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PC Hardware Servicing
Chapter 12: Performing Disk
Management Tasks
Chapter 12 Objectives
• Understand file system hierarchy
• Write-protect and format floppies
• Partition hard disks with F...
Physical File Storage
• Files stored in random access on disk
• FAT or MFT helps OS locate the needed
clusters as needed
File Storage Hierarchy
• Drives
– Root Directory
• Other Directories (Folders)
– Files
• Folders can contain other folders
File Storage Hierarchy
Root Directory
• Top-level organizational unit on a logical
disk
• Physically, a small database file
• Contains pointers t...
Floppy Disks
• 5.25” (obsolete)
– Double sided, double density, 360KB
– Double sided, high density, 1.2MB
• 3.5”
– Double-...
Write-Protecting a Floppy Disk
5.25” Disk 3.5” Disk
Place tape over notch Slide tab to open position
Formatting a Floppy Disk
• Command prompt:
FORMAT A:
– /S transfers system files
– /Q does a quick format
• Windows: Right...
Floppy Disk Care
• Avoid magnets
• Avoid extremes of heat and cold
• Do not get the disk wet
• Do not expose the disk surf...
Partitioning Hard Disks: MS-DOS
and Windows 9x
• Command prompt utility FDISK
• Required before a disk can be used
• Requi...
FDISK
Formatting Hard Disks: MS-DOS
and Windows 9x
• Command prompt utility FORMAT
– Required before OS can be installed
• Windo...
Partitioning in Windows 2000 or XP
Setup
• Windows 2000 and XP Setup has built-in
partitioning and formatting utility
Formatting in Windows 2000 or XP
Setup
Disk Management in Windows
2000/XP
• Takes the place of FDISK and FORMAT
commands
• From Control Panel, choose
Administrat...
Disk Management in Windows
2000/XP
DIR
• /W for multi-column display
• /P for one page at a time
CHKDSK
• Checks for FAT
errors, precurso
r to Scandisk in
Windows 9x
• Does not
correct them
unless /F switch
is used
My Computer
• Right-click drive and choose Properties
System Information
• Look in
Storage
category
Disk Management
Troubleshooting Hard Disks
• BIOS sees drive but OS does not
– Not partitioned yet
• Windows sees drive but cannot read it...
Troubleshooting Hard Disks
• Sector not found error
– Could be physical problem
– Could be a problem with BIOS setup, FAT ...
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Performing Disk Management Tasks

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Performing Disk Management Tasks

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Performing Disk Management Tasks

  1. 1. PC Hardware Servicing Chapter 12: Performing Disk Management Tasks
  2. 2. Chapter 12 Objectives • Understand file system hierarchy • Write-protect and format floppies • Partition hard disks with FDISK • Format hard disks with FORMAT • Partition and format disks in Windows Setup • Partition and format disks in Disk Management
  3. 3. Physical File Storage • Files stored in random access on disk • FAT or MFT helps OS locate the needed clusters as needed
  4. 4. File Storage Hierarchy • Drives – Root Directory • Other Directories (Folders) – Files • Folders can contain other folders
  5. 5. File Storage Hierarchy
  6. 6. Root Directory • Top-level organizational unit on a logical disk • Physically, a small database file • Contains pointers to any files and folders stored within it
  7. 7. Floppy Disks • 5.25” (obsolete) – Double sided, double density, 360KB – Double sided, high density, 1.2MB • 3.5” – Double-sided, double density, 720KB – Double-sided, high density, 1.44MB
  8. 8. Write-Protecting a Floppy Disk 5.25” Disk 3.5” Disk Place tape over notch Slide tab to open position
  9. 9. Formatting a Floppy Disk • Command prompt: FORMAT A: – /S transfers system files – /Q does a quick format • Windows: Right-click drive and choose Format
  10. 10. Floppy Disk Care • Avoid magnets • Avoid extremes of heat and cold • Do not get the disk wet • Do not expose the disk surface • Keep 5.25” disks in dust jackets
  11. 11. Partitioning Hard Disks: MS-DOS and Windows 9x • Command prompt utility FDISK • Required before a disk can be used • Required before OS can be installed
  12. 12. FDISK
  13. 13. Formatting Hard Disks: MS-DOS and Windows 9x • Command prompt utility FORMAT – Required before OS can be installed • Windows Format Utility – An alternative to FORMAT, provided Windows is already installed and this is an additional drive being added
  14. 14. Partitioning in Windows 2000 or XP Setup • Windows 2000 and XP Setup has built-in partitioning and formatting utility
  15. 15. Formatting in Windows 2000 or XP Setup
  16. 16. Disk Management in Windows 2000/XP • Takes the place of FDISK and FORMAT commands • From Control Panel, choose Administrative Tools, then Computer Management, then Disk Management
  17. 17. Disk Management in Windows 2000/XP
  18. 18. DIR • /W for multi-column display • /P for one page at a time
  19. 19. CHKDSK • Checks for FAT errors, precurso r to Scandisk in Windows 9x • Does not correct them unless /F switch is used
  20. 20. My Computer • Right-click drive and choose Properties
  21. 21. System Information • Look in Storage category
  22. 22. Disk Management
  23. 23. Troubleshooting Hard Disks • BIOS sees drive but OS does not – Not partitioned yet • Windows sees drive but cannot read it – Not formatted yet • Not bootable – Boot files missing • Data errors reading or writing – Damaged area on disk, run disk check
  24. 24. Troubleshooting Hard Disks • Sector not found error – Could be physical problem – Could be a problem with BIOS setup, FAT or MFT, or virus – Back up data as possible, repartition, reformat • Loss of partition information – Physical problem or virus – Disk recovery tools available (3rd party)

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