As the computer boots up, repeatedly hit the F8 key until the Advanced Boot Options appear. This menu allows you to boot to a command prompt without loading Windows. ” The computer will continue booting and you will see a list of drivers being loaded. After they finish loading you will be presented with a command prompt. Type “chkdsk” and press enter to run a check on the current drive without fixing any errors.  To run chkdsk and fix errors, type “chkdsk c:/f” Replace “c” with the drive letter you would like to fix. To run chkdsk and fix errors, locate sectors and retrieve data, type “chkdsk c:/r” Replace “c” with the drive letter you would like to fix. You may be prompted to restart if the drive is in use. If prompted, press Y to accept.

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Write a summary of the previous text in Chinese:
重新启动计算机。 选择“带命令行的安全模式”。 运行 chkdsk。