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Lesson 10

Lesson 10. Core Hardware Fundamentals. System Maintenance. Objectives. Explain the importance of regular preventive maintenance. Identify common cleaning materials and procedures. Describe the appropriate disposal procedures for potentially hazardous components.

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Lesson 10

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  1. Lesson 10 Core Hardware Fundamentals System Maintenance

  2. Objectives • Explain the importance of regular preventive maintenance. • Identify common cleaning materials and procedures. • Describe the appropriate disposal procedures for potentially hazardous components. • Describe desktop removal and replacement procedures. • Describe portable system removal and replacement procedures.

  3. Lint-free cloths Foam swabs Cleaning solution Alcohol Soft brush Vacuum cleaner Compressed air Antistatic spray Screwdrivers, etc. IC puller Tweezers Flashlight and mirror Preventive Maintenance Materials

  4. Excessive Dust

  5. Components Requiring Preventive Maintenance • Computer/system boards • Power supply • Hard disk drive • Floppy disk drive • CD-ROM/DVD drive • Display monitor • Keyboard • Mouse/pointing device • Impact printer • Ink jet printer • Laser printer

  6. Daily Activities • Back up user data • Check for obstruction • Back up network data

  7. Weekly Activities • Clean and dust • Disk checks • Update virus signatures • Review error logs

  8. Quarterly or Half-Yearly Activities • External cleaning • Internal cleaning • Internal checks • Mouse and keyboard maintenance • Disk maintenance • Peripheral tests • Cable checks • Antistatic treatment

  9. Annual Activities • Disk reformat • MFM, RLL and ESDI only! • Clean floppy diskette drives • Clean CD-ROM drives • Voltage checks

  10. Recyclable Materials • Paper • Packaging • Toner cartridges • Ink cartridges • Batteries

  11. Heat Humidity Ventilation Dust/smoke Line voltage concerns Magnetic fields Electrostatic discharge (ESD) Water/liquids Fire protection devices Device/component storage Environmental Concerns

  12. Mouse Keyboard Monitor Power supply Expansion boards Hard disk drive Floppy disk drive Memory Processor Motherboard Desktop Replaceable Modules

  13. Portable Replaceable Modules • External peripherals • AC adapter • Disk modules • Memory • LCD panel • System board

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