A+ Guide to Hardware, 4e Chapter 11 Notebooks, Tablet PCs, and PDAs

advertisement

A+ Guide to Hardware, 4e

Chapter 11

Notebooks, Tablet PCs, and PDAs

Objectives

• Learn how to select, support, and add peripheral devices to notebooks

• Learn how to replace and upgrade internal notebook components

• Learn how to troubleshoot notebooks

• Learn about technologies relating to tablet PCs

• Learn about personal digital assistants (PDAs)

A+ Guide to Hardware, 4e 2

Introduction

• Notebook use is growing

– Over half of the PCs purchased today are notebooks

– 30 percent of PCs in use today are notebooks

• Topics to cover

– Supporting and upgrading notebooks

– Troubleshooting notebooks

– Tablet PCs

– Personal digital assistants (PDAs)

A+ Guide to Hardware, 4e 3

Supporting Notebooks

• Notebook (laptop): a portable computer

• Comparing notebooks to full-sized computers

– Same internal technology, but built as a single system

– Notebooks are smaller and portable

– Notebooks use less power

• Topics to cover:

– Selecting and purchasing a notebook

– Special considerations for servicing notebooks

– Caring for notebooks

– Connecting peripheral equipment to notebooks

A+ Guide to Hardware, 4e 4

Tips for Buying a Notebook

• Consider a notebook if portability is important

– Desktops are faster, cheaper, and easier to upgrade

• Do not buy extra features unless they are needed

– Extra features are costly and add to notebook weight

• Purchase an extended warranty

• Select a well regarded brand

• Some guidelines for notebook components:

– Choose an active matrix LCD panel (over dual scan)

– Buy as much memory as you plan to use later

– The best type of battery to buy is a lithium battery

A+ Guide to Hardware, 4e 5

Special Considerations When

Servicing Notebooks

• Warranty concerns

– Be careful not to void the warranty

– Information needed before contacting technical support

• Notebook model and serial number

• Name, phone number, and address of the purchaser

• Service manuals and other sources of information

– Enable you to safely disassemble a notebook

– Where to find the necessary documentation

• Physical manual provided by the manufacturer

• On the Internet; e.g., the manufacturer’s Web site

A+ Guide to Hardware, 4e 6

Figure 11-2 The model and serial number stamped on the bottom of a notebook are used to identify the notebook to service desk personnel

A+ Guide to Hardware, 4e 7

Figure 11-3 A notebook service manual tells you how to use diagnostic tools, troubleshoot a notebook, and replace components

A+ Guide to Hardware, 4e 8

Special Considerations When

Servicing Notebooks (continued)

• Diagnostic tools provided by manufacturers

– Used to pinpoint a problem component

– Sources: setup CD or manufacturer’s Web site

– Example: PC-Doctor

• The OEM operating system build

– Notebooks are sold with the OS preinstalled

– OEM: original equipment manufacturer

– OS build: customized operating system build

– Diagnostic software is customized to the notebook

A+ Guide to Hardware, 4e 9

Special Considerations When

Servicing Notebooks (continued)

• Windows notebook features

– Channel aggregation: allows two modem connections

– Power management features

– Support for PC cards

– Windows 9x/Me Briefcase

– Windows 2000/XP Offline Files and Folders

– Folder redirection under Windows 2000/XP

– Hardware profiles under Windows 2000/XP

• Sources for backup OS: recovery CD or partition

A+ Guide to Hardware, 4e 10

Figure 11-6 This notebook hard drive has a recovery partition that can be used to recover the system

A+ Guide to Hardware, 4e 11

Special Considerations When

Servicing Notebooks (continued)

• Upgrade the operating system only if necessary

• Tips for upgrading a notebook operating system

– Upgrade the OS using an OS build from the OEM

– Ensure that supporting device drivers are included

– Follow OEM’s specific instructions for the installation

• Advice for upgrading with an off-the-shelf of the OS

– Determine if system components are compatible

– Ensure that all device drivers are stored on hard drive

– If recommended, flash the BIOS before the upgrade

A+ Guide to Hardware, 4e 12

Caring for Notebooks

• A few general guidelines:

– Do not touch the LCD panel with sharp objects

– Use battery packs recommended by the OEM

– Keep your notebook at a controlled temperature

– Avoid direct sunlight for an extended period of time

– Do not touch notebook until you are grounded

• A few cleaning tips:

– Clean the LCD panel with a soft dry cloth

– If keys stick, spray under keys with compressed air

– Clean the battery connections with a contact cleaner

A+ Guide to Hardware, 4e 13

Caring for Notebooks (Continued)

• Securing a notebook

– When leaving work, lock notebook in a secure place

– Use a notebook cable lock to secure it to your desk

– Use a theft-prevention plate (with an identifying label)

• Types of passwords

– Supervisor, user (power-on), and hard drive

– Check CMOS setup to see if passwords are supported

• Data backups

– Always back up critical data

– Use an online backup service (good when traveling)

A+ Guide to Hardware, 4e 14

Figure 11-8 Use a cable lock system to secure a notebook computer to a desk to help prevent it from being stolen

A+ Guide to Hardware, 4e 15

Figure 11-9 CMOS setup main menu shows support for four power-on passwords

A+ Guide to Hardware, 4e 16

Caring for Notebooks (Continued)

• Two power sources: AC adapter and DC adapter

• Types of batteries:

– Ni-Cad (nickel-cadmium)

– NiMH (nickel-metal-hydride)

– Lithium Ion

– Direct Methanol Fuel Cell (DMFC): experimental

• A few tips for managing power:

– Check the manual for battery recharging instructions

– Use power-management features of your OS

– Use standby or hibernate mode when notebook is idle

A+ Guide to Hardware, 4e 17

Caring for Notebooks (Continued)

• Power Options Properties dialog box

– Used to modify multiple power management schemes

– Example: cause notebook to hibernate after set time

• The battery meter can be added to the taskbar

• Port replicator: interface to AC outlet and peripherals

• Docking station: port replicator + secondary storage

• Hardware profiles

– Enable you to store various hardware configurations

– Example: set up one profile to use a docking station

A+ Guide to Hardware, 4e 18

Figure 11-13 The Power Options Properties dialog box of Windows

2000/XP allows you to create and manage multiple power schemes

A+ Guide to Hardware, 4e 19

Figure 11-19 Windows XP allows you to set a hardware profile for different hardware configurations

A+ Guide to Hardware, 4e 20

Connecting Peripheral Devices to

Notebooks

• A few ports, switches and slots:

– PC Card/CardBus slot with lock switch and eject button

– ExpressCard slot with slot protective cover

– USB and FireWire ports

– Wireless antenna on/off switch

– Power jack for DC or AC power adapter

• PC Card slots and USB ports are standard equipment

• Examples of PC cards

– Modems, network cards, sound cards, TV tuners

A+ Guide to Hardware, 4e 21

Figure 11-20 Ports on the back of a notebook

A+ Guide to Hardware, 4e 22

Figure 11-22 Many peripheral devices are added to a notebook using a PC Card slot; here, a modem PC Card is inserted in a PC Card slot

A+ Guide to Hardware, 4e 23

Connecting Peripheral Devices to

Notebooks (continued)

• PCMCIA (Personal Computer Memory Card

International Association)

– Develops standards for PC card slots

• PCMCIA standards related to size: Type I to Type III

• PC cards may also provide proprietary ports/adapters

• PC card slot technologies: 16-bit ISA and 32-bit PCI

• Two new PCMCIA standards:

– CardBus: increases bus width to 32 bits

– ExpressCard: matches PCI Express and USB 2.0

A+ Guide to Hardware, 4e 24

Figure 11-27 Dimensions of CardBus and ExpressCard cards

A+ Guide to Hardware, 4e 25

Connecting Peripheral Devices to

Notebooks (continued)

