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Ch 111 File and Disk Maintenance
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Ch 112 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 113 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 114 Overview The importance of and procedures for backing up and restoring files will be discussed.
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Ch 115 Overview Will create an Automated System Recovery Disk for start-up problems.
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Ch 116 Overview The purpose and function of the Registry will be discussed.
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Ch 117 Overview Will use the Computer Management tool to explore and manage your computer system.
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Ch 118 Detecting/Repairing Disk Errors with Check Disk è Physical hard drive problems: å Wear and tear on hard disk Ø Correct with Power Management and/or Hibernation å Head crash è Software-related problems: è Viruses
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Ch 119 Detecting/Repairing Disk Errors with Check Disk Some error causing conditions to data that may be repairable: è Power surges è Power outages è Locked system
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Ch 1110 Detecting/Repairing Disk Errors with Check Disk Check Disk: è Locates/repairs problems on hard disk è Checks for logical errors in file system åLost clusters åCross-linked files
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Ch 1111 Detecting/Repairing Disk Errors with Check Disk è FAT and directory table work in conjunction. è Pointers, chain together all clusters that make up an individual file.
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Ch 1112 Detecting/Repairing Disk Errors with Check Disk Lost Clusters: è Have no directory entry in directory table è Do not belong to any file è Take up disk space - è Unavailable for new data åCannot be retrieved/deleted
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Ch 1113 Detecting/Repairing Disk Errors with Check Disk Figure 13.1 Lost Clusters p. 722
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Ch 1114 Detecting/Repairing Disk Errors with Check Disk Check Disk: è Can fix lost clusters automatically or è Save them to disk as files
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Ch 1115 Detecting/Repairing Disk Errors with Check Disk Cross-Linked Files è Two or more files claim same cluster as part of their chain è One file claims same cluster twice è D ata in cross-linked cluster: åUsually correct for only one file åMay not be correct for any file
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Ch 1116 Detecting/Repairing Disk Errors with Check Disk Figure 13.2 Cross-Linked Files p. 722
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Ch 1117 Detecting/Repairing Disk Errors with Check Disk Figure 13.3 Another Cross-Linked File p. 723
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Ch 1118 Detecting/Repairing Disk Errors with Check Disk Check Disk: è CAN check/repair local hard drives, floppy disks, and removable drives è CANNOT find/fix errors on CD- ROMs or network drives
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Ch 1119 Detecting/Repairing Disk Errors with Check Disk Check Disk: è Should be used on a regular basis è Close all open programs when using this program
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Ch 1120 Detecting/Repairing Disk Errors with Check Disk If disk is formatted at NTFS, Windows XP Professional will automatically (without running Check Disk): è Log all file transactions è Replace bad clusters è Store copies of key information for all files on NTFS volume
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Ch 1121 Activity - Using Check Disk KEY CONCEPTS: è Invoking Check Disk program è Two options available in Check Disk Options åAutomatically fix file system errors åScan for and attempt recovery of bad sectors è Status bar
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Ch 1122 Cleaning Up Your Disk Computer performance depends a great deal on the hard drive.
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Ch 1123 Cleaning Up Your Disk Need disk space for: è New files è Temporary files è Documents waiting to be printed è Cache files è Recycle
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Ch 1124 Cleaning Up Your Disk Disk cleanup is a utility that helps maintain the hard disk.
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Ch 1125 Activity - Using Disk Cleanup KEY CONCEPTS: è Computer analysis è Confirm files to be eliminated è Options to free up disk space è System Restore è Restore Point
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Ch 1126 Contiguous and Noncontiguous Files Windows XP Professional keeps track of data by placing it into a file.
