Transcript Portable computers and devices

Course ILT
Portable computers and devices
Unit objectives
 Identify, install, and troubleshoot
notebook components
 Identify, install, and troubleshoot
handheld computers
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Topic A
 Topic A: Notebook computers
 Topic B: Handheld computers
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Notebook power
 Vary in size and
shape
 30 minutes to 8
hours of power
 Automatically
switches power
 Power cord
recharges the
battery
continued
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Notebook power, continued
Computer plug
Outlet plug
Transformer
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Power indicator lights
 Solid light
 Solid alternate color light
 Blinking light
Notebook processors
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 AMD
– Turion 64 Mobile
– Mobile AMD Athlon 64
– Mobile AMD Sempron
 Intel
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Core Duo
Core Solo
Pentium M
Mobile Intel Pentium 4
Celeron M
 Motorola
– Apple PowerPC G4
continued
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Notebook processors, continued
 Heat dissipation
 Power management
– ACPI
 Suspend
 Hibernate
 Standby
– WiFi
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Notebook memory
 SODIMM
 MicroDIMM
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Notebook hard drive
Notebook keyboard
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Function keys have
special functions accessed
with the Fn key
Numeric keypad
shares the letter keys
Monitors
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 LCD technology uses
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Less power
Less heat
Less space
Less glare
 Three types of LCD technology
– Transmissive
– Reflective
– Transflective
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Native resolutions
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XGA
SXGA
UXGA
WXGA+
WSXGA+
WUXGA
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Notebook pointing devices
Glide surface
Right button
Left button
Communication connections
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 LAN technology
– IEEE 1394
– IEEE 802.11g
– USB
 Wireless protocols
– Wi-Fi (Wireless Fidelity)
– WiMAX
– Bluetooth
 Linking devices
– Infrared
– Radio
– Bluetooth
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Infrared
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Pulses of infrared light
9600 bps to 4 Mbps
10 – 20 feet range
Direct line of sight
Infrared Serial Data Link (ISDL)
– 1.5 Mbps
– 20 feet
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IrDA port
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Radio
 Modulated signals sent over radio
waves
 Not line of sight
 Varying technologies with varying
features
– 802.11g: 54 Mbps
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802.11 wireless router
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Bluetooth
 Short-range radio (10 meters)
 Self-configuring devices
 Cell phones, PDAs, music players,
etc.
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Notebook peripheral ports
Microphone port
Line out
Volume controls
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Activity A-1
Identifying the components and integrated
peripherals in a notebook
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PC Card types
 Type I—3.3 mm thick
 Type II—5 mm thick
 Type III—10.5 mm thick
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Type II PC Card
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PC Card bus types
CardBus
Zoomed Video
eXecute In Place
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Card and Socket Services
 Metaformat/Card Information Structure
 Card Services
 Socket Services
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Mini PCI card
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Activity A-2
Using PC Cards
Port replicators and docking stations
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 Port replicator
– Ports only, no slots, no drives
 Docking station
– Ports
– Slots for desktop cards
– Bays for drives
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Port replicator
Front view
Notebook
connector
Rear view
Peripheral ports
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Activity A-3
Docking and undocking a notebook
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Notebook computer issues
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External peripherals not working
Overheating
Power problems
Added components not recognized
Display
Wireless antenna
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Activity A-4
Troubleshooting notebook problems
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Maintenance
1. Clean the exterior case
2. Clean the touchpad
3. Keep the fan openings and ventilation
holes clear
4. Blow out dust and other materials
from sensitive components
5. Clean the monitor
6. Remove dust, crumbs, and dirt from
between the keyboard keys
7. Clean the CD or DVD-ROM drive
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Operating environment
 50% humidity
 Temperature to keep components cool
 Low dust
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Transporting a notebook
 Specially-designed padded case
 Properly pack to ship
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Activity A-5
Maintaining a notebook
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Topic B
 Topic A: Notebook computers
 Topic B: Handheld computers
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PDA
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Palm Desktop software
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Graffiti alphabet
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Palm Notepad note
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Using the stylus
 Access applications through the touch
screen
 Interact through
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Menus
The handwriting technique
An external or onscreen keyboard
Tapping icons
 Calibrate the screen
 Stylus stored in body of PDA
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Powering the PDA
 Battery powered
 Sometimes rechargeable—use cradle
 Turns off automatically to conserve
power
 Battery indicator on screen
 Also includes a ROM battery
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Activity C-1
Using a PDA
Connecting PDAs and PCs
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 Connection options
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Cradle with USB or serial connection
USB
Infrared
Bluetooth
WiFi
 Synchronizing information
– Palm Desktop
– Windows CE and Pocket PC
 Partnership
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Activity C-2
Connecting a PDA to a PC
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Handheld device problems
 Power issues
 Synchronization issues
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Activity C-4
Troubleshooting handheld computer
problems
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Unit summary
 Identified, installed, and resolved
issues with notebook components
 Identified, installed, and resolved
issues with handheld computers