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© 2008 Cisco
Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 1 Chapter 2.2: Laptops IT Essentials 5.0
2.
Presentation_ID 2© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptops Notebooks and laptops are types of portable computers. The most significant feature of a laptop is its compact size. The design of the laptop places the keyboard, screen, and internal components into a small, portable case. Laptops can be used to take notes in school, present information in a business meeting, or access the Internet in a coffee shop.
3.
Presentation_ID 3© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components of a laptop Common laptop features: •Integrated display screen in lid •Integrated keyboard •AC power source or rechargeable battery •Hot-swappable drives and peripherals •PC Card or ExpressCard slots •Status indicators, ports, slots, connectors, bays, jacks, vents, and a keyhole are on the exterior of the laptop
4.
Presentation_ID 4© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop Top view of virtual laptop Bluetooth status LED Battery status LED Standby LED
5.
Presentation_ID 5© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop (Continued) Rear view of virtual laptop AC power connector Parallel port Battery bay
6.
Presentation_ID 6© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop (Continued) Left side view of virtual laptop Security keyhole USB port S-video port Headphone jack Microphone jack PC card slot Ventilation grill RJ-11 modem Ethernet port Network LEDs
7.
Presentation_ID 7© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop (Continued) Front view of virtual laptop Infrared port Speakers Latch Ventilation grill
8.
Presentation_ID 8© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop (Continued) Right side view of virtual laptop Optical drive Optical drive indicator VGA port Drive bay indicator
9.
Presentation_ID 9© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the outside of a laptop (Continued) Underside view of virtual laptop Hard drive access panel Battery latches Docking connector RAM access panel
10.
Presentation_ID 10© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the inside of a laptop Open view of laptop Keyboard Volume controls Power button Touchpad Pointer controller Fingerprint reader
11.
Presentation_ID 11© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on the inside of a laptop (Continued) LEDs inside laptop Wireless Bluetooth Caps lock Num lock Hard drive Battery Power on Standby
12.
Presentation_ID 12© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Compare Desktop and Laptop Motherboards
13.
Presentation_ID 13© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Components - Laptop CPU Laptop processors are designed to use less power and create less heat than desktop processors. As a result, laptop processors do not require cooling devices that are as large as those found in desktops. Laptop processors also use CPU throttling to modify the clock speed as needed to reduce power consumption and heat. These specially-designed processors allow a laptop to operate longer when using a battery.
14.
Presentation_ID 14© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Components (Continued) Monitor, Fn key, and Function keys F1 through F12 A laptop monitor is a built-in LCD. A desktop monitor can be added to a laptop. The Fn key is used to activate a second function on a dual-purpose key. • The feature that is accessed by pressing the Fn key in combination with another key is printed on the key in a smaller font or different color. The purpose of the Function keys F1-to-F12 depends on the operating system and the application running.
15.
Presentation_ID 15© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Components (Continued) Port Replicator - may contain a SCSI port, a networking port, PS/2 ports, USB ports, and a game port. • Docking Station - has the same ports as a port replicator, but adds the ability to connect to PCI cards, additional hard drives, optical drives, and floppy drives. •A laptop connected to a docking station has the same functionalities as a desktop computer.
16.
Presentation_ID 16© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on a docking station Top view of docking station Docking connector Power button Eject button
17.
Presentation_ID 17© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on a docking station (Continued) Rear view of docking station Exhaust vent AC power connector PC card slot Ethernet port RJ-11 port Serial port VGA port Parallel port DVI port External-diskette-drive connector Headphone connector Line In connector USB port Keyboard port Mouse port
18.
Presentation_ID 18© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Components on a docking station (Continued) Right side view of docking station Key lock
19.
Presentation_ID 19© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Display Types Laptop monitors are built-in displays. There are four types of laptop displays: LCD - Liquid Crystal Display LED – Light Emitting Diode - uses less power and has a longer lifespan than LCD monitors OLED - Organic LED Plasma – rarely used in laptops due to high power consumption
20.
Presentation_ID 20© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Backlights, Inverters and Wi-Fi Antenna The Inverter converts DC power to the higher voltage AC power that is required by the backlight. The Backlight shines through the screen and illuminates the display. •Two common types of backlights are cold cathode fluorescent lamp (CCFL) and LED. •Cold cathode fluorescent lamp (CCFL) are used in LCD monitors. • Wi-Fi antennas transmit and receive data carried out over wireless signals. Wi-Fi antennas in laptops are typically located above the screen,
21.