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Ch 1127 Contiguous and Noncontiguous Files To store and retrieve files: è Disk divided into numbered blocks called sectors è Sectors grouped into clusters
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Ch 1128 Contiguous and Noncontiguous Files When a file in FAT or FAT32 deleted: è Only entries in FAT deleted è Space file occupied becomes available
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Ch 1129 Contiguous and Noncontiguous Files Files are: è Contiguous è Noncontiguous (fragmented)
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Ch 1130 Contiguous and Noncontiguous Files Fragmented disk: è Composed of noncontiguous files
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Ch 1131 Optimizing the Performance of Disks The defragger/disk optimization program: è Used to optimize disk performance
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Ch 1132 Optimizing the Performance of Disks Prior to running Disk Defragmenter: è Run Check Disk and Disk Cleanup è Remove all lost/cross-linked clusters and unnecessary files è Close All open programs è Allow ample time è Back up disk
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Ch 1133 Activity - Using Disk Defragmenter KEY CONCEPTS: è Floppy disks cannot be defragmented è Where the defragger can be started è Function of line color è Volume Information
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Ch 1134 Starting Programs Automatically Task Scheduler can be used to schedule any program to run at any time.
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Ch 1135 Starting Programs Automatically When scheduling tasks to run unsupervised, be sure task... Ø does not need user input. Ø can exit when task is completed.
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Ch 1136 Activity - Using Task Scheduler KEY CONCEPTS: è Scheduling maintenance with Task Scheduler åUser scheduling must be identified è Advanced features on menu bar è Extension of Task Scheduler files
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Ch 1137 Backing Up Your Data è Backup is a duplicate of file/s on a disk copied to another medium. åUse tape backup unit or removable drive with removable media è Retrieve files by restoring them.
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Ch 1138 Backing Up Your Data When you are working: è Create settings, install/delete programs è Add/make changes to system Registry åIf Registry becomes corrupt will not be able to boot Windows XP Professional
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Ch 1139 Backing Up Your Data It is important to backup your entire hard drive.
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Ch 1140 Backing Up Your Data Every file has attributes. è One attribute is archive bit. åThis bit is either on or off.
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Ch 1141 Backing Up Your Data Windows XP Professional supports five methods of backup: è Normal (Full) Backup è Incremental Backup è Differential Backup è Daily Backup è Copy Backup
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Ch 1142 Backing Up Your Data Full backup: Longer to backup Faster to restore Incremental backup: Faster to backup Slower to restore
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Ch 1143 Backing Up Your Data Usually use combination of : è Full and incremental backups åFaster to backup åSlower to restore è Full and differential backups åLonger to backup åShorter to restore
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Ch 1144 Backing Up Your Data è Need a regular backup schedule. è Wise to have more than one copy of backup media.
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Ch 1145 Backing Up Your Data Uses of Backup: è Archive data è Make room on hard disk è Transfer files to other computers è Make new computer look like old system
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Ch 1146 Activity - Using Backup KEY CONCEPTS: è Backup and Restore Wizard è Four choices in Backup files & Settings è Backup Wizard window Vs Explorer window è Types of backups è Backup labels
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Ch 1147 Restore Backup/Restore Wizard: è Backup option å Used to copy some/all files to original disk, another disk, or another directory è To restore choose åRestore and type of restoration åRestore Wizard
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Ch 1148 Activity - Restoring Files KEY CONCEPTS: è Use of Backup or Restore Wizard è Where files can be restored è Determining how files will be restored è Wizard does not have to be used to backup or restore files è When Backup tasks can be scheduled
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Ch 1149 Automated System Recovery Automated System Recovery (ASR): è Part of a built-in repair system for solving system problems å Relies on creation of Automated System Recovery è Restores system as it was when ASR created or updated
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Ch 1150 Automated System Recovery Automated System Recovery restores system as it was when ASR was created or updated.
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Ch 1151 Automated System Recovery To repair system need ASR, availability of backed up system files and Windows XP Professional installation CD.
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Ch 1152 The Registry Configuration information: è Contains data about the system åHardware åApplications åUser preferences
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Ch 1153 The Registry Previous Windows versions used.INI files for configuration information.
