Knowledgebase : Computer Projectors
For a PDF version of these directions click on the attachment. HOW TO USE A PROJECTOR WITH A LAPTOP, COMPUTER, DVD, OR VCR USING THE LAPTOP  Plug in mouse if you want to use an external mouse  Turn on the computer  Check the box that says workstati...
Our teachers typically duplicate the display on their laptop to the promethean board projector, but Powerpoint can mess with this setting, causing the display to extend instead of clone. To fix this issue, you must change a setting in Powerpoint. Follow ...