Figure 20-21. Checking your disk for errors
3. To check for errors and attempt to resolve them, select either or both of the following options, and then click Start:
Automatically fix file system errors
When this is selected, Windows 7 fixes any filesystem errors it finds.
Scan for and attempt recovery of bad sectors
When this is selected, Windows 7 checks for bad sectors and attempts to recover readable information from them.
4. With the primary disk or other disks that are in use, Check Disk displays a prompt that asks whether you want to schedule the disk to be checked the next time you restart the system. Click Yes to schedule this check.
5. When Check Disk finishes analyzing and repairing the disk, click OK.
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