem that i'm facing it right now, somehow, i successfully installed latest intel graphic driver from lenovo & intel website (either using driver Intel HD Graphic Family, Intel HD 4400 , etc) but.. still, i cant get output of my display to projector/external monitor..
See this link: Connect to a projector
answer: completely understood of the step, but still unsucessful,
is it h/w problem or drivers issue??
I just reinstalled Windows® 7 on my laptop and installed the latest video drivers 4294
What type of video cables are you currently using with the projector and laptop?
Please try steps available on this page: Graphics Drivers — Multiple Displays Frequently Asked Questions (FAQ)
Also, try Windows control panel, Hardware and Sound > Connect to a projector