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Getting started with PC hardware support. Unit objectives Identify the external components of a PC Distinguish between hardware, software, and firmware Describe troubleshooting models. Topic A. Topic A: Computer components overview Topic B: Hardware, software, and firmware
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Getting started with PC hardware support Unit objectives • Identify the external components of a PC • Distinguish between hardware, software, and firmware • Describe troubleshooting models
Topic A • Topic A: Computer components overview • Topic B: Hardware, software, and firmware • Topic C: Troubleshooting models
External components Monitor Speaker Case Keyboard Mouse
Internal components CD-ROM drive Power supply Floppy drive CPU/fan Adapter Hard drive Motherboard
Activity A-1 Identifying external components of a PC
Notebook computer Monitor Keyboard Touchpad
Activity A-2 Identifying the components of a network computer
Topic B • Topic A: Computer components overview • Topic B: Hardware, software, and firmware • Topic C: Troubleshooting models
Hardware • Physical components: • Monitor • Printer • CD or DVD drive • CPU processing chip
Software • Instructions processed by CPU • Operating system • Word processors • Spreadsheets • Graphics editors
Firmware • Software stored on a chip • Software written permanently or semi-permanently to a computer chip
Activity B-1 Comparing hardware, software, and firmware
Topic C • Topic A: Computer components overview • Topic B: Hardware, software, and firmware • Topic C: Troubleshooting models
Troubleshooting models • CompTIA A+ troubleshooting model • CompTIA Network+ model • Novell network troubleshooting model • The ASID model
Basic stages of troubleshooting • Back up data • Divide and analyze • Verify • Research • Document
CompTIA A+ model • Identify • Analyze • Test • Evaluate • Document
CompTIA Network+ model • Identify the exact issue • Re-create the problem • Isolate the cause • Formulate a correction • Implement the correction • Test the solution • Document the problem and solution • Provide feedback
Novell troubleshooting model • Try some quick, obvious fixes • Gather basic information • Develop a plan • Execute your plan • Verify user satisfaction • Document the problem and solution
The ASID model • Acquire • Simplify • Implement • Document
Documentation • Paper vs. software • Organization scheme • Level of detail
Microsoft Knowledge Base • Problem and solution references • Download patches and new releases • Explanations for many Microsoft error messages • URL is support.microsoft.com • Print articles or save articles for later reference
Activity C-1 Troubleshooting problems
Unit summary • Identified the external components of a PC • Distinguished between hardware, software, and firmware • Described troubleshooting models