Presentation_ID 21© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Configure Laptop Power Settings The Advanced Configuration and Power Interface (ACPI) standards create a bridge between the hardware and OS and allow technicians to create power management schemes to get the best performance from the computer. The ACPI standards are applicable to most computers, but they are particularly important when managing power in laptops. These are the steps to access the ACPI settings in the BIOS: 1. Enter BIOS setup by pressing the appropriate key or key combination while the computer is booting. Typically this is the Delete key or the F2 key, but there are several other options. 2. Locate and enter the “Power Management settings” menu item. 3. Use the appropriate keys to enable ACPI mode. 4. Save and Exit BIOS setup.
22.
Presentation_ID 22© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Power Settings in Windows The Power Options feature in Windows allows you to reduce the power consumption of a number of devices or of the entire system. Use Power Options to control the power management features of the following: •Laptop •Hard drive •Display •Sleep timers •Low-battery warnings To configure your power settings, click: Start > Control Panel > Power Options
23.
Presentation_ID 23© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Communication Methods Laptops use several different communication methods: •Bluetooth •Infrared •Cellular WAN •Wi-Fi
24.
Presentation_ID 24© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Bluetooth
25.
Presentation_ID 25© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Infrared A short-range, low-throughput wireless technology used as a data transmission medium. Infrared light signals operate in the lowest light frequency. Distances are limited to a few feet or meters. IR cannot penetrate any object that blocks the light signal. Three types of IR networks: • Line of sight - The signal is transmitted only if there is a clear, unobstructed view between devices. • Scatter - The signal is bounced off ceilings and walls. • Reflective - The signal is sent to an optical transceiver and is redirected to the receiving device.
26.
Presentation_ID 26© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Cellular WAN To connect a laptop to a cellular WAN, you install an adapter that is designed to work with cellular networks. •Cellular WAN cards are plug-and-play. • Can be plugged in to the PC card slot or is built in to the laptop. •Also, access with a USB adapter or by using a mobile hotspot. Laptops with integrated cellular WAN capabilities require no software installation and no additional antenna or accessories.
27.
Presentation_ID 27© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Wi-Fi Wi-Fi is a wireless technology that provides a simple connection from anywhere within the range of a base station. Connection distances of 300 feet (91 meters) or more, depending on the environment. Ease of access makes Wi-Fi a simple solution for network connectivity.
28.
Presentation_ID 28© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Wi-Fi Laptops access the internet by using wireless adapters Mini-PCI - Commonly used by older laptops. Mini-PCI cards have 124 pins and are capable of 802.11a, 802.11b and 802.11g wireless LAN connection standards. Mini-PCIe - Most common type of wireless card in laptops. Mini-PCIe cards have 54 pins and support all wireless LAN standards. PCI Express Micro - Commonly found in newer and smaller laptops, such as Ultrabooks, because they are half the size of Mini-PCIe cards.
29.
Presentation_ID 29© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Expansion Options PC Card or ExpressCard slots used to add functionality such as: • Wi-Fi connectivity • Ethernet access • USB and FireWire ports • External hard drive access • Additional memory ExpressCard is the newer model of expansion card and is most commonly used: • ExpressCard /34 - 34 mm wide • ExpressCard /54 - 54 mm wide
30.
Presentation_ID 30© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Laptop Expansion Options Flash Memory •External Flash Drive •Flash Cards and Flash Card Readers SODIMM - smaller profile memory chip used by laptops •72-pin and 100-pin configurations for support of 32-bit transfers. •144-pin, 200-pin, and 204-pin configurations for support of 64- bit transfers. Note: Before purchasing and installing additional RAM, consult the laptop documentation or the website of the manufacturer for form-factor specifications.
31.
Presentation_ID 31© 2008
Cisco Systems, Inc. All rights reserved. Cisco Confidential Replacing Hardware Devices Customer Replaceable Units (CRUs) can be replaced by the customer. Field Replaceable Units (FRUs) should only be replaced by a qualified field technician typically in a repair center. Repairs include: • Hardware and software diagnostics • Data transfer and recovery • Hard drive installation and upgrades • RAM installation and upgrades • Keyboard and fan replacement • Internal laptop cleaning • LCD screen repair • LCD inverter and backlight repair
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