Solve the problem of black edge appearing around and up and down when projector shows PPT

Prepare an activity, out of a ppt,ppt show not up and down have black edge, is left and right, although not affect the content, but the screening effect is too poor, so, do not, also can not endure imperfect, turn to the network, finally have to

There must be cause:

Screen resolution (scale) does not match the default show ratio in PPT, for example, my computer screen scale is 16:9, but ppt default ratio is 4:3

Workaround:

1. Open the PPT you want to show

2. On the "View" tab, click "Slide Master", Low Version Office Click " Page Setup", High-version office (such as PowerPoint2013) click "Slide Size", select "Customize Slide Size"

3. "Slide Size" option box select "Custom", if your computer resolution is 1440*900, that will set the number of centimeters to 48.77*30.48, other default, do not change

4. In the pop-up box, select "Maximize"

5. Close Master view

Complete the above steps, you will no longer be troubled by the black side, difficult to have a, method thousands, hoping to help the needs of friends

Finally attach the help page:

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Solve the problem of black edge appearing around and up and down when projector shows PPT