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Field Replaceable Units, Common Problems, and Flowcharts

This guide provides detailed information on common hardware problems and troubleshooting techniques for field replaceable units such as motherboards, CPUs, memory, sound cards, video cards, network cards, hard drives, floppy drives, disk drives, power supplies, mice, keyboards, and monitors. Includes flowcharts and diagnostic routines.

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Field Replaceable Units, Common Problems, and Flowcharts

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  1. Field Replaceable Units, Common Problems, and Flowcharts

  2. Field Replaceable Units • Mother boards • CPU • Memory • Sound card video cards • Network card • Hardrive • Floppy drive • Disk drive • Power supply • Mouse • Keyboard • monitor

  3. The POST routine • Memory – replaced as required • Hardrive – replace as demanded • Video card - replace as required • Disk drive - replaced as demanded

  4. Common hardware Problems • Power supply • Network card • Memory capability • CPU speed • Video display • Driver upgrade • Increase in temperature • Motherboard defects • Connection problems

  5. Power Supply • B+, B- Grounding • Defective diodes • Fuse resistors • Leaky capacitors • Defective cooling fan • Leaky transistors or other semiconductor device • Defective switch

  6. Network Cards • Software upgrade • Defective terminals • Defective cables • System configuration and compatibility • Error in the setups

  7. Memory • Lack of memory • Virtual memory • Defective memory card • Memory terminal problem

  8. CPU • Overheating • Under rated • Compatibility issues • Partial CPU damage • Speed • Recognition issues

  9. Video display • Color • Brightness • Picture size and shape • Blank • Frequency issues • Pixel issues • Graphic capability

  10. Driver Upgrade • As recommended by Microsoft • As recommended by hardware vendors

  11. Mother Board • Defective terminal or sockets • PCB lines problem • Bios Issues • Battery problem • Input output communication problem • Partial short circuiting

  12. Flowcharts Hardrive Inputs Memory CPU Outputs Power supply Motherboard

  13. Basic Repair, Troubleshooting and Diagnostic Routines • Adware / Spyware / Malware / Virus Detection, Removal & Prevention • Computer Check ups • Hardware Diagnostics, Installations, Expansions, Repair & Upgrades • Software Diagnostics, Installations, Expansions, Repair & Upgrades • Networking • Preventive Maintenance • System Diagnostics • System Installation & Setup

  14. Human Perception see action Agent Environment

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