• Socket service: connects or disconnects a PC card

• Card service: provides driver after socket created

• Removing a card from a PC card or ExpressCard slot

– Click the Unplug or Eject Hardware icon in system tray

– Click Stop to open Stop a Hardware device dialog box

– Click OK and the proceed to eject the card

• A few tips for helping a notebook recognize a card

– Make sure the system is on when inserting the card

– Try installing drivers before you insert the card

A+ Guide to Hardware, 4e 26

Figure 11-32 Safely Remove Hardware dialog box

A+ Guide to Hardware, 4e 27

Connecting Peripheral Devices to

Notebooks (continued)

• WiFi review:

– Two connection modes: ad hoc and via access point

– Change wireless settings in Network Connections

– To make a connection, turn on wireless switch

– You can choose from a list of wireless networks

• Bluetooth review:

– Used for short-range wireless; e.g., optical mouse

• Some special considerations for Bluetooth:

– Read documentation for configuration guidelines

– If device does not function, reinstall the device driver

A+ Guide to Hardware, 4e 28

Figure 11-38 Select a wireless network from those in range

A+ Guide to Hardware, 4e 29

Replacing and Upgrading Internal

Parts

• Three common maintenance tasks:

– Upgrading memory

– Exchanging a hard drive

– Replacing a broken component; e.g., the LCD panel

A+ Guide to Hardware, 4e 30

Three Approaches to Dealing with a

Broken Internal Device

• Factors to consider before starting a repair project:

– Whether the warranty covers the problem

– Whether the warranty will be voided by your action

– How much time the repair will take

• Alternatives to fixing (or upgrading) it yourself:

– Return notebook to the OEM or other service center

– Substitute an external component for internal device

• Guidelines to follow if you choose to replace device:

– Obtain instructions for replacing an internal device

– Back up important data and take safety precautions

A+ Guide to Hardware, 4e 31

Upgrading Memory

• General considerations:

– Add memory to improve performance

– Additional memory needed for video-editing software

– Types of video memory: dedicated and shared

• Types of memory modules used in notebooks:

– SO-DIMMs (small outline DIMMs)

– SO-RIMMs (small outline RIMMs)

– Credit card memory

– Proprietary memory modules

– MicroDIMMs

A+ Guide to Hardware, 4e 32

Figure 11-41 Older notebooks used credit card memory and proprietary memory modules, both larger than the current SO-DIMM modules

A+ Guide to Hardware, 4e 33

Upgrading Memory (continued)

• Preparing for the upgrade

– Make sure you are not voiding your warranty

– Search for best buy on a suitable and authorized part

• Upgrade process is similar to that for desktops

• General instructions for accessing memory:

– Turn the notebook upside down

– Remove the screws and the panel cover

– Locate the memory modules in expansion slots

• Advice: check user guide for specific instructions

A+ Guide to Hardware, 4e 34

Figure 11-43 To access memory modules, remove a panel cover on the bottom of the notebook

A+ Guide to Hardware, 4e 35

Replacing a Hard Drive

• General guidelines

– Check with OEM for drive sizes and connector types

– Be aware or voiding manufacturer’s warranty

– A notebook drive is 2.5 inches wide

• Other issues:

– If old drive crashed, obtain recovery and driver CDs

– When moving data, you may need USB-IDE converter

• General instructions for replacing the hard drive

– Open the case, pull old drive out of bay, and replace

– Boot the system from a recovery CD (if drive is new)

A+ Guide to Hardware, 4e 36

Figure 11-49 First remove the floppy drive to reveal the hard drive cavity

A+ Guide to Hardware, 4e 37

Replacing the LCD Panel

• Diagnosing a problem when panel is dim or black:

– Connect an external monitor to the video port

– If external monitor works, LCD panel is likely broken

• Causes of a malfunctioning LCD panel

– Video inverter card is not working (relatively minor)

– Faulty LCD panel assembly (major)

• A few tips for successful a disassembly

– Take safety precautions

– Assemble the appropriate set of tools

– Keep parts and screws organized

A+ Guide to Hardware, 4e 38

Figure 11-52 Tools for disassembling a notebook computer

A+ Guide to Hardware, 4e 39

Figure 11-54 Using a notepad can help you organize screws so you know which screw goes where when reassembling

