Questions with Complete Answers.
The field replaceable units (FRUs) on a motherboard are the __________, the processor
___________ assembly, RAM, and the CMOS________________. - Answer processor, Cooler,
Battery
When testing a laptop power connector, the voltage range should be plus or minus _____
percent of the accepted voltage. - Answer 5
Scenario:
When testing your theory, you discover that you are wrong.
What is your next step in the troubleshooting process?
Give up and go home
Establish a plan of action to resolve the problem.
Establish a new theory of probable cause.
Document your findings.
Ask your client more questions. - Answer Establish a new theory of probable cause.
heat sink - Answer A component made of metal that is designed to draw heat away from a
processor into the fins
CAG - Answer A round air duct that helps direct air to the processor
dual rail - Answer A power supply with a second +12v rail
lithium ion - Answer The technology most commonly used by battery packs
Use ______________ air, a blower, or an antistatic vacuum to remove dust from the power
supply, the vents over the entire computer, and the processor cooler fan. - Answer
compressed
,Scenario:
You are troubleshooting a computer that your client said turns off during normal operation.
While you are trying to identify the problem, the client also informs you that if he waits a while,
the computer will turn back on and run normally for a bit.
You open the system and immediately notice a large dust buildup around the processor fan and
heat sink.
What problem can you detect on the computer and confidently report to your client?
The system is overheating.
The processor cooling system has failed.
Overclocking has failed.
The processor must be replaced. - Answer The system is overheating.
A 4-pin header on a motherboard supports __________________ that controls fan speed in
order to reduce overall noise in a system. (three-word answer; one word per blank) - Answer
Pulse Width Modulation
Which component may be considered a field replaceable unit or FRU on a desktop?
Power supply
Hard drive
RAM
All of these
case fan
Motherboard - Answer All of these
What is the most used rail on a power supply?
, +3.3V
-12V
-5V
+12V - Answer +12V
Recommendation:
When you verify a system is functioning properly, you determine that the problem could have
been prevented.
What should you do to help the computer's user avoid having the same problem again?
Don't tell the user anything so that he will have to call you back when the problem occurs again.
Lock the user out of the problem area.
Instruct the user on how to prevent the problem.
Document the problem and hope the user reads your notes. - Answer
If you see smoke you should immediately open the case to try to identify the component that is
causing it.
True
False - Answer False
One long and two short beeps when using an Award BIOS is an indication of what issue?
a CPU problem
memory error