Software to know the dead pixel

Are you sure that your laptop LCD screen is not broken? To find out you can use this software.

Dead Pixel Buddy is a software that is made to examine the presence or absence of dead pixels on lcd screen. Dead pixel is a blank area that can degrade the quality of the LCD screen.

By using this software, you can test whether you have a laptop LCD screens dead pixels.

This software is free software, so you can download from this site.
http://www.hiren.info/download/freeware-tools/DeadPixelBuddy.zip