A+ Guide to Hardware, 4e 40

Replacing the LCD Panel (continued)

• How to replace an LCD panel assembly

– Remove the battery pack

– Remove the keyboard (if necessary)

– Remove screws in the back of the notebook

– Remove the hinge covers

– Lift the cover off the notebook case

– Carefully disconnect wires or cables

– Remove screws holding the top cover and LCD panel

– Carefully remove the cable system

A+ Guide to Hardware, 4e 41

Figure 11-59 Remove the top LCD cover by first removing hinge screws and disconnecting the hinges; then lift off the cover

A+ Guide to Hardware, 4e 42

Replacing a Mini PCI Card

• Mini PCI specifications

– Define the form factor for notebook expansion cards

– Three types: Type I, II, and III (differ by connectors)

• Steps for removing a Mini PCI wireless network card

– Remove the hinged cover and the keyboard

– Disconnect the cable to the wireless antenna

– Pull outward on the securing tabs

– After the card pops, lift it out of the cavity

• Replacing the Mini PCI wireless network card

– Insert card, reconnect antenna, add keyboard and cover

A+ Guide to Hardware, 4e 43

Figure 11-62 Remove a Mini PCI card

A+ Guide to Hardware, 4e 44

Other Field Replaceable Units

• A number of field replaceable units (FRUs)

– The motherboard and CPU

– The keyboard

– The PC Card socket assembly

– The optical drive (CD or DVD drive)

– The floppy drive

– A sound card

– A pointing device

– AC adapter, the battery pack and the DC controller

• OEM must approve or make replacement parts

A+ Guide to Hardware, 4e 45

Troubleshooting Notebooks

• Software and hardware problems are covered

• Actions that apply to all computer troubleshooting

– Interview the user

– Back up any important data

– Document each step

A+ Guide to Hardware, 4e 46

Problems with the Power System

• A few troubleshooting guidelines

– Check the power light (power may be off)

– Connect the AC adapter (battery might have run down)

– Check the connections at the adapter unit

– Try a new AC adapter

– Eliminate power strips

– Try unplugging all unnecessary devices

– Try reseating memory modules, which may be loose

– Replace CMOS RAM battery (if CMOS setup corrupted)

A+ Guide to Hardware, 4e 47

Problems with Video

• Causes:

– Display settings

– The power system

– A faulty LCD panel or inverter board

• Table 11-4 shows troubleshooting tips

• Advice for replacing the LCD panel or inverter board

– Purchase the same LCD assembly originally installed

A+ Guide to Hardware, 4e 48

Table 11-4 Problems with video and what to do about them

A+ Guide to Hardware, 4e 49

Table 11-4 Problems with video and what to do about them (continued)

A+ Guide to Hardware, 4e 50

A Notebook Gets Wet

• Steps to take when a notebook gets wet:

– Turn off the electricity at the circuit breaker

– Turn off the computer and disconnect the AC adapter

– Turn off any attached devices

– Ground yourself by touching a metal unpainted part

– Remove any PC Cards or removable drives

– Remove the battery pack, memory, and hard drive

– Open the notebook and elevate it on two books

– Allow notebook to dry for 24 hours

A+ Guide to Hardware, 4e 51

The Notebook is Dropped

• Save your work, close all files, shutdown computer

• Disconnect the AC adapter

• Turn off and disconnect any external devices

• Reinstall power adapters and turn on the notebook

• Troubleshooting the system (if it is not working)

A+ Guide to Hardware, 4e 52

Protecting and Retrieving Data

• Obtain a notebook IDE adapter kit

• Remove the notebook hard drive from the notebook

• Connect the IDE adapter to the drive

• Copy the data onto a hard drive in the desktop system

• Reinstall the hard drive in the notebook

A+ Guide to Hardware, 4e 53

Figure 11-67 Use an IDE adapter kit to install a notebook hard drive into a desktop system

A+ Guide to Hardware, 4e 54

More Errors and What to do About

Them

• Other sources for notebook troubleshooting tips:

