在磁盘碎片整理程序对话框中，单击你要整理的驱动器，然后点击分析按钮。

In the Disk Defragmenter dialog box, click the drives that you want to defragment, and then click the Analyze button.

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在磁盘碎片整理程序对话框中，单击你要整理的驱动器，然后点击分析按钮。

In the disk Defragmenter dialog box, click the drives that you want to defragment and then click the Analyze disk button.

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