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Chapter 3: Computer Assembly Step by Step 3Figure 3-1Power SupplyVirtual Desktop Activity: Power SupplyComplete the power supply layer in the Virtual Desktop. Refer to the Virtual Desktop softwareon the CD that comes with this book.Lab 3.2.0: Install the Power SupplyIn this lab you install the power supply in the computer. Refer to the lab in IT Essentials:PC Hardware and Software Labs and Study Guide, Third Edition. You may perform this labnow or wait until the end of the chapter.Attach the Components to the Motherboardand Install the MotherboardThis section details the steps to install components on the motherboard and then install themotherboard into the computer case.After completing this section, you will meet these objectives:■■■Install a CPU and a heat sink/fan assembly.Install the RAM.Install the motherboard.Install a CPU and a Heat Sink/Fan AssemblyThe central processing unit (CPU) and the heat sink/fan assembly may be installed on themotherboard before the motherboard is placed in the computer case.
4 IT Essentials: PC Hardware and Software Companion GuideFigure 3-2 shows a close-up view of the CPU and the motherboard. The CPU and motherboardare sensitive to electrostatic discharge. When handling a CPU and motherboard, makesure that you place them on a grounded antistatic mat. You should wear an antistatic wriststrap while working with these components.Figure 3-2CPU and MotherboardCautionWhen handling a CPU, do not touch the CPU contacts at any time.The CPU is secured to the socket on the motherboard with a locking assembly. CPU socketstoday are zero insertion force (ZIF) sockets. You should be familiar with the lockingassembly before attempting to install a CPU into the socket on the motherboard.Thermal compound helps keep the CPU cool. Figure 3-3 shows thermal compound beingapplied to the CPU.When you are installing a used CPU, clean the CPU and the base of the heat sink with isopropylalcohol. Doing this removes all traces of old thermal compound. The surfaces arenow ready for a new layer of thermal compound. Follow all manufacturer recommendationsabout applying the thermal compound.
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vAbout the Technical ReviewersDavid
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ixIdentify the Names, Purposes, and
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CHAPTER 1Introduction to the Person
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CHAPTER 7Fundamental Printers and S
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CHAPTER 13Advanced Laptops and Port
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GlossaryThis glossary defines many
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ase station 3AppleTalk A protocol s
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desktop computer 7crosstalk Interfe
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dynamic routing 9Domain Name System
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floppy data cable 11FFast Ethernet
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Regedit 23Printer Control Language
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