Hp 4740S User Manual

HP ProBook 4740s Notebook PC

Maintenance and Service Guide

Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Core are trademarks or registered trademarks of Intel Corporation in the United States and other countries. Microsoft, Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. SD Logo is a trademark of its proprietor.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: October 2012

Document Part Number: 702223-001

Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not

place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

iii

iv Safety warning notice

Table of contents

1 Product description ........................................................................................................................................ 1

2 External component identification ................................................................................................................ 7

Display .................................................................................................................................................. 7

Display - SUSE Linux models .............................................................................................................. 9

Top ..................................................................................................................................................... 10

TouchPad .......................................................................................................................... 10

Lights ................................................................................................................................. 11

Buttons and fingerprint reader (select models only) .......................................................... 12

Keys ................................................................................................................................... 14

Keys - SUSE Linux models ................................................................................................ 15

Front ................................................................................................................................................... 16

Left ..................................................................................................................................................... 17

Right ................................................................................................................................................... 18

Bottom ................................................................................................................................................ 19

3 Illustrated parts catalog ............................................................................................................................... 20

Service tag and PCID label ................................................................................................................ 20

Service tag ......................................................................................................................... 20

PCID label .......................................................................................................................... 21

Computer major components ............................................................................................................. 22

Display components ........................................................................................................................... 26

Plastics Kit .......................................................................................................................................... 26

Cable Kit ............................................................................................................................................. 27

Mass storage devices ......................................................................................................................... 28

Miscellaneous parts ............................................................................................................................ 29

Sequential part number listing ............................................................................................................ 30

4 Removal and replacement procedures ....................................................................................................... 35

Preliminary replacement requirements ............................................................................................... 35

Tools required .................................................................................................................... 35

Service considerations ....................................................................................................... 35

Plastic parts ....................................................................................................... 35

Cables and connectors ..................................................................................... 36

Drive handling ................................................................................................... 36

Grounding guidelines ......................................................................................................... 37

Electrostatic discharge damage ........................................................................ 37

Packaging and transporting guidelines ............................................. 38

Workstation guidelines ..................................................................... 38

Equipment guidelines ....................................................................... 39

Component replacement procedures ................................................................................................. 40

Battery ............................................................................................................................... 40

Bottom door ....................................................................................................................... 41

Using the optional security screw ...................................................................................... 42

Optical drive ....................................................................................................................... 43

Hard drive .......................................................................................................................... 45

Memory modules ............................................................................................................... 48

WLAN/Bluetooth combo card ............................................................................................ 50

Keyboard ........................................................................................................................... 52

Top cover ........................................................................................................................... 54

Fingerprint reader board .................................................................................................... 59

Function board/Power button board assembly .................................................................. 61

USB connector assembly .................................................................................................. 62

Fan ..................................................................................................................................... 64

Speaker assembly ............................................................................................................. 65

Audio board ....................................................................................................................... 67

Power cable ....................................................................................................................... 68

Battery cable ...................................................................................................................... 69

System board ..................................................................................................................... 70

RTC battery ....................................................................................................................... 73

Optical drive extension board ............................................................................................ 75

Hard drive extension board ................................................................................................ 77

Heat sink ............................................................................................................................ 79

Processor ........................................................................................................................... 80

Latch assembly .................................................................................................................. 83

Display assembly ............................................................................................................... 85

5 Computer Setup (BIOS) and Advanced System Diagnostics ................................................................... 93

Windows 7 – Computer Setup (BIOS) and Advanced System Diagnostics ....................................... 93

Using Computer Setup ...................................................................................................... 93

Starting Computer Setup ................................................................................... 93

Navigating and selecting in Computer Setup .................................................... 93

Restoring factory settings in Computer Setup ................................................... 94

Updating the BIOS ............................................................................................ 95

Downloading SoftPaqs to update the BIOS ...................................... 95

BIOS management using system diagnostics .................................. 95

Using f10 setup to update the BIOS ................................................. 95

Determining the BIOS version .......................................................... 96

Downloading a BIOS update ............................................................ 97

BIOS Setup Menu ............................................................................................. 97

Main menu ........................................................................................ 98

Security menu ................................................................................... 98

Diagnostics menu ............................................................................. 98

Using Advanced System Diagnostics ................................................................................ 98

Windows 8 – Computer Setup (BIOS) and Advanced System Diagnostics ..................................... 100

