Chapter 4 Quiz Flashcards
Paul is playing a game when his computer shuts down unexpectedly. Paul has noticed recently that his fans are running very loud. When Paul turns his computer back on, it starts to boot and then shuts off again.
What is a possible problem with Paul’s computer?
Computer is overheating.
Landon starts his computer and receives the error message, “Hard drive is not found.” In a panic, he calls you because he did not back up his data and has numerous important files on his hard drive. During your investigation, Landon tells you he was watching a movie on his computer the previous night.
What might be the problem with Landon’s computer?
Boot priority is set to the DVD drive.
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.
System is overheating.
When you turn on your computer for the day, you notice lights and fans but no beeps and no video. The Num Lock light does not come on.
What might be the problem with your computer? (Select all that apply.)
1) Motherboard has failed.
2) Video is not working properly.
3) Processor has failed or is not seated properly.
4) Power supply is not working properly.
5) RAM is not working properly.
1) Motherboard has failed.
3) Processor has failed or is not seated properly.
5) RAM is not working properly.
Your customer wants to build a new computer and needs to make sure he orders the correct power supply for his machine.
What should you tell him to check to make sure he orders the correct power supply? (Select all that apply.)
1) Wattage requirements
2) RAM requirements
3) Type of cooling
4) Form factor
5) Number of hard drives
6) Video requirements
1) Wattage requirements
4) Form factor
5) Number of hard drives
6) Video requirements
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?
Instruct the user on how to prevent the problem.
Heather is troubleshooting a computer at her worksite. She has interviewed the computer’s user and is currently trying to reproduce the problem the user described.
Heather is in which step of the troubleshooting process?
Establish a theory of probable cause.
William has been working on a problem with a computer at his company for several hours and still can’t ascertain the problem. The computer will not turn on, and William has tried everything he can think of to fix the computer. He has replaced the power cord, the power supply, and even the power strip the computer is plugged into. William decides that it must be the motherboard and takes the computer to his shop to replace the motherboard on the computer. When he plugs the computer in, it turns on. The problem was not the computer—someone had turned off the switch for the wall outlet that the power strip was plugged into.
Where in the troubleshooting process could William have discovered this problem? (Select all that apply.)
1) Identify the problem.
2) Establish a theory of probable cause.
3) Test the theory to determine cause.
4) Establish a plan of action to resolve the problem and implement the solution.
5) Verify full system functionality.
6) Document findings.
1) Identify the problem.
2) Establish a theory of probable cause.
3) Test the theory to determine cause.
While you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover, you notice a distended capacitor.
What can you do to fix this problem?
Replace the motherboard.
Your computer system loses power while you are working on a project for a very important client. When the computer restarts, you hear continuous beeps coming from your computer, and the monitor is showing no signal.
What do the beeps mean?
POST has failed, and you should research the BIOS beep codes.
James added a new video card and needs to get a power supply that will have enough power to run the new card.
When researching the new power supply, what feature does James need to look for to make sure he has enough power to run his computer with the new video card?
Wattage
Over the past week, every time Larry has started his computer, he has noticed that the time is not correct. Larry didn’t consider this a problem because his computer was working properly. However, now Larry has decided that he should investigate why the time is not accurate.
What can you tell Larry to check to find out why the clock does not keep the right time?
The CMOS battery is bad and needs to be replaced.
The battery indicator light is on, even though your laptop is plugged into an AC adaptor.
To determine why you are not getting power from the AC adapter, which of the following should you check? (Select all that apply.)
1) Whether the battery is connected properly to the laptop.
2) Whether the AC adapter is plugged into a live electrical outlet.
3) Whether the AC adapter is connected properly to the laptop.
4) Whether the DC jack is loose.
2) Whether the AC adapter is plugged into a live electrical outlet.
3) Whether the AC adapter is connected properly to the laptop.
4) Whether the DC jack is loose.
You decide to add three new hard drives to your computer so that you can increase the amount of storage on it. When you install the hard drives, you find enough SATA connections on the motherboard, but it is short one SATA power connector.
What is the easiest way to add a SATA power connector to the system?
Use a Molex to SATA power adapter.
Lin is booting up his computer, and during the boot process, the computer powers down. After several unsuccessful attempts to boot his computer, he decides that he needs to start the troubleshooting process. Lin thinks that the problem could be in the power supply, so he uses a power supply tester. The test shows that the power supply is functioning properly.
What should Lin check next in the troubleshooting process?
RAM