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Ch 1154 The Registry Two types of initialization files: è System initialization files è Private initialization files
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Ch 1155 The Registry è Previous window versions had two primary initialization files: å WIN.INI å SYSTEM.INI è Also used REG.DAT
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Ch 1156 The Registry Today, Windows XP Professional uses single location, the Registry, for hardware, system software, and application configuration information.
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Ch 1157 The Registry Registry information comes from: è Installation of WXP Professional è Booting of WXP Professional è Applications è System and User interaction
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Ch 1158 The Registry Registry: è Critical to the operation of Windows XP Professional è Files kept in %SystemRoot%\System32\Config è Back up files kept in %SystemRoot%\Repair\RegBack
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Ch 1159 The Registry The Registry can be restored by using: è Recovery Console - if using ASR disk è “Last Known Good Configuration” option è Safe Mode å Loads minimum amount of drivers and functionality that allows Windows to run
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Ch 1160 The Registry Figure 13.4 The Startup Menu p. 761
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Ch 1161 System Restore System Restore can: è Undo changes made to computer è Roll back computer to more stable state è Save email messages, browsing history, etc. è Use calendar to select which date you want to restore to è Provide several restore points
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Ch 1162 System Restore è System restore does not save or restore documents. è All system restores are reversible
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Ch 1163 Activity - Using System Restore KEY CONCEPTS: è Created restore point åMake name of restore point brief but meaningful è Displayed restore points åAny bold date on calendar holds restore point
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Ch 1164 Plug and Play and Device Drivers Plug and Play automates adding new hardware to computer.
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Ch 1165 Plug and Play and Device Drivers Windows XP Professional has added support for new type of devices.
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Ch 1166 Plug and Play and Device Drivers For Plug and Play to work: è Computer needs Plug and Play compatible BIOS è Device to be installed is Plug and Play compatible è Compatible Plug and Play Operating System
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Ch 1167 Plug and Play and Device Drivers Full support in Windows XP Professional requires: è ACPI è BIOS è Windows XP Professional operating system è Device to be installed åDrivers for device
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Ch 1168 Plug and Play and Device Drivers Legacy hardware: è Hardware that is not Plug and Play compatible.
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Ch 1169 Activity - Looking at Plug and Play KEY CONCEPTS: è Determining if computer and Plug and Play are compatible è Driver tab (not all devices have one) åDriver details, Update driver å Roll back driver, Uninstall è Device manager window used to determine if devices are working properly
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Ch 1170 The Paging File Computer’s system performance impacted by: è Processor è Amount of physical memory
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Ch 1171 The Paging File Paging file: è Space on the hard drive used as virtual memory when the system runs out of physical memory
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Ch 1172 The Paging File Paging file: è Slows down performance è Enlarges operating space
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Ch 1173 The Paging File è User can set place/size of paging file. BUT è Microsoft recommends letting Windows manage paging file.
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Ch 1174 Activity - Looking at Setting Up Your Paging File KEY CONCEPT: è Can specify virtual memory settings åFor best performance follow Windows suggestions è Only administrator can make changes
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Ch 1175 Administrative Tools and System Information System Information: è Collects/displays system configuration information for local and remote computers
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Ch 1176 Administrative Tools and System Information Microsoft Management Console (MMC) : è Tool used to create, save, and open collections of administrative tools
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Ch 1177 Administrative Tools and System Information Figure 13.5 Administrative Tools p. 775
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Ch 1178 Activity - Using Information and Computer Management KEY CONCEPTS: è System Summary è Tools that can be used åSystem Restore, Net Diagnostic, file Signature Verification Utility, Direct X, and Dr. Watson è Disk Management tool åGraphical tool for managing disks åDo online administrative tasks without shutting down system/interrupting users åProvides shortcut menus for tasks on selected object åMust be administrator to use äSupport for partitions and logical drives
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