ICAS4022B Determine and plan problem resolution

This unit will present a series of troubleshooting and fault finding methods to help you enhance your chance of success when trying to fix computer problems. Technicians in the workplace are expected to rectify faults quickly, or provide a workaround or solution. You will learn to create a list of possible causes for faults, organise in order of likelihood of each cause and formulate a solution or rectification.
Outcomes for this unit are:\
.Create a list of probable causes
lti(0)disk(0)rdisk(0)partition(1)\winnt=‘Windows 2000 Professional’/fastdetect/MAXMEM=32
.Login Box prompt appears after user presses CTRL + ALT + DEL simultaneously

.User enters required credentials (username, password, domain/preferred server)

.Network server validates user login (credentials are accepted)

.User logged in
An actual graphical representation of this (actual HTA diagram) is shown below.

Activity 5: Cause and Effect Analysis

This is activity will require you to practise developing a Cause and Effect [fishbone] diagram.
Take the sample from the previous activity—A user that attempts to login

Q: Assume that the user was not able to login successfully and develop a fishbone diagram that analyses the possible causes for this user not being able to login
A: One of a possible solution for the fishbone diagram is presented below:

Key terms
Boot-up time faults: Boot-up time faults are those faults that occur during the boot-up sequence.
Cause-and-Effect Diagram: A graphic tool that helps identify, sort, and display possible causes of a problem or quality characteristic. These diagrams sometimes are knows as fishbone diagrams due to their shape.
Cause and Effect Analysis (CEA): Cause and effect is a method which allows a technician to analyse the possible causes of faults (the undesired negative effects). The Cause and Effect method is usually implemented by using Cause and Effect diagrams.

Fault Tree Analysis (FTA): Fault tree analysis is the process of analysing a fault by using a decision tree. Decision trees can be constructed in advance, for common troubleshooting tasks or they can be constructed ad-hoc for new faults.
Hierarchical Task Analysis (HTA): HTA is a logical representation of a process and steps that must occur for this process to begin and finish successfully.
Master Boot Record (MBR): The sector at the beginning of a hard disk that contains bootstrap information, to begin loading an operating system.
POST: POST or Power-On-Self-Test is an initial test that a computer system executes automatically when turned on to check system integrity.
Virtual Memory: Virtual memory is the area of a hard disk drive used to fake memory (RAM). When a system runs out of physical RAM, it relies on available hard disk space to provide working storage.