Using Computer Setup .................................................................................................... 100

Starting Computer Setup ................................................................................. 100

Navigating and selecting in Computer Setup .................................................. 100

Restoring factory settings in Computer Setup ................................................. 101

Updating the BIOS .......................................................................................... 102

Determining the BIOS version ........................................................ 102

Downloading a BIOS update .......................................................... 102

Using Advanced System Diagnostics .............................................................................. 103

SUSE Linux – Computer Setup (BIOS) and Advanced System Diagnostics ................................... 104

Starting Computer Setup ................................................................................................. 104

Using Computer Setup .................................................................................................... 104

Navigating and selecting in Computer Setup .................................................. 104

Restoring factory settings in Computer Setup ................................................. 105

Updating the BIOS ........................................................................................................... 105

Determining the BIOS version ......................................................................... 106

Downloading a BIOS update ........................................................................... 106

Using Advanced System Diagnostics .............................................................................. 107

6 Specifications .............................................................................................................................................. 108

Computer specifications ................................................................................................................... 108

43.9-cm (17.3-in), HD+ display specifications .................................................................................. 109

Hard drive specifications .................................................................................................................. 110

DVD±RW and CD-RW SuperMulti DL Combo Drive specifications ................................................. 111

Blu-ray Disc ROM with SuperMulti DVD±R/RW DL Drive ................................................................ 112

Specification information in Device Manager ................................................................................... 113

7 Backup and recovery .................................................................................................................................. 114

Windows 7 – Backup and recovery .................................................................................................. 114

vii

Creating recovery media with HP Recovery Disc Creator ............................................... 115

Creating recovery media ................................................................................. 115

Backing up your information ............................................................................................ 115

Performing a system recovery ......................................................................................... 116

Using the Windows recovery tools .................................................................. 116

Using f11 recovery tools .................................................................................. 117

Using a Windows 7 operating system DVD (purchased separately) ............... 118

Windows 8 – Backup and recovery .................................................................................................. 119

Backing up your information ............................................................................................ 119

Performing a system recovery ......................................................................................... 120

Using the Windows recovery tools .................................................................. 120

Using f11 recovery tools .................................................................................. 121

Using Windows 8 operating system media (purchased separately) ............... 121

Using Windows Refresh for quick and easy recovery ..................................... 122

Remove everything and reinstall Windows ..................................................... 122

Using HP Software Setup ............................................................................... 123

SUSE Linux – Backup and recovery ................................................................................................ 124

Creating backups ............................................................................................................. 124

Backing up your information ............................................................................................ 124

Performing a system recovery ......................................................................................... 125

USB Recovery option (select models only) ..................................................................... 125

Remove everything and reinstall SLED ........................................................................... 127

8 Power cord set requirements .................................................................................................................... 128

Requirements for all countries and regions ...................................................................................... 128

Requirements for specific countries and regions ............................................................................. 129

9 Recycling ..................................................................................................................................................... 131

Battery .............................................................................................................................................. 131

Display .............................................................................................................................................. 131

Index ................................................................................................................................................................. 137

viii

1 Product description

Category Description

Product Name HP ProBook 4740s Notebook PC

Processors Intel® Core™ i7 processor, Quad Core (6-GB L3 cache, 35W)

3632QM, 2.20-GHz processor

3612QM, 2.10-GHz processor

Intel® Core i5 processors, Dual Core (3-GB L3 cache, 35W)

3380M, 2.90-GHz processor

3360M, 2.80-GHz processor

3340M, 2.70-GHz processor

3320M, 2.60-GHz processor

3230M, 2.60-GHz processor

3210M, 2.50-GHz processor

2450M, 2.50-GHz processor

Intel Core i3 processors, Dual Core, 3rd generation (3-GB L3 cache, 35W)

3120M, 2.50-GHz processor

3110M, 2.40-GHz processor

Intel Core i3 processors, Dual Core, 2nd generation (3-GB L3 cache, 35W)

2370M, 2.40-GHz processor

2350M, 2.30-GHz processor

Intel Pentium processor, Dual Core (2-GB L3 cache, 35W)

2020M, 2.40-GHz processor

B980, 2.40-GHz processor

B970, 2.30-GHz processor

Intel Celeron processor (2-GB L3 cache, 35W)

