ppt只能放映不能全屏显示怎么办?

原因：在幻灯片放映的设置中设置了自定义放映，放映的幻灯片没有选择全部的幻灯片。
解决方法：
1、首先在“幻灯片放映”中点击自定义幻灯片放映可以看到设置的放映幻灯片缺少了几张。
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2、此时点击“幻灯片放映”中的“设置幻灯片放映”选项。
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3、即可打开设置幻灯片放映的对话框，可以在“放映幻灯片”栏目下看到选择的为“自定义放映1”。
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4、然后将原本选择的“自定义放映”选项更改为“全部”选项即可将幻灯片的放映页面完整显示了。
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