Emerson N410C, N400C User Manual

Maintenance and Service Guide

Compaq Evo Notebook N410c and N400c Series

Document Part Number: 268629-001

July 2002

This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying notebook features, components, and spare parts, troubleshooting notebook problems, and performing notebook disassembly procedures.

Compaq, Evo, and the Compaq logo are trademarks of Compaq Information Technologies Group, L.P.

Microsoft and Windows are trademarks of Microsoft Corporation.

Intel and Pentium are trademarks of Intel Corporation.

All other product names mentioned herein may be trademarks of their respective companies.

Compaq shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is provided “as is” without warranty of any kind and is subject to change without notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty.

Maintenance and Service Guide First Edition (July 2002) Document Part Number: 268629-001

1 Product Description

1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12

1.2 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . 1–13

1.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . 1–14

1.3 Computer External Components . . . . . . . . . . . . . . . 1–15

1.4 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–27

2 Troubleshooting

2.1 Computer Setup and

Diagnostics Utilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Selecting Computer Setup or

Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–3

Selecting from the Security Menu. . . . . . . . . . . . . . . 2–4

Selecting from the Advanced Menu . . . . . . . . . . . . . 2–5

2.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . 2–7

Obtaining, Saving, or Printing

Configuration Information. . . . . . . . . . . . . . . . . . . . . 2–7

Obtaining, Saving, or Printing Diagnostic

Test Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8

2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . 2–10

Maintenance and Service Guide iii

Contents

3 Illustrated Parts Catalog

3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 3–1

3.2 Computer System Major Components. . . . . . . . . . . . 3–2

3.3 Miscellaneous Plastics Kit Components . . . . . . . . . 3–10

3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–12

3.5 Miscellaneous Spare Parts . . . . . . . . . . . . . . . . . . . . 3–14

4 Removal and Replacement Preliminaries

4.1 Tools Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

4.2 Service Considerations. . . . . . . . . . . . . . . . . . . . . . . . 4–2

Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–2

Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 4–2

4.3 Preventing Damage to Removable Drives . . . . . . . . . 4–3

4.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . . 4–4

4.5 Packaging and Transporting Precautions . . . . . . . . . . 4–4

4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–5

4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–6

5 Removal and Replacement Procedures

5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . . 5–2

5.3 Preparing the Notebook for Disassembly . . . . . . . . . 5–3

5.4 Computer Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.5 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.6 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . 5–14

5.7 Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18

5.8 Mini PCI Communications Board . . . . . . . . . . . . . . 5–20

5.9 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22

5.10 Real Time Clock (RTC) Battery . . . . . . . . . . . . . . 5–26

5.11 Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–27

5.12 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29

5.13 Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–32

5.14 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–37

iv Maintenance and Service Guide

6 Specifications

A Connector Pin Assignments

B Power Cord Set Requirements

3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . B–1

General Requirements . . . . . . . . . . . . . . . . . . . . . . . . B–1

Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . B–2

C Screw Listing

Index

Contents

Maintenance and Service Guide v

Product Description

The Compaq Evo Notebook N410c and N400c Series offer advanced modularity, 1.20-GHz, 1.00-GHz, 850-MHz, or 700-MHz Intel Pentium III processors with 64-bit architecture, industry-leading Accelerated Graphics Port (AGP) implementation, and extensive multimedia support. The notebook provides desktop functionality and connectivity through the optional Mobile Expansion Unit (MEU).

Figure 1-1. Compaq Evo Notebook N410c and Evo Notebook N400c

Maintenance and Service Guide 1–1

Product Description

1.1 Models

Model naming conventions are shown in Tables 1-1 through 1-3.

Table 1-1

Compaq Evo Notebook N410c and N400c

Model Naming Conventions

Key

N4c P 120 X2 30 0 C 128 O XXXXXX-XXX

123456789 10

Key Description Options

1 Brand/Series

designator

2 Processor type P = Intel Pentium III

3 Processor speed 120 = 1.20 GHz

4Display type/

size/resolution

5 Hard drive size 30 = 30.0 MB 20 = 20.0 MB

6 Optical drive

designator

7 Integrated

communication

8 RAM 25 = 256 MB

9 Operating system E = Windows XP

10 SKU#

N = Evo Notebook 4 = Ultra portable

c = Common

850 = 850 MHz

100 = 1.00 GHz

X = XGA (1024 × 768)

0 = None

M = Modem 0 = None

12 = 128 MB

Home O = Windows XP Pro o = Windows XP/

Windows 2000

dual install

700 = 700 MHz

C = Modem/NIC

combination card

0 = None

2 = Windows 2000 6 = Windows 2000/

Window NT 4.0 dual install

8 = Windows 98

1–2 Maintenance and Service Guide

Product Description

Table 1-2

Compaq Evo Notebook N410c Models

The following Evo Notebook N410c models use config. code KVB2 and features:

■

TouchPad pointing device

■

4-cell, 2.0-Ah lithium ion (Li ion) battery pack

■

3-year warranty with on-site service

■

16 MB of integrated video memory

N410c P 120 X2 30 0 C 25 O

United States 470040-185

N410c P 120 X2 30 0 C 0 O

United States 470040-184

N410c P 120 X2 30 0 C 25 2

United States 470040-182

N410c P 120 X2 30 0 C 0 2

United States 470040-183

Maintenance and Service Guide 1–3

Product Description

Table 1-2

Compaq Evo Notebook N410c Models

The following Evo Notebook N410c models use config. code KVBZ and features:

■

TouchPad pointing device

■

4-cell, 2.0-Ah Li ion battery pack

■

3-year warranty

■

16 MB of integrated video memory

N410c P 120 X2 30 0 C 25 O

Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe International France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan (English) Korea Latin America

470037-654 470037-652 470037-564 470037-651 470037-576 470037-582 470037-589 470037-592 470037-557 470037-596 470037-599 470037-659 470037-624 470037-626 470037-628 470037-645 470037-647 470037-660 470037-649

Latin America

(NAFTA) The Netherlands Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovenia Spain Sweden Switzerland Ta i wa n Tu r ke y United Kingdom United States United States

(NAFTA)

(Continued)

470037-597

470037-629 470037-631 470037-655

470037-632 470037-634 470037-559 470037-635 470037-637 470037-638 470037-640 470037-657 470037-642 470037-643 470037-550 470037-600

1–4 Maintenance and Service Guide

Table 1-2

Compaq Evo Notebook N410c Models

N410c P 120 X2 30 0 C 25 2

Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe International France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan (English) Korea Latin America

470037-758 470037-756 470037-716 470037-753 470037-719 470037-721 470037-723 470037-725 470037-663 470037-727 470037-728 470037-761 470037-729 470037-730 470037-731 470037-748 470037-750 470037-762 470037-751

Latin America

(NAFTA) The Netherlands Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovenia Spain Sweden Switzerland Ta i wa n Tu r ke y United Kingdom United States United States

(NAFTA)

Product Description

(Continued)

470037-574

470037-732 470037-734 470037-759

470037-735 470037-737 470037-711 470037-739 470037-740 470037-742 470037-745 470037-760 470037-743 470037-744 470037-662 470037-690

Maintenance and Service Guide 1–5

Product Description

Table 1-2

Compaq Evo Notebook N410c Models

N410c P 100 X2 20 0 C 25 O

Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe International France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan (English) Korea

470040-136 470040-135 470040-044 470040-134 470040-057 470040-058 470040-114 470040-115 470040-006 470040-116 470040-117 470040-139 470040-118 470040-119 470040-120 470040-131 470040-132 470040-140

Latin America The Netherlands Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovenia Spain Sweden Switzerland Ta i wa n Tu r ke y United Kingdom United States

(Continued)

470040-133 470040-121 470040-122 470040-137

470040-123 470040-124 470040-020 470040-125 470040-126 470040-127 470040-128 470040-138 470040-129 470040-130 470039-997

1–6 Maintenance and Service Guide

Table 1-2

Compaq Evo Notebook N410c Models

N410c P 100 X2 20 0 C 25 2

Asia Pacific Australia Belgium Brazil Czech Republic Denmark Europe International France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan (English) Korea

470040-177 470040-176 470040-150 470040-175 470040-151 470040-152 470040-153 470040-154 470040-149 470040-155 470040-156 470040-180 470040-157 470040-158 470040-159 470040-171 470040-172 470040-181

Latin America The Netherlands Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovenia Spain Sweden Switzerland Ta i wa n Tu r ke y United Kingdom United States

Product Description

(Continued)

470040-174 470040-160 470040-161 470040-178

470040-162 470040-163 470040-164 470040-165 470040-166 470040-167 470040-168 470040-179 470040-169 470040-170 470040-148

Maintenance and Service Guide 1–7

Product Description

Table 1-2

Compaq Evo Notebook N410c Models

The following Evo Notebook N410c models use config. code KVBZ and features:

■

TouchPad pointing device

■

4-cell, 2.0-Ah Li ion battery pack

■

1-year warranty

■

16 MB of integrated video memory

N410c P 120 X2 30 0 C 25 O

Hong Kong 470037-594

N410c P 120 X2 30 0 C 25 2

Hong Kong 470037-565

The following Evo Notebook N410c models use config. code KVB1 and features:

■

TouchPad pointing device

■

4-cell, 2.0-Ah Li ion battery pack

■

1-year warranty

■

16 MB of integrated video memory

(Continued)

N410c P 100 X2 30 0 C 25 O

Japan 470037-593

N410c P 100 X2 30 0 C 12 2

Japan 470037-534

1–8 Maintenance and Service Guide

Product Description

Table 1-3

Compaq Evo Notebook N400c Models

The following Evo Notebook N400c models use config. code JMWZ and features:

■

TouchPad pointing device

■

4-cell, 2.0-Ah Li ion battery pack

■

1-year warranty with on-site service

■

16 MB of integrated video memory

N400c P 850 X2 20 0 0 25 6

European

470026-527 Thailand 470026-528

International

N400c P 850 X2 20 0 C 25 6

Australia Belgium Brazil Czech Republic Denmark France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan English Korea Latin America Latin America

(NAFTA)

The Netherlands

470026-698 470031-219 470031-236 470031-220 470031-221 470026-534 470026-533 470026-535 470031-223 470031-239 470031-224 470031-225 470026-536 470026-693 470026-694 470031-240 470026-695 470026-532

470031-228

Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovakia/

Slovenia Spain Sweden Switzerland

Ta i wa n Thailand Tu r ke y United Kingdom United States United States

(NAFTA)

470031-229 470031-237

470031-231 470031-232 470031-226 470031-233

470031-410 470031-234 470026-749

and

470026-750 470031-238 470026-697 470031-235 470026-537 470026-529 470026-531

Maintenance and Service Guide 1–9

Product Description

Table 1-3

Compaq Evo Notebook N400c Models

N400c P 700 X2 20 0 C 12 6

(Continued)

Asia Pacific Australia Belgium Brazil Czech Republic Denmark France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan English Korea Latin America Latin America

(NAFTA)

The Netherlands

470013-784 470013-786 470013-762 470013-782 470013-763 470013-764 470013-765 470013-761 470013-766 470013-767 470013-792 470013-768 470013-717 470013-721 470013-776 470013-778 470013-794 470013-780 470013-690

470013-738

Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovakia/

Slovenia Spain Sweden/Finland Switzerland

Ta i wa n Tu r ke y United Kingdom United States United States

(NAFTA)

470013-742 470013-788

470013-746 470013-752 470013-733 470013-756

470013-758 470013-760 470013-769

and 470013-770 470013-790 470013-772 470013-774 470013-471 470013-689

1–10 Maintenance and Service Guide

Table 1-3

Compaq Evo Notebook N400c Models

N400c P 700 X2 20 0 C 12 8

Asia Pacific Australia Belgium Brazil Czech Republic Denmark France French Canada Germany Greece/Poland Hong Kong Hungary Israel Italy Japan Japan English Korea Latin America Latin America

(NAFTA)

N400c P 700 X2 20 0 0 12 6

470013-783 470013-785 470013-695 470013-781 470013-696 470013-697 470013-698 470013-694 470013-699 470013-711 470013-791 470013-715 470013-716 470013-720 470013-775 470013-777 470013-793 470013-779 470013-686

The Netherlands Norway People’s

Republic of

China Portugal Russia Saudi Arabia Slovakia/

Slovenia Spain Sweden/Finland Ta i wa n Tu r ke y United Kingdom United States United States

(NAFTA)

Product Description

(Continued)

470013-736 470013-740 470013-787

470013-744 470013-750 470013-732 470013-755

470013-757 470013-759 470013-789 470013-771 470013-773 470013-470 470013-683

European

International

N400c P 700 X2 20 0 0 12 8

European

International

470013-678 Asia Pacific 470013-679

470013-676 Asia Pacific 470013-677

Maintenance and Service Guide 1–11

Product Description

1.2 Features

The notebook has the following features:

■

Intel Pentium III 1.20-GHz, 1.00-GHz, 850-MHz, or 700-MHz processor, with 256-KB integrated cache, varying by notebook model

■

ATI Mobility M1, 8-MB SDRAM

■

128 MB standard memory, expandable to 512 MB

■

Microsoft Windows 98, Windows 2000, Windows NT, or Windows XP preinstalled, varying by notebook model

■

12.1-inch, XGA, TFT (1024 × 768) or 12.1-inch, SVGA, TFT (800 × 600) display, with over 16.8 million colors, varying by notebook model

■

TouchPad or pointing stick pointing device (pointing stick available only on Evo Notebook N400c models)

■

Mini PCI 56K V.90 modem, or optional Mini PCI V.90 modem plus 10/100 NIC combination card

■

Support for one Type II PC Card slot with support for both 32-bit CardBus and 16-bit PC Cards

■

External AC adapter with power cord

■

Supports a 4-cell Li ion primary battery pack in the battery bay and an external 4-cell Li ion or 9-cell high-capacity battery pack

■

40-, 30-, 20-, or 10-GB high-capacity hard drive

■

Connectors for Mobile Expansion Unit (MEU), MultiPort wireless communication devices, stereo speaker/headphone, microphone, universal serial bus (USB), RJ-45 network, RJ-11 modem, parallel, serial, video out, external monitor, and AC power

■

Speaker

1–12 Maintenance and Service Guide

1.2 Clearing a Password

If the notebook you are servicing has an unknown password, follow these steps to clear the password. These steps also clear CMOS.

1. Prepare the notebook for disassembly. Refer to Section 5.3, “Preparing the Computer for Disassembly,” for more information.

2. Remove the real time clock (RTC) battery (refer to Section

5.10, “Real Time Clock (RTC) Battery”).

3. Wait approximately five minutes.

4. Replace the RTC battery and reassemble the notebook.

5. Connect AC power to the notebook. Do not reinsert any battery packs at this time.

6. Turn on the notebook.

All passwords and all CMOS settings are clear.

Product Description

Maintenance and Service Guide 1–13

Product Description

1.3 Power Management

The notebook comes with a collection of power management features that extends battery operating time and conserves power. The notebook supports the following power management features:

■

Standby

■

Hibernation

■

Setting customized by the user

■

Hotkeys for setting level of performance

■

Smart battery that provides an accurate battery power gauge

■

Battery calibration

■

Lid switch suspend/resume

■

Power switch

■

Standby button

■

Advanced Configuration and Power Management (ACP) compliant

1–14 Maintenance and Service Guide

Product Description

1.3 Computer External Components

The external components on the display and left side of the notebook are shown in Figure 1-2 and described in Table 1-4.

Figure 1-2. Front Panel Components

Table 1 - 4

Front Panel Components

Item Component Function

1 Vent Allows airflow to cool internal

components.

2 Display release latch Releases the display to open the

notebook.

3 Volume buttons (2) Adjust or mute the system volume.

4 MultiPort Connects wireless communication

devices, such as a Bluetooth or

802.11b MultiPort Module, and other options.

Maintenance and Service Guide 1–15

Product Description

The external components on the right side of the notebook are shown in Figure 1-3 and described in Table 1-5.

Figure 1-3. Right Side Components

Table 1 - 5

Right Side Components

Item Component Function

1 Power switch Turns the notebook on or off or

exits Standby.

2 Stereo speaker/

headphone jack

1–16 Maintenance and Service Guide

Connects stereo speakers, headphones, headset, or television audio.

Product Description

Table 1 - 5

Right Side Components

Item Component Function

3 Microphone jack Connects a single sound channel

4 PC Card eject button Ejects a PC Card from the PC

5 PC Card slot Supports 32-bit (CardBus) and

6 USB connector Connects USB devices.

7 Infrared port Links another IrDA-compliant

(Continued)

microphone.

Card slot.

16-bit PC Cards.

device for wireless communication.

8 RJ-45 jack (network models

only)

9 RJ-11 jack (internal modem

models only)

Connects the network cable.

A network cable is

✎

included with network models.

Connects the modem cable to an internal modem.

A modem cable is

✎

included with internal modem models.

Maintenance and Service Guide 1–17

Product Description

The external components on the left side of the notebook are shown in Figure 1-4 and described in Table 1-6.

Figure 1-4. Left Side Components

1–18 Maintenance and Service Guide

Product Description

Table 1-6

Left Side Components

Item Component Function

1 External monitor connector Connects an external monitor or

overhead projector.

2 Power jack Connects any one of the following:

■

AC adapter

■

Optional automobile power adapter/charger

■

Optional aircraft power adapter

3 USB connector Connects USB devices.

4 Vents Allow airflow to cool internal

components.

The forward vent is

✎

present only on Evo Notebook 400c models.

5 Security cable slot Attaches an optional security cable

to the notebook.

Maintenance and Service Guide 1–19

Product Description

Computer keyboard components are shown in Figure 1-5 and described in Table 1-7.

Figure 1-5. Keyboard Components (TouchPad Model)

Table 1-7

Keyboard Components

Item Component Function

1 Power/Standby button

2 Easy Access buttons (4) Provide quick access to the

1–20 Maintenance and Service Guide

■

Turns on the notebook if it is off.

■

Initiates and exits Standby.

■

When pressed with the Fn key, initiates Hibernation.

Internet.

Product Description

Table 1-7

Keyboard Components

Item Component Function

3 Microphone Inputs single-channel sound to the

4 Embedded numeric keypad Converts keys to numeric keypad.

5 Cursor control keys Move the cursor around the

6 Palm rest Provides TouchPad and TouchPad

7 Windows application