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hey speed demons so how do you turn your powerpoint screen black in the middle of your presentation so you can take a break and more importantly whatamp;#39;s the trick to being able to ink on that black screen like this so that you can take notes in the middle of your presentation or do whatever you want so letamp;#39;s take a look so if iamp;#39;m flipping through my slides and i want to take a break the keyboard shortcut is to hit the b key or the period key on your keyboard hitting b or period will turn your screen black hitting a second time will bring you right back to your presentation so if youamp;#39;re giving a presentation and you want to take a break or answer questions you can just hit the b key your screen will go absolutely black you can answer those questions and then when youamp;#39;re done or you come back from your coffee break just hit b again to continue on with your presentation now the trick to being able to write on that black screen as a blackboard is the