840, 1.90-GHz processor

Chipset Mobile Intel HM76 chipset

Graphics AMD Radeon™ HD 7650M, 1-GB or 2-GB (discrete)

Category Description

Panel All display assemblies include 2 wireless local area network (WLAN) antennas

All displays are LED backlit

43.9-cm (17.3-inch) HD+, 1600x900, includes camera

Memory Two customer-accessible/upgradeable memory module slots supporting up to 8 GB

of RAM

Supports dual-channel memory

PC3-10600, 1333-MHz, DDR3

Supports the following configurations:

● 8192 (4096 × 2)

6144 (4096 + 2048)

●

4096 (2048 × 2)

●

● 4096 (4096 × 1)

2048 (2048 × 1)

●

Hard drives Supports 7-mm/9.5-mm/12.7-mm, 2.5-in SATA hard drives with HP 3D DriveGuard

Customer-accessible

Supports the following drives:

● 750-GB, 7200-rpm and 5400-rpm

● 640-GB, 5400-rpm

● 500-GB, 7200-rpm

320-GB, 7200-rpm

●

Fixed optical drives Supports the following 12.7-mm SATA optical drives:

● DVD-ROM

● DVD+/-RW SuperMulti DL

● Blu-ray ROM DVD+/-RW SuperMulti DL

Supports no optical drive option

Audio/Visual Integrated dual-array microphone (webcam models only)

Stereo speakers (2)

Integrated webcam (720p HD)

Headphone and microphone jacks

IDT 92HD87

Ethernet Realtek RTL8151EH-CG 10/100/1000

S3/S4/S5 wake on LAN (AC mode only)

Ethernet cable not included

Wireless Integrated WLAN options by way of wireless module:

2 Chapter 1 Product description

Category Description

Two WLAN antennas built into display assembly

Supports “no WLAN” option

Supports the following WLAN formats:

Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter

●

Broadcom 4313GN 802.11b/g/n 1x1 WiFi and 20702 Bluetooth 4.0 Combo

●

Adapter

Intel Centrino Wireless-N 2230

●

Intel Centrino Advanced-N 6235

●

● Ralink WLAN Ralink Ripple3 RT5390F_802.11 b/g/n 1x1 PCIe HMC

Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter

●

Atheros AR9565 802.11bgn 1x1 WiFi + BT4.0 combo Adapter

●

● Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter

Ralink RT5390R 802.11bgn 1x1 Wi-Fi Adapter

●

Integrated personal area network (PAN) options by way of Bluetooth® module:

Bluetooth 4.0 only supported by combo card

External media card 6-in-1 Digital Media Reader Slot

Ports Audio-in (stereo microphone)

Audio-out (stereo headphone)

RJ-45 (Ethernet, includes link and activity lights)

USB 3.0 (2)

USB 2.0 (2)

VGA (Dsub 15-pin) supporting 1600 × 1200 external resolution at 75-GHz (hot plug/

unplug with auto-detect)

HDMI

Multi-pin AC port

Keyboard/pointing devices Full-sized keyboard with numeric keypad

Touchpad includes: supports 2-way scroll with legend, taps enabled by default, 2-

finger scrolling and zoom enabled by default

Power requirements 90-W Smart AC adapter with localized cable plug support (3-wire plug with ground

pin):

In-line cavity, 8-cell, 73-Wh Li-ion battery

Security Integrated fingerprint reader

Intel AT support

Support Kensington security lock

Support no fingerprint reader option

Operating system Preinstalled:

Category Description

Windows 7 Professional 64 with Microsoft Basics

Windows 7 Professional 32 with Microsoft Basics (Japan only)

Windows 7 Home Premium 64 with Microsoft Basics

Windows 8 Professional 64-bit Digital Product Key (DPK) with Windows 7

Windows 8 Professional 64-bit Digital Product Key with Windows 7 Professional 32

Windows 8 Multi-language (ML) 64-bit with Microsoft Basics

Windows 8 Professional 64-bit with Microsoft Basics

Novell™: SuSE Linux™ – SLED 11, 64-bit, SP2

FreeDOS

Preinstalled with Microsoft Office:

Windows 7 Home Basic 64 with Microsoft Office 2010 Starter (not for Japan)

