The operation method is as follows:

Operating equipment: Dell computer

Operating system: win1

Operating software: ppt217

1. Open ppt

First, open the ppt with the background music turned off, and click View in the menu bar.

2. Enter the slide master

Click the slide master in the view menu bar to display the slides in master mode.

3. After setting the master

, select the master in the slide to set it.

4. Closing is complete

Finally, after opening the master, click the speaker icon on the master to delete it.