This document discusses safety precautions for diagnosing computer systems errors. It describes various types of personal protective equipment, including anti-static devices to protect against static electricity, power surge protectors to protect against power fluctuations, and personal tools. Examples are given such as anti-static wrist straps, surge protectors, screwdrivers and compressed air. Students are instructed to complete a worksheet identifying protective devices and their uses, and a quiz to classify example equipment.

1. INFORMATION AND
COMMUNICATION
TECHNOLOGY 9:
Computer Hardware Servicing
Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
SAFETY PRECAUTIONS

2. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
Personal Protective Equipment
▪ Proper preparation is the key to a successful
work.
▪ Before you begin, make sure that you have
the tools you will need, and secure a clear
well-lit workplace.
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SAFETY PRECAUTIONS

3. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
Personal Protective Equipment
▪ Gather all the components you’ll be using and
unpack them at the same time.
▪ Always keep in mind that personal protection
is one of the traits of a good computer
technician.
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SAFETY PRECAUTIONS

4. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
Types of personal protective devices
1. Anti-static devices
2. Power surge protectors
3. Personal equipment
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SAFETY PRECAUTIONS

5. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
1. Anti-static devices
▪ Devices designed to protect the computer
from static electricity.
Anti-staticWrist Strap
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SAFETY PRECAUTIONS

6. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
1. Anti-static devices
▪ Devices designed to protect the computer
from static electricity.
Anti-static Mat
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SAFETY PRECAUTIONS

7. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
1. Anti-static devices
▪ Devices designed to protect the computer
from static electricity.
Anti-static Bag
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SAFETY PRECAUTIONS

8. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
1. Anti-static devices
▪ Devices designed to protect the computer
from static electricity.
Anti-static Spray
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SAFETY PRECAUTIONS

9. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
2. Power surge protectors
▪ Devices designed to protect the computer
from sudden power surges from intermittent
power sources.
AutomaticVoltage
Regulator (AVR)
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SAFETY PRECAUTIONS

10. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
2. Power surge protectors
▪ Devices designed to protect the computer
from sudden power surges from intermittent
power sources.
Uninterruptible Power
Supply (UPS)
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SAFETY PRECAUTIONS

11. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
3. Personal equipment
Small paint brush
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SAFETY PRECAUTIONS

12. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
3. Personal equipment
Screw drivers
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SAFETY PRECAUTIONS

13. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
3. Personal equipment
Pliers and tweezers
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SAFETY PRECAUTIONS

14. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
3. Personal equipment
Compressed air
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SAFETY PRECAUTIONS

15. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
3. Personal equipment
Hand held vacuum
cleaner
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SAFETY PRECAUTIONS

16. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
SEATWORK
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SAFETY PRECAUTIONS

17. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
SEATWORK
Instruction: In ½ crosswise intermediate pad paper
create a table with two columns. On the
first column write down the personal
protective devices. On the second column
write down opposite these devices how
they can be used when assembling or
disassembling a computer. (15 minutes)
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SAFETY PRECAUTIONS

18. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
SEATWORK
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SAFETY PRECAUTIONS
Personal Protective
Device
How it is used when assembling or
disassembling a computer
A. Anti-static Devices
1. Anti-static wrist strap
2. Anti-static mat
3. Anti-static bag
4. Anti static spray
B. Power Surge Protector
1. UPS

19. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
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SAFETY PRECAUTIONS

20. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
Instruction: Identify and classify whether the
device pictured is an anti-static
device (ASD), power surge
protector (PSP), or a personal
equipment (PE).
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SAFETY PRECAUTIONS

21. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
1.
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SAFETY PRECAUTIONS

22. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
2.
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SAFETY PRECAUTIONS

23. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
3.
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SAFETY PRECAUTIONS

24. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
4.
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SAFETY PRECAUTIONS

25. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
5.
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SAFETY PRECAUTIONS

26. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
6.
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SAFETY PRECAUTIONS

27. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
7.
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SAFETY PRECAUTIONS

28. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
8.
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SAFETY PRECAUTIONS

29. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
9.
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SAFETY PRECAUTIONS

30. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
QUIZ
10.
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SAFETY PRECAUTIONS

31. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
End of
QUIZ
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SAFETY PRECAUTIONS

32. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
ANSWERSTO QUIZ
1. small paint brush - PE 6. hand held vacuum - PE
2. anti-static spray - ASD 7. compressed air - PE
3. UPS - PSP 8. anti-static wrist strap -ASD
4. screw driver - PE 9. AVR - PSP
5. anti-static bag - ASD 10. anti-static mat - ASD
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SAFETY PRECAUTIONS

33. Module 4, Lesson 1: PLAN AND PREPARE FOR DIAGNOSIS OF
COMPUTER SYSTEMS ERRORS
End of
Module 4, Lesson 1: PLAN AND PREPARE FOR
DIAGNOSIS OF COMPUTER SYSTEMS ERRORS
SAFETY PRECAUTIONS
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SAFETY PRECAUTIONS