1
Basic
Troubleshooting
Techniques
Freedom High School
Systems Management
2
Objectives
Provide basic tools and terms used in
computer troubleshooting
Identify major internal and external computer
...
3
Agenda
Introductions
Troubleshooting Basics
Hardware
Common Problems
Preventative Maintenance
Summary
4
Speaking the Lingo
Being able to distinguish between the
“alphabet soup” known as computing
acronyms is important
Online...
5
Hardware Components
Output
Input
•CPU
•Peripherals
6
Troubleshooting Basics
Seven step process
Easiest to Hardest
Outside In
7
Seven Steps in Troubleshooting
Analysis
Problem replication/identification
Action Plan
Implementation
Testing
Documentat...
8
What to include in your
documentation?
Hardware - workstations, servers,
printers, and network devices
Software - operat...
9
Physical Diagram Sample
10
Cabling
Parallel Cable
Serial Cable
USB Cable PS 2
Mouse/Keyboard
Audio Jack Video Cable Network Cable Modem Cable
11
Boot Sequence
Power On
CPU Wakes up
CPU gets POST order from BIOS
POST
Check Battery
Check BIOS Check internal Devices
...
12
Common Problems
Cables
Keyboards and mice
Disk Drives
Overheating
Power problems
Electromagnetic Interference (EMI)
Ele...
13
Cables
Loose
Bent Pins
Failures
Out of Ports
Organization
14
Bad Mouse
15
Keyboard doesn't respond properly
16
CD-ROM/Floppy Drive Issues
17
Overheating
Blocked vents
Dust
Cooling fans
Power supply
Room temperature
Peripheral overload
18
Power Problems
Black Out- Complete power failure
Brown Out- Power “sags” below acceptable
levels causing computer to re...
19
Electromagnetic Interference
Caused by high power sources like motors,
high power lines, etc.
Interfere with communicat...
20
Electrostatic Discharge
Static cling
Environmental causes
Prevention
21
Error Messages
22
Computer displays a disk error or
non-system disk message?
23
Device Drivers
Provide the programs that helps the
computer to “talk” to a peripheral
Common point of failure
Can be di...
24
Viruses
Difficult to fix
Easy to prevent
Important to understand
and be aware of
Common types
The best defense
25
Spyware
Scourge of the
internet
Placed on your
machine without
knowledge or
(usually)
permission
26
Preventative Maintenance
Cleaning
Hard drive
Updates
27
Cleaning
Mouse
Keyboard
Box
Monitor
Printer
Others
28
Hard Drive- Defragmentation
29
Hard Drive- Scandisk
30
Hard Drive- File Maintenance
Disk cleanup
Archiving
Backups
31
Recommended Tools
Compressed air
Alcohol or screen swabs
Small flashlight
Wire ties
32
Final Thoughts
Think simple first
Outside in
Gather resources
Document
Be patient
33
Resources
http://www.tomshardware.com
http://www.more.net
http://www.microsoft.com
http://www.gateway.com
http://www.de...
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081106 computer

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081106 computer

  1. 1. 1 Basic Troubleshooting Techniques Freedom High School Systems Management
  2. 2. 2 Objectives Provide basic tools and terms used in computer troubleshooting Identify major internal and external computer components by sight Verbalize basic troubleshooting steps List at least three resources to enlist in identifying and resolving a problem
  3. 3. 3 Agenda Introductions Troubleshooting Basics Hardware Common Problems Preventative Maintenance Summary
  4. 4. 4 Speaking the Lingo Being able to distinguish between the “alphabet soup” known as computing acronyms is important Online computing terminology sites http://www.pcwebopedia.com http://www.whatis.com Online acronym site http://www.acronymfinder.com
  5. 5. 5 Hardware Components Output Input •CPU •Peripherals
  6. 6. 6 Troubleshooting Basics Seven step process Easiest to Hardest Outside In
  7. 7. 7 Seven Steps in Troubleshooting Analysis Problem replication/identification Action Plan Implementation Testing Documentation Follow Up
  8. 8. 8 What to include in your documentation? Hardware - workstations, servers, printers, and network devices Software - operating systems and applications Network diagram - detailing cabling and showing the location of all hardware devices
  9. 9. 9 Physical Diagram Sample
  10. 10. 10 Cabling Parallel Cable Serial Cable USB Cable PS 2 Mouse/Keyboard Audio Jack Video Cable Network Cable Modem Cable
  11. 11. 11 Boot Sequence Power On CPU Wakes up CPU gets POST order from BIOS POST Check Battery Check BIOS Check internal Devices (HD,RAM, Ports, Mouse, Keyboard, etc.) If ok, then find and load OS OS loads, takes over and loads device drivers, etc. and then the desktop
  12. 12. 12 Common Problems Cables Keyboards and mice Disk Drives Overheating Power problems Electromagnetic Interference (EMI) Electrostatic Discharge (ESD) Windows errors Device drivers Spyware/Viruses
  13. 13. 13 Cables Loose Bent Pins Failures Out of Ports Organization
  14. 14. 14 Bad Mouse
  15. 15. 15 Keyboard doesn't respond properly
  16. 16. 16 CD-ROM/Floppy Drive Issues
  17. 17. 17 Overheating Blocked vents Dust Cooling fans Power supply Room temperature Peripheral overload
  18. 18. 18 Power Problems Black Out- Complete power failure Brown Out- Power “sags” below acceptable levels causing computer to reboot Surges or “Spikes”- Sudden surge of power (i.e. lightning strikes)
  19. 19. 19 Electromagnetic Interference Caused by high power sources like motors, high power lines, etc. Interfere with communication in some types of cabling Causes computer screens to “wobble” or pulse
  20. 20. 20 Electrostatic Discharge Static cling Environmental causes Prevention
  21. 21. 21 Error Messages
  22. 22. 22 Computer displays a disk error or non-system disk message?
  23. 23. 23 Device Drivers Provide the programs that helps the computer to “talk” to a peripheral Common point of failure Can be difficult to fix Check the manufacturer’s websites for notification of upgrades
  24. 24. 24 Viruses Difficult to fix Easy to prevent Important to understand and be aware of Common types The best defense
  25. 25. 25 Spyware Scourge of the internet Placed on your machine without knowledge or (usually) permission
  26. 26. 26 Preventative Maintenance Cleaning Hard drive Updates
  27. 27. 27 Cleaning Mouse Keyboard Box Monitor Printer Others
  28. 28. 28 Hard Drive- Defragmentation
  29. 29. 29 Hard Drive- Scandisk
  30. 30. 30 Hard Drive- File Maintenance Disk cleanup Archiving Backups
  31. 31. 31 Recommended Tools Compressed air Alcohol or screen swabs Small flashlight Wire ties
  32. 32. 32 Final Thoughts Think simple first Outside in Gather resources Document Be patient
  33. 33. 33 Resources http://www.tomshardware.com http://www.more.net http://www.microsoft.com http://www.gateway.com http://www.dell.com http://www.cisco.com
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