Click Help and carry out the instructions for running Scan Disk, and then try defragmenting again.

单击“帮助”执行运行磁盘扫描所需的步骤，然后重试运行碎片整理。

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Click Help and carry out the instructions for running Scan Disk, and then try defragmenting again.

单击“帮助”执行运行磁盘扫描所需的步骤，然后重试运行碎片整理。

youdao