Chapter 13 Troubleshooting Methodology and resolving Core Hardware Problems
You are training a class of new technicians on troubleshooting motherboard issues. Which of the following are issues most likely caused by a failing CMOS battery?
BIOS time and setting resets. Attempts to boot to the incorrect device
A Windows user complains that her computer keeps crashing. What is the proprietary crash screen she is most likely seeing?
BSOD
When you turn on a desktop computer, you hear a loud squealing noise coming from inside the case. Which components are potential culprits for making the noise?
CPU fan, Power supply fan, HDD
A desktop computer is experiencing continuous reboots. It gets to the BIOS screen and then reboots every time. Which two components are most likely to cause this problem?
CPU, Motherboard
You have discovered a fix for a broken laptop. Before implementing changes, what should you consider, according to the best practice methodology?
Corporate policies
You have fixed a printer problem and verified full functionality. What is the next step to take in the best practice methodology?
Document findings, actions, and outcomes.
You are using the best practice methodology to troubleshoot a printer. During which phase of the methodology should you use external research based on the symptoms?
Establish a theory of probable cause.
You are using the best practice methodology to troubleshoot a video problem. During which step should you question the obvious?
Establish a theory of probable cause.
You turn on a desktop computer and it fails to boot. You hear a rhythmic ticking coming from inside the case. What is most likely the problem?
Failed hard drive
You are identifying the problem while troubleshooting a network issue. Which of the following are proper steps to help identify the problem?
Inquire regarding infrastructure changes. Question the user and identify user changes to the computer.
When a user turns on his desktop computer, nothing appears on the screen. He hears three long beeps, followed by three short beeps, and three long beeps. What should you do as a next step?
Look up the beep code on the manufacturer's website.
A field technician reports back that the computer she is troubleshooting has exposed distended capacitors. Which component has most likely failed?
Motherboard
A user complains of smoke and a foul odor coming from his desktop computer, so he shut it down. Which component is most likely causing the problem?
Power supply
A user pushes the power button on her desktop computer but nothing happens. She double checks that it is plugged in and that the wall outlet is working properly. Which components are most likely to cause this problem?
Power supply , Power cord
You are troubleshooting a Windows-based desktop computer that is experiencing unexpected shutdowns. Which of the following would be a good next step to resolve the issue?
Replace the RAM to see if it resolves the problem. Replace the CPU to see if it resolves the problem.
You have been troubleshooting a laptop for an hour and have established a theory of probable cause for the problem. What is the next step you should take?
Test the theory to determine the cause.
When a desktop computer boots up, there is no video on the LCD monitor, just a blank screen. The system makes one beep when it powers on, and air is coming out of the case fan. What is the most likely cause of the problem?
The monitor is disconnected.
You have implemented a solution that resolved an audio problem on a laptop computer. Following the best practice methodology, what is the next step to take?
Verify full system functionality and, if applicable, implement preventive measures.
You are solving a problem with a desktop computer that was caused by human error. When is the appropriate time to implement preventive measures, according to the best practice methodology?
When verifying full system functionality
A technician who has been troubleshooting a computer tells you that the system is having problems with overheating. Which component is most likely to cause this issue?
СPU
