CompTIA A+ Module 4: Power Supplies & Cooling
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Questions and Answers

What is the purpose of Rule 8: Divide and Conquer in testing your theories?

  • To make a list of potential problems
  • To rely solely on data analysis
  • To assume the worst-case scenario
  • To isolate the problem to a small part of the whole system (correct)

    • According to Rule 10, it is necessary to assume the worst in data recovery situations.

    False

    What action does Rule 11 recommend when you encounter persistent issues?

    Reboot and start over

    In testing your theory, you should _____ things down to aid in problem-solving.

    <p>write</p> Signup and view all the answers

    Match the rules with their corresponding actions:

    <p>Rule 8 = Isolate the problem to a small part Rule 9 = Draw diagrams and make lists Rule 10 = Consider data may still be recoverable Rule 11 = Reboot and start over</p> Signup and view all the answers

    What is the first step in troubleshooting a computer problem?

    <p>Interview the user and back up data</p> Signup and view all the answers

    A good troubleshooting strategy includes fixing the issue before verifying that it is resolved.

    <p>False</p> Signup and view all the answers

    What should be documented during the troubleshooting process?

    <p>Activities, outcomes, and what was learned</p> Signup and view all the answers

    After determining the source of the problem, one should plan and ______ it.

    <p>fix</p> Signup and view all the answers

    Match the following troubleshooting resources with their descriptions:

    <p>The web = Online search for solutions User manuals = Documentation provided by manufacturers Technical support = Assistance from experts via chat or email Diagnostic software = Tools provided by manufacturers to analyze issues</p> Signup and view all the answers

    Which step follows after testing your theory?

    <p>Plan the fix</p> Signup and view all the answers

    Preventive measures are taken only after a problem occurs.

    <p>False</p> Signup and view all the answers

    How many troubleshooting rules are mentioned in the section?

    <p>13</p> Signup and view all the answers

    Which of the following devices is NOT typically used to cool a computer system?

    <p>Solid-state drives</p> Signup and view all the answers

    Keeping the computer case open is a long-term solution to overheating.

    <p>False</p> Signup and view all the answers

    What general rule involves cleaning the components inside the computer?

    <p>Use a can of compressed air to blow clean the inside of the case.</p> Signup and view all the answers

    The proper function of a power supply is essential for meeting the __________ needs of a system.

    <p>power</p> Signup and view all the answers

    Match the cooling device with its function:

    <p>CPU fan = Circulates air around the CPU Heat sink = Dissipates heat from components Liquid cooling system = Uses liquid to transfer heat away Case fan = Maintains airflow within the computer case</p> Signup and view all the answers

    Which method is recommended to reduce the risk of overheating in a computer?

    <p>Move the computer to a cooler area</p> Signup and view all the answers

    Troubleshooting hardware problems during boot should be approached in an organized manner.

    <p>True</p> Signup and view all the answers

    What is one of the key components to troubleshoot when diagnosing electrical system problems?

    <p>Power supply</p> Signup and view all the answers

    What does one long beep and two short beeps indicate in an Award BIOS?

    <p>Video problem, no video card, bad video memory</p> Signup and view all the answers

    Continuous high and low beeps indicate a CPU problem.

    <p>True</p> Signup and view all the answers

    What should you use as the first approach when solving a computer problem?

    <p>Least invasive solution</p> Signup and view all the answers

    A single long beep followed by one short beep indicates a __________ problem in Intel BIOS.

    <p>Motherboard</p> Signup and view all the answers

    Match each beep pattern to its meaning:

    <p>1 short beep = Passed all POST tests Continuous 3 short beeps and a pause = Memory error 3 long beeps = Keyboard controller problem 8 beeps followed by a system shutdown = System has overheated</p> Signup and view all the answers

    Which rule emphasizes finding out what works and what does not before attempting a fix?

    <p>Rule 13</p> Signup and view all the answers

    Which of the following symptoms may indicate a failing motherboard, processor, or RAM? (Select all that apply)

    <p>The system powers down during the boot process</p> Signup and view all the answers

    Running antivirus software is a step to troubleshoot potential hardware problems.

    <p>False</p> Signup and view all the answers

    Using the least invasive solution first is not a recommended practice.

    <p>False</p> Signup and view all the answers

    What does the pattern of continuous short beeps typically indicate?

    <p>Memory error</p> Signup and view all the answers

    What tool can be used to test if a memory module is failing?

    <p>Memory Diagnostic Tool</p> Signup and view all the answers

    Checking the _____ setup may ensure proper settings for troubleshooting.