Windows 7 Home Basic 64 with Microsoft Office 2010 Starter – EDGI

Windows 7 Professional 64 with Microsoft Office 2010 Starter MSNA

Windows 7 Professional 64 with Microsoft Office 2010 Starter EDGI

Windows 7 Professional 64 with Microsoft Office 2010 Starter (not for Japan)

Windows 7 Professional 64 with Microsoft Office 2010 Personal (Japan only)

Windows 7 Professional 64 with Microsoft Office 2010 Home & Business (Japan only)

Windows 7 Professional 64 with Microsoft Office 2010 Professional (Japan only)

Professional 64 Microsoft Basics

Microsoft Basics (Japan only)

Windows 7 Professional 32 with Microsoft Office 2010 Personal (Japan only)

Windows 7 Professional 32 with Microsoft Office 2010 Home & Business (Japan only)

Windows 7 Professional 32 with Microsoft Office 2010 Professional (Japan only)

Windows 7 Home Premium 64 with Microsoft Office 2010 Starter EDGI

Windows 7 Home Premium 64 with Microsoft Office 2010 Starter

Windows 7 Home Premium 64 with Microsoft Office 2010 Personal (Japan only)

Windows 7 Home Premium 64 with Microsoft Office 2010 Home & Business (Japan

only)

Windows 7 Home Premium 64 with Microsoft Office 2010 Professional (Japan only)

Restore Media:

Windows 7 Professional 64

Windows 7 Professional 32

Windows 7 Home Premium 64

Windows 7 Home Basic 64

Windows 8 Professional Digital Product Key (DPK) 64-bit with Windows 7

Professional 32 Image and Office 2010 Personal (Japan only)

4 Chapter 1 Product description

Category Description

Windows 8 Professional Digital Product Key 64-bit with Windows 7 Professional 32

Windows 8 Professional Digital Product Key 64-bit with Windows 7 Professional 64

Windows 8 Multi-language (ML) 64-bit with Office 2010 Transition OEM

Windows 8 Emerging Markets (EM) 64-bit with Office 2010 Transition OEM

Windows 8 Chinese Market (CH) 64-bit with Office 2010 Transition OEM

Windows 8 Multi-language 64-bit with Office 2010 Personal (Japan only)

Windows 8 Multi-language 64-bit with Office 2010 Home & Business (Japan only)

Image and Office 2010 Home & Business (Japan only)

Image Digital Product Key and Office 2010 Home & Business (Japan only)

Image and Office 2010 Starter (not available in Japan, the People's Republic of China, or Asia)

Image and Office 2010 Personal (Japan only)

Image and Office 2010 Home & Business (Japan only)

Image and Office 2010 Professional (Japan only)

Preinstallation Kit (OPK) (not available in Japan)

Preinstallation Kit (not available in Japan)

Preinstallation Kit (People's Republic of China only)

Windows 8 Multi-language 64-bit with Office 2010 Professional (Japan only)

Windows 8 Professional 64-bit with Office 2010 Transition OEM Preinstallation Kit

Windows 8 Professional 64-bit with Office 2010 Personal (Japan only)

Windows 8 Professional 64-bit with Office 2010 Home & Business (Japan only)

Windows 8 Professional 64-bit with Office 2010 Professional (Japan only)

DRDVD Windows 7

Web-only support:

Windows XP Professional (Discrete graphic drive not supported)

Windows 7 Home Basic 32

Windows 7 Home Premium 32

Windows 7 Professional 32

Windows 8 Professional 64

Certified:

Microsoft WHQL

Serviceability End-user replaceable parts:

AC adapter

(not available in Japan)

Battery (system)

Category Description

Hard drive

Memory module

Optical drive

WLAN module

Keyboard

6 Chapter 1 Product description

2 External component identification

Display

Component Description

(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless

(2) Internal microphone(s) (1 or 2 depending on

model)

(3) Webcam light (select models only) On: The webcam is in use.

(4) Webcam (select models only) Records video and captures still photographs.

local area networks (WLAN).

Record sound.

To use the webcam, select Start > All Programs > ArcSoft TotalMedia Suite > WebCam Companion.

Display 7

Component Description

(5) Internal display switch Turns off the display or initiates Sleep if the display is closed

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions. To see wireless regulatory notices, refer to the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region. These notices are located in Help and Support. To access this guide in Windows 8, select the HP Support Assistant app on the Start screen, select My computer, and then select the User guides.

while the power is on.

