The Troubleshooting Process
UNESCO-NIGERIA TECHNICAL & VOCATIONAL EDUCATION REVITALISATION PROJECT-PHASE II
NATIONAL DIPLOMA IN COMPUTER TECHNOLOGY
Computer System Troubleshooting1
COURSE CODE: COM 216
YEAR 2 SEMESTER 1 THEORETICAL BOOK Version 1: December 2008
Table Of Content
Opening the Display Properties Panel ....................................................................... 107 The Layout of the Panel ............................................................................................. 108 Background ................................................................................................................ 108 Screen Saver............................................................................................................... 109 Appearance ................................................................................................................ 110 Effects ........................................................................................................................ 111 Web ............................................................................................................................ 111 Settings ....................................................................................................................... 112
Week 1 This Week Learning Outcome To Understand:
The Process of Fault diagnosis
The Universal Troubleshooting Process
Regardless of how complex your particular computer or peripheral device might be, a dependable troubleshooting procedure can be broken down into four basic steps (Fig. 4-1): define your symptoms, identify and isolate the potential source (or location) of your problem, replace the suspected sub-assembly, and re-test the unit thoroughly to be sure that you have solved the problem. If you have not solved the problem, start again from Step #1. This is a “universal” procedure that you can apply to any sort of troubleshooting—not just for personal computer equipment.
Define Your
NATIONAL DIPLOMA IN COMPUTER TECHNOLOGY
Computer System Troubleshooting1
COURSE CODE: COM 216
YEAR 2 SEMESTER 1 THEORETICAL BOOK Version 1: December 2008
Table Of Content
Opening the Display Properties Panel ....................................................................... 107 The Layout of the Panel ............................................................................................. 108 Background ................................................................................................................ 108 Screen Saver............................................................................................................... 109 Appearance ................................................................................................................ 110 Effects ........................................................................................................................ 111 Web ............................................................................................................................ 111 Settings ....................................................................................................................... 112
Week 1 This Week Learning Outcome To Understand:
The Process of Fault diagnosis
The Universal Troubleshooting Process
Regardless of how complex your particular computer or peripheral device might be, a dependable troubleshooting procedure can be broken down into four basic steps (Fig. 4-1): define your symptoms, identify and isolate the potential source (or location) of your problem, replace the suspected sub-assembly, and re-test the unit thoroughly to be sure that you have solved the problem. If you have not solved the problem, start again from Step #1. This is a “universal” procedure that you can apply to any sort of troubleshooting—not just for personal computer equipment.
Define Your