    <p>BIOS/UEFI</p> Signup and view all the answers

    Match the troubleshooting step with its purpose:

    <p>Google error message = Find information about the error Run antivirus = Check for malware or virus infections Check Event Viewer = Look for logs of hardware/application problems Check Device Manager = Identify potential hardware issues</p> Signup and view all the answers

    Which action should be taken if problems began after a new install?

    <p>Uninstall the device or application</p> Signup and view all the answers

    Disabling quick booting features in BIOS/UEFI can help identify potential errors during boot.

    <p>True</p> Signup and view all the answers

    What should be updated to potentially resolve hardware issues?

    <p>Drivers of motherboard components</p> Signup and view all the answers

    Which of the following methods can help prevent overheating in a computer?

    <p>Leave a few inches of space around the case</p> Signup and view all the answers

    Overclocking the processor can contribute to overheating.

    <p>True</p> Signup and view all the answers

    What should you do if the thermal compound has hardened?

    <p>Replace the thermal compound</p> Signup and view all the answers

    To ensure good airflow, it is important to keep vents and fans __________.

    <p>arranged properly</p> Signup and view all the answers

    Match the following components with their recommended actions to prevent overheating:

    <p>Processor = Verify the cooler is connected properly Case = Leave space on both sides and top Thermal Compound = Replace if hardened BIOS = Check for overclocking settings</p> Signup and view all the answers

    Which action is NOT recommended for preventing overheating?

    <p>Have multiple peripherals without spacing in between</p> Signup and view all the answers

    It is advisable to leave an empty slot between each installed card in a computer case.

    <p>True</p> Signup and view all the answers

    What is the purpose of checking the UEFI/BIOS setup regarding processor settings?

    <p>To see if the processor is being overclocked</p> Signup and view all the answers

    Study Notes

    CompTIA A+ Module 4: Power Supplies and Troubleshooting Computer Problems

    • Module 4 covers power supplies and troubleshooting computer problems.
    • The module objectives include describing cooling methods and devices, selecting a power supply, demonstrating troubleshooting techniques, and troubleshooting problems with components like the electrical system, motherboard, processor, and RAM.
    • Methods and devices for keeping a computer system cool include CPU and case fans, coolers, heat sinks, and liquid cooling systems.
    • Cooling methods generally include keeping the case closed, using compressed air for cleaning, and maintaining a cool, clean area.
    • Processor coolers, fans, and heat sinks. Good coolers maintain a temperature of 90-110 degrees F (32-43 degrees C). These typically have a fan and heat sink to conduct heat away from the CPU.
    • Cooler types include aluminum, copper, and combinations. Copper is more expensive but better at conducting heat.
    • Cooler power cords connect to a 4-pin header on the motherboard. A three-hole connector usually will work in a 4-pin header, ignoring the last pin. If the cord has three pins, the fan operates at a consistent speed.
    • Thermal compounds (pastes) fill gaps between processor and cooling device.
    • Thermal pads are thicker alternatives to compounds. They have a higher heat transfer capacity but don't completely fill every gap. Avoid combining thermal compounds and thermal pads simultaneously.
    • Troubleshooting resources include the web, manufacturer diagnostic software, and user manuals. Technical associates in the organization can also assist.
    • Methods for troubleshooting problems in the electrical system include checking connections, power cord plugs, outlet controller switches, checking loose cables or a blown circuit breaker, and checking for burnt parts with visible odors.
    • Problems that come and go are intermittent and include computer stops/hangs without reason, memory errors during boot, possible corrupted data due to intermittent errors, keyboard stoppages, possible motherboard failure, overheating issues with fans or power supplies and temperatures, and possible power supply problems. Consider the power supply as failing if there is an error in the data when devices operate concurrently.
    • Troubleshooting the motherboard, processor, and RAM often involves checking system components, looking at error messages, running antivirus software, checking for issues using device manager, looking at event viewer logs, checking for Windows updates and patches, troubleshooting any Windows errors, and potentially replacing or upgrading components.
    • Diagnosing problems with the motherboard, processor, and RAM may involve checking the correct configuration of BIOS/UEFI settings, running diagnostic software specific to the motherboard manufacturer, and evaluating whether or not the processor is compatible with the motherboard.
    • Troubleshooting the motherboard and power supply frequently involves checking the electrical system and power connections, examining BIOS and UEFI settings, and identifying if there are any hardware or application issues.

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    Related Documents

    Chapter 4 Supporting Computer Power Supply PDF

    Description

    Explore the essentials of power supplies and troubleshoot common computer problems in this CompTIA A+ Module. Learn about various cooling methods and devices, along with troubleshooting techniques for components such as the motherboard, processor, and RAM. This quiz will enhance your understanding of maintaining optimal computer performance.

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