NOTE: The display switch is not visible from the outside of the

computer.

8 Chapter 2 External component identification

Display - SUSE Linux models

NOTE: Refer to the illustration that most closely matches your computer.

Component Description

(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless

(2) Internal microphones (1 or 2 depending on

model)

(3) Webcam light (select models only) On: The webcam is in use.

(4) Webcam (select models only) Records video and captures still photographs.

(5) Internal display switch Turns off the display or initiates Suspend if the display is closed

local area networks (WLAN).

Record sound.

while the power is on.

NOTE: The display switch is not visible from the outside of the

computer.

Display - SUSE Linux models 9

Top

TouchPad

Component Description

(1) TouchPad on/off button Turns the TouchPad on and off.

(2) TouchPad zone Moves the pointer and selects or activates items on the

(3) Left TouchPad button Functions like the left button on an external mouse.

(4) Right TouchPad button Functions like the right button on an external mouse.

screen.

10 Chapter 2 External component identification

Lights

Components Description

(1)

(2) Caps lock light On: Caps lock is on.

(3)

(4)

(5) TouchPad light

Power light

Web browser light

Wireless light

On: The computer is on.

●

● Blinking: The computer is in the Sleep state.

Off: The computer is off or in Hibernation.

●

On: The computer is on.

●

● Off: The computer is off, in Suspend mode, or in

Hibernation.

In SUSE Linux: Off: The computer is off, in the Suspend state, or in Hibernation.

White: An integrated wireless device, such as a

●

wireless local area network (WLAN) device and/or a Bluetooth® device, is on

Amber: All wireless devices are off.

●

Amber: The TouchPad is off.

●

● Off: TouchPad is on.

Top 11

Buttons and fingerprint reader (select models only)

12 Chapter 2 External component identification

Component Description

(1)

Power button

When the computer is off, press the button to turn on

●

the computer.

● When the computer is on, press the button briefly to

initiate Sleep/Suspend.

When the computer is in the Sleep state, press the

●

button briefly to exit Sleep/Suspend.

When the computer is in Hibernation, press the button

●

briefly to exit Hibernation.

If the computer has stopped responding and operating system shutdown procedures are ineffective, press and hold the power button down for at least 5 seconds to turn off the computer.

CAUTION: Pressing and holding down the power button

will result in the loss of unsaved information.

To learn more about your power settings:

In Windows 7:

Select Start > Control Panel > System and

●

Security > Power Options.

In Windows 8:

From the Start screen, type power options. Click

●

Settings, and then select Power Options from the options displayed.

In SUSE Linux:

1. Select Computer > Control Center.

2. In the left pane, click System, and then click Power

Management in the right pane.

(2) Speakers (2) Produce sound.

(3)

(4)

(5) Fingerprint reader (select models only) Allows a fingerprint logon to Windows, instead of a

Web browser button Opens the default Web browser.

Wireless button Turns the wireless feature on or off but does not establish a

wireless connection.

NOTE: A wireless connection may be established if one

has been previously configured.

password logon.

Top 13

Keys

Component Description

(1) esc key Displays system information when pressed in combination

(2) fn key Executes frequently used system functions when pressed

(3)

(4) Function keys Execute frequently used system functions when pressed in

(5)

(6) num lk key Alternates between the navigational and numeric functions

(7) Integrated numeric keypad Can be used like an external numeric keypad.

Windows 7 logo key

Windows 8 logo key

Windows 7 applications key Windows 7: Displays a shortcut menu for items beneath the

Windows 8 applications key

with the fn key.

in combination with a function key, the num lk key, the esc key, or other keys.

Displays the Windows Start menu.

combination with the fn key.

cursor.

Windows 8: Displays the App bar and a shortcut menu for items beneath the cursor.

on the integrated numeric keypad.

14 Chapter 2 External component identification

Keys - SUSE Linux models

Component Description

(1) fn key Executes frequently used system functions when pressed

(2)

(3) Function keys Execute frequently used system functions when pressed in

(4)

(5) num lk key Alternates between the navigational and numeric functions

(6) Integrated numeric keypad Can be used like an external numeric keypad.

Operating system logo key Displays the operating system menu.

Operating system applications key Displays a shortcut menu for items beneath the cursor.

in combination with a function key.

combination with the fn key.

on the integrated numeric keypad.

Top 15

Front

Component Description

(1)

(2) Media Card Reader Supports the following digital card formats:

(3)

Drive light

Audio-out (headphone) jack Connects optional powered stereo speakers, headphones,

Blinking white: The hard drive is being accessed.

●

● Amber: HP 3D DriveGuard has temporarily parked the

hard drive.

● Memory Stick PRO

Memory Stick PRO Duo (needs an adapter)

●

MultiMediaCard (MMC)

●

● MultiMediaCardplus (MMC+)

Secure Digital (SD) Card

●

Secure Digital High Capacity (SDHC) Card

●

● Secure Digital Extra Capacity (SDXC) Card

earbuds, a headset, or a television audio cable.

WARNING! To reduce the risk of personal injury, adjust

the volume before putting on headphones, earbuds, or a headset. For additional safety information, refer to the

Regulatory, Safety, and Environmental Notices

NOTE: When a device is connected to the jack, the

computer speakers are disabled.

(4)

Audio-in (microphone) jack Connects an optional computer headset microphone, stereo

16 Chapter 2 External component identification

array microphone, or monaural microphone.

Left

Component Description

(1)

(2) Power connector Connects an AC adapter.

(3)

(4) Vent Enables airflow to cool internal components.

(5)

Security cable slot Attaches an optional security cable to the computer.

NOTE: The security cable is designed to act as a

deterrent, but it may not prevent the computer from being mishandled or stolen.

AC adapter/battery light

External monitor port Connects an external VGA monitor or projector.

White: The computer is connected to external power

●

and the battery is charged from 90 to 99 percent.

Amber: The computer is connected to external power

●

and the battery is charged from 0 to 90 percent.

● Blinking amber: A battery that is the only available

power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly.

Off: The battery is fully charged.

●

NOTE: The computer fan starts up automatically to cool

internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.

(6)

(7)

(8)

RJ-45 (network) jack Connects a network cable.

HDMI port Connects an optional video or audio device, such as a

high-definition television, or any compatible digital or audio device.

USB 3.0 ports (2) Connect optional USB devices.

Left 17

Right

Component Description

(1)

(2) Optical drive (select models only) Reads an optical disc.

(3) Optical drive light (select models only) ● On: The optical drive is being accessed.

(4) Optical drive eject button (select models

USB 2.0 ports (2) Connect optional USB devices.

NOTE: On select models, the optical drive also writes to

an optical disc.

Off: The optical drive is idle.

●

only)

Releases the optical drive disc tray.

18 Chapter 2 External component identification

Bottom

Component Description

(1)

(2) Battery bay Holds the battery.

(3)

(4) Vents (2) Enable airflow to cool internal components.

Battery and service door release latches

Service door Protects the hard drive bay, the wireless LAN (WLAN)

Releases the battery from the battery bay by sliding

●

the release latches one time.

When the battery has been removed from the battery

●

bay, releases the service door from the computer by sliding the release latches a second time.

module slot, the WWAN module slot, and the memory module slots.

CAUTION: To prevent an unresponsive system, replace

the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. On Windows 7 models, contact technical support through Help and Support. On Windows 8 models, from the Start screen, type help, and then select Help and Support.

NOTE: The computer fan starts up automatically to cool

internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.

Bottom 19

3 Illustrated parts catalog

Service tag and PCID label

Service tag

When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag.

Product name (1). This is the product name affixed to the front of the computer.

●

Serial number (s/n) (2). This is an alphanumeric identifier that is unique to each product.

●

Part number/Product number (p/n) (3). This number provides specific information about the

●

product's hardware components. The part number helps a service technician to determine what components and parts are needed.

Warranty period (4). This number describes the duration (in years) of the warranty period for the

●

computer.

Model description (select models only) (5). This is the alphanumeric identifier used to locate

●

documents, drivers, and support for the computer.

20 Chapter 3 Illustrated parts catalog

PCID label

The PCID label provides the information required to properly reset the notebook firmware (BIOS) back to factory shipped specifications when replacing the system board. The label may have a different number of characters depending on the operating system on the computer.

NOTE: Computer details may vary from images.

Windows 8 models

Non-Windows 8 models

Service tag and PCID label 21

Computer major components

22 Chapter 3 Illustrated parts catalog

+ 118 hidden pages