– Table 11-5

– Troubleshooting tips for desktop computers

– Web site of the notebook manufacturer

– The notebook service manual

– Other Internet sites (using general search)

A+ Guide to Hardware, 4e 55

Table 11-5 Error messages and what to do about them

A+ Guide to Hardware, 4e 56

Table 11-5 Error messages and what to do about them (continued)

A+ Guide to Hardware, 4e 57

Online Resources for Troubleshooting

Notebooks

• Tips for desktops apply to troubleshooting notebooks

• Be especially conscious of warranty issues

– Know what you can do within the warranty guidelines

• Notebook documentation is comprehensive

• OEM provides extra support for the system

• Drivers are obtained from setup CD or OEM Web site

A+ Guide to Hardware, 4e 58

Surveying Tablet PCs

• Tablet PC: small notebook with special features

• Forms of tablet PC

– A convertible tablet PC

– A slate model tablet PC

– A tablet PC with a docking station

• Some features:

– Onscreen writing ability for notes and drawings

– Voice- and handwriting-recognition software

– Built-in support for wireless, wired, dial-up networking

– Windows XP Tablet PC Edition operating system

A+ Guide to Hardware, 4e 59

Surveying PDAs

• PDAs (personal digital assistants)

– Sometimes called personal PCs or handheld PCs

– Used for smaller tasks, such as scheduling

– Examples: Palm Pilot, Pocket PC, or BlackBerry

• PDAs connect to desktop using Bluetooth or USB

• A few features: GPS receiver, fold-out keyboard

• A few questions to ask before purchase?

– How easy is the PDA to use?

– What operating system does the PDA use?

– What is the price of the PDA?

A+ Guide to Hardware, 4e 60

Figure 11-71 Garmin iQue M5 Color Pocket PC PDA and GPS

A+ Guide to Hardware, 4e 61

Battery Life on a PDA

• Battery life on a PDA varies by model

• Some PDAs use rechargeable batteries

• Data is lost if battery completely discharges

• Good habit: set PDA in its cradle when not in use

A+ Guide to Hardware, 4e 62

Applications on a PDA

• Some tasks performed:

– Store addresses and phone numbers

– Manage a calendar

– Run word-processing software

– Send and receive e-mail

– Access Web sites

– Provide telecommunication

• Applications may be preinstalled or downloaded

• Web content read by PDA is limited

A+ Guide to Hardware, 4e 63

Connecting a PDA to a PC

• Use cradle with cable or Bluetooth wireless

• Synchronization: process by which PDA and PC talk

• Setting up communication:

– Install synchronization software

– Connect the PDA

– PDA and PC will immediately synchronize

• A few troubleshooting tips:

– Ensure USB or serial cable is plugged in at both ends

– Ensure USB or serial port is enabled in CMOS setup

– Uninstall and reinstall the PDA software on the PC

A+ Guide to Hardware, 4e 64

PDA Manufacturers and Operating

Systems

• List of operating systems used on PDAs:

– Windows Mobile

– BlackBerry

– Palm OS

– Symbian OS

• Some manufacturers:

– Casio

– Compaq

– Hewlett-Packard

– Palm (was PalmOne)

A+ Guide to Hardware, 4e 65

Summary

• Notebook (laptop): portable computer

• OS build: notebook OS customized by the OEM

• Power Options Properties: used to configure AC and

DC power management schemes

• PCMCIA: develops standards for PC card, CardBus, and ExpressCard slots

• Wireless notebooks can connect in an ad hoc mode or via an access point

A+ Guide to Hardware, 4e 66

Summary (continued)

• Notebook memory modules: SO-DIMMs, SO-RIMMs credit card memory, and proprietary memory modules

• Mini PCI specifications: define form factor for notebook expansion cards

• Troubleshooting notebooks is like troubleshooting desktops

• Tablet PC: small notebook with special user interface

• PDAs (personal digital assistants): miniature computer used for simple tasks, such as scheduling

A+ Guide to Hardware, 4e 67

Download