问题补充说明：好像是改了分辨率一样，弄得周围有一圈不显示了，并且看着也没以前清楚我在玩QQ的时候无意间不知道动了什么
需要用到的工具有：iPadAir2。
以iPadAir2为例：
1、打开iPadAir2桌面，点击进入设置，如下图所示：
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2、在设置的通用里面，找到缩放功能，如下图所示：
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3、将缩放区域设置为全屏幕缩放，然后点击打开缩放功能，即可改变iPadAir2分辨率，如下图所示：
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标签：iPad,分辨率
