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Chapter 6: Fundamental Laptops and Portable Devices 25Figure 6-18Critical Battery Alarm ActionsWorksheet 6.4.1: Match ACPI StandardsMatch the ACPI standard to the correct characteristic. Refer to the worksheet in ITEssentials: PC Hardware and Software Labs and Study Guide, Third Edition (ISBN 1-58713-198-6). You can perform this worksheet now or wait until the end of the chapter.Describe the Safe Installation and Removal of LaptopComponentsThere are a number of components on a laptop that might need to be replaced. Rememberalways to make sure that you have the correct replacement component and tools as recommendedby the manufacturer. Some components are hot-swappable, which means that youcan remove and replace them while the computer is on. Some components that you mightneed to replace include the following:■■■■■BatteryOptical driveHard driveMemoryPC cards
26 IT Essentials: PC Harware and Software Companion GuideCautionEach laptop manufacturer uses unique hardware installation and removal procedures. Check the laptopmanual for specific installation information, and follow safety installation and electrostatic discharge(ESD) precautions.Always disconnect power and remove the battery before installing or removing laptop componentsthat are not hot-swappable. On some laptops, the PC Card, optical drive, and USB devices are hotswappable. However, the internal hard drive, RAM, and battery are not hot swappable.To replace the battery, follow these steps:How ToStep 1.Step 2.Step 3.Step 4.Move the battery lock to the unlocked position.Hold the release lever in the unlock position and remove the battery.Insert the replacement battery into the battery bay.Make sure that both battery levers are locked.To replace the optical drive, follow these steps:How ToStep 1.Step 2.Step 3.Step 4.Step 5.Press the button to open the drive and remove any media in the drive. Close thetray.Slide the latch to release the lever that secures the drive.Pull on the lever to expose the drive. Remove the drive.Insert the replacement drive securely.Push the lever inward.To replace the hard drive, follow these steps:How ToStep 1.Step 2.Step 3.Step 4.Step 5.Step 6.On the bottom of the laptop, remove the screw that holds the hard drive in place.Slide the assembly outward and remove it.Remove the hard drive face plate from the hard drive.Attach the hard drive face plate to the replacement hard drive.Slide the hard drive into the hard drive bay.On the bottom of the laptop, install the screw that holds the hard drive in place.Follow these steps to remove the existing expansion memory, also called Small OutlineDual In-line Memory Module (SODIMM), if there are no available slots for the newSODIMM:How ToStep 1.Step 2.Step 3.Remove the screw to expose the SODIMM.Press outward on the clips that hold the sides of the SODIMM.Lift to loosen the SODIMM from the slot and remove the SODIMM.
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iiiTrademark AcknowledgmentsAll ter
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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 13Advanced Laptops and Port
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CHAPTER 15Advanced NetworksObjectiv
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GlossaryThis glossary defines many
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ase station 3AppleTalk A protocol s
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CMOS battery 5bus topology A networ
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desktop computer 7crosstalk Interfe
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