Ch13Powr - File and Disk Maintenance Ch 11 1 Overview How...

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Ch 11 1 File and Disk Maintenance
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Ch 11 2 Overview Overview How to avert hard drive problems and how to avert conditions that can cause data errors will be discussed.
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Ch 11 3 Overview Overview Will learn the purpose and function of and then use Check Disk, Disk Cleanup, Disk Defragmenter, and Task Scheduler.
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Ch 11 4 Overview Overview The importance of and procedures for backing up and restoring files will be discussed.
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Ch 11 5 Overview Overview Will create an Automated System Recovery Disk for start-up problems.
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Ch 11 6 Overview Overview The purpose and function of the Registry will be discussed.
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Ch 11 7 Overview Overview Will use the Computer Management tool to explore and manage your computer system.
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Ch 11 8 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Physical hard drive problems: Wear and tear on hard disk Correct with Power Management and/or Hibernation Head crash Software-related problems: Viruses
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Ch 11 9 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Some error causing conditions to data that may be repairable: Power surges Power outages Locked system
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Ch 11 10 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Check Disk: Locates/repairs problems on hard disk Checks for logical errors in file system Lost clusters Cross-linked files
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Ch 11 11 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk FAT and directory table work in conjunction. Pointers, chain together all clusters that make up an individual file.
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Ch 11 12 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Lost Clusters: Have no directory entry in directory table Do not belong to any file Take up disk space - Unavailable for new data Cannot be retrieved/deleted
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Ch 11 13 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Figure 13.1 Lost Clusters p. 722 Figure 13.1 Lost Clusters p. 722
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Ch 11 14 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Check Disk: Can fix lost clusters automatically or Save them to disk as files
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Ch 11 15 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Cross-Linked Files Two or more files claim same cluster as part of their chain One file claims same cluster twice D ata in cross-linked cluster: Usually correct for only one file May not be correct for any file
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Ch 11 16 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Figure 13.2 Cross-Linked Files p. 722 Figure 13.2 Cross-Linked Files p. 722
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Ch 11 17 Detecting/Repairing Disk Detecting/Repairing Disk Errors with Check Disk Errors with Check Disk Figure 13.3 Another Cross-Linked File p. 723 Figure 13.3 Another Cross-Linked File p. 723
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This note was uploaded on 04/05/2010 for the course CIS CIS 103 taught by Professor Dorisdunn during the Winter '09 term at Skagit Valley College.

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Ch13Powr - File and Disk Maintenance Ch 11 1 Overview How...

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