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A+ GUIDE TO HARDWARE PDF

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A+ Guide To Hardware Pdf

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This step-by-step, highly visual text provides a comprehensive introduction to managing and maintaining computer hardware and software. A+ Guide to Hardware: Managing, Maintaining, and. Troubleshooting, 5e. Chapter 2. Form Factors, Power Supplies, and. Working Inside a Computer. "Free ebooks" A+ Guide to IT Technical Support (Hardware and Here I will share many books pdf for you. explore the blog for find your.

In really complex systems, taking a picture of the internal parts prior to working inside a case can be helpful in troubleshooting connections later. Smartphone cameras allow for a bit more maneuverability inside of a computer case for this purpose.

Step 3: Remove Expansion Cards 1. Discuss techniques for keeping track of cable connections and placement of parts within a computer case, such as using diagrams. Cover steps required to remove expansion cards from a computer, such as removing screws that hold the card in place. Step 4: Remove the Motherboard, Power Supply, and Drives 1.

List the steps required to remove a hard drive from a case, mainly the removal of power cables and data cables. Detail how to remove a motherboard from a case, and note what cables must be removed, such as the front panel connectors.

Explain the role of spacers or standoffs in keeping the motherboard from contacting the metal case and shorting circuits. Show how to remove the power supply from a case, noting where screws that hold the power supply in place are typically located. Demonstrate how to remove drives from the case, and show the removal of screws that keep drives in place.

Steps to put a Computer Back Together 1. Explain the optimal order in which components should be installed into the case, starting with power supply, drives, motherboard, and cards. Note that this order may differ depending on the case involved. Show how a motherboard should line up with the IO shield on the back of the case. Discuss what power cables should be connected to the motherboard. Students should be aware that a system will always need the main P1 power connector and most likely will need the 4-pin auxiliary connector for the processor.

Elaborate on what additional power requirements a motherboard might have, such as on-board 6-pin or 8-pin PCIe power connectors, or Molex and SATA power connectors. The front panel connectors and their respective contact points on the motherboard can usually be identified by markings around the pins on the motherboard. List some of the common connectors: Power SW b.

Power LEDe. Reset SW 6. Motherboard documentation should be discussed as a way of identifying pins and ports on the motherboard. Explain how to connect ports that exist on the front of the PC such as USB or sound to the motherboard.

Discuss the installation of a video card or other expansion cards, and demonstrate how to ensure that a card is seated correctly. List other devices that need to be connected to a computer, such as the monitor, keyboard, and mouse. Show where these devices plug in. Cover some additional troubleshooting steps to take in the event the computer does not power on or work properly. Quick Quiz 1 1. When working with a computer that is operational and still in use, what is the first step that should be taken before working inside the computer?

Press and hold down the power button for a moment B. Back up important data C. Power down the system and unplug it D.

Touch something metal to discharge ESD Answer: True or False: An anti-static wrist strap can be clipped to the metal portion of a computer case to discharge static. True 3. Which of the following is used to keep the motherboard from contacting the case, preventing a short? Standoffs B. Retention screws D. Case screws Answer: Some motherboards require an extra power connector for PCIe devices. How many pins is this connector? Which of the following is not a typical header for the front panel connectors?

Power SW B. Power LEDC. Reset SW D. Power SWAnswer: Special Consideration when Supporting Laptops 1. Explain the differences between a laptop a desktop. Note what kind of features one might have over the other, and what hardware is typically included.

Discuss the costs of repair for laptops to desktop PCs, and note that components such as memory and processors are smaller and differ from their desktop counterparts.

Warranty Concerns 1. Discuss what options for extended warranties on laptops typically exist, and give information on how to determine if equipment is currently under a warranty. List some support websites for various hardware manufacturers. Students should be shown how to access warranty information via some of these websites.

Use Table in your discussion. Service Manuals and other Sources of Information 1. Elaborate on how to use service manuals to aid in disassembly and repair of a laptop, and discuss ways of obtaining service manuals. Explain that some laptops may have additional information in the form of videos or user manuals that may aid in disassembly.

Diagnostic Tools Provided by Manufacturers 1. Provide information on what tools might be provided by the manufacturer for troubleshooting an issue or replaced part, such as PC-Doctor. How to Work Inside a Laptop Computer 1. List some common tools necessary for disassembly of a laptop computer, such as screwdrivers and torx screwdrivers.

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Review steps to take to discharge static electricity prior to working on the internal components of a laptop. Discuss methods of documenting the areas at which screws are removed or components are unattached from the system, either by note pad or digital camera.

Emphasize that the service manual is the best piece of documentation to have for a laptop, and will show where various screws are installed.

Note that any applied warranties to laptop equipment could be voided if opened. Remind students not to use force when working with laptop components.

[PDF] Lab Manual for Andrews A+ Guide to Hardware: Managing, Maintaining and Troubleshooting, 4th

Point out that some laptops use ZIF connectors. Demonstrate how to disconnect a cable from a ZIF connector or use Figure in your discussion. Disassemble the laptop by removing each FRU in the order gen by the service manual for the laptop. Stress the importance of following the steps to remove each component in the right order.

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Discuss the general tips students should follow when reassembling a laptop: Teaching Tip. Many popular laptops will have disassembly videos on YouTube. What can be used to provide detailed instructions for performing work internally on a specific model of laptop computer? Because they are smaller and easier to produce, laptop replacement parts cost less than replacement parts for desktop computers. False 2. Opening the case of a laptop under warranty most likely will void the warranty.

What type of connector requires very little force for insertion?

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FRU B. ZIF C. PCI D. IDE Answer: Because laptop components are installed in unique ways and opening the case for each laptop model is done differently, servicing laptops can be very complicated and time consuming.

Class Discussion Topics 1. Do students have previous experience with PC Repair and Maintenance? If so, ask them to briefly discuss their experiences. Some may note that specific manufacturers of laptops are not as reliable as others.

Additional Projects 1. Have students review the specifications for their motherboard and determine the maximum amount of RAM that can be installed on the motherboard. Have them list the types and sizes of RAM modules that can be installed. Have them research disk drives to determine the maximum amount of storage they can install on the system. Additional Resources 1. How to Disassemble a Computer: Laptop Disassembly Tips: Blog containing links to a number of service manuals for different laptops: Laptop Maintenance and Assembly http: Key Terms For explanations of key terms, see the Glossary for this text.

Download at: See More. The battery pack Thinking Critically 1. Lab 2. What should you do to help you remember which components connect to which cables? Take notes, make a sketch, take a photo, attach labels, and so forth.

What marking on a ribbon cable identifies pin 1? A colored stripe on one side of the cable identifies pin 1. Follow the directions to download the current version of CPU-Z version 1. Unzip the file and launch CPU-Z. At this time, you are only concerned with the CPU and Cache tabs. Using the data gathered by CPU-Z, record some of the pertinent information below.

In some cases, the information may actually be erroneous. Save the utility for use in future lab exercises. Lab Analysis Test 1. Joanna called you to say that ever since you installed her new CPU, the PC gives intermittent problems when it runs. Sometimes it just quits and freezes up. What could possibly be wrong?

How would the industry display this system clock speed? Andy has upgraded the memory on his computer twice. The first time he added megabytes MB to bring it to a total of MB. He then replaced both sticks with two MB sticks for a total of 1 gigabyte GB. What recommendations would you have for Andy?

Key Terms Quiz Use the following vocabulary terms to complete the following sentences. Not all of the terms will be used. You have already explored the various methods to determine the amount of RAM installed in the computer, the total amount that the motherboard can support, and what type of RAM is needed.

The following labs are designed to give you practice working with RAM by using visual recognition of the different types and packages, and by walking you through the steps of installing RAM. You will once again practice using the disassembled, non-production system.

This time, you will be removing and installing RAM sticks. Lab Exercise 3. The following steps describe the removal and installation procedures for DIMMs. Shut down and unplug your PC, and place it on your anti-static mat. Strap on your anti-static bracelet and ground yourself. You may either install the RAM in the sockets on the motherboard, with the motherboard on the anti-static mat, or reinstall the motherboard into the case first. The following removal steps are listed for reference, especially if you have access to additional computers for exploration.

Step 2 Press outward on the clips to disengage them from the retention slots on the sides of the RAM sticks see Figure Step 3 Press down on the clips firmly and evenly.

Are the contacts free of dirt and corrosion? Be very careful not to touch any of the circuitry with metal tools! Step 2 Slide the RAM stick into the socket at a degree angle until it seats firmly.

Step 3 Pivot the RAM upright until it snaps into place, making sure that both retention clips are secured. Step 2 Press the RAM stick firmly and evenly straight down into the socket until the retention clips engage the retention notches on the ends of the RAM stick. Step 3 Snap the retention clips firmly into place. Step 4 Repeat these steps to install other RAM modules as appropriate.Power LEDe. Which manufacturers would you choose and why?

Press and hold down the power button for a moment B. Discuss techniques for keeping track of cable connections and placement of parts within a computer case, such as using diagrams. How to Disassemble a Computer: Two possible answers include: Possible tools include: How can you tell?

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