150 likes | 158 Views
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.
E N D
Field Replaceable Units • Mother boards • CPU • Memory • Sound card video cards • Network card • Hardrive • Floppy drive • Disk drive • Power supply • Mouse • Keyboard • monitor
The POST routine • Memory – replaced as required • Hardrive – replace as demanded • Video card - replace as required • Disk drive - replaced as demanded
Common hardware Problems • Power supply • Network card • Memory capability • CPU speed • Video display • Driver upgrade • Increase in temperature • Motherboard defects • Connection problems
Power Supply • B+, B- Grounding • Defective diodes • Fuse resistors • Leaky capacitors • Defective cooling fan • Leaky transistors or other semiconductor device • Defective switch
Network Cards • Software upgrade • Defective terminals • Defective cables • System configuration and compatibility • Error in the setups
Memory • Lack of memory • Virtual memory • Defective memory card • Memory terminal problem
CPU • Overheating • Under rated • Compatibility issues • Partial CPU damage • Speed • Recognition issues
Video display • Color • Brightness • Picture size and shape • Blank • Frequency issues • Pixel issues • Graphic capability
Driver Upgrade • As recommended by Microsoft • As recommended by hardware vendors
Mother Board • Defective terminal or sockets • PCB lines problem • Bios Issues • Battery problem • Input output communication problem • Partial short circuiting
Flowcharts Hardrive Inputs Memory CPU Outputs Power supply Motherboard
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
Human Perception see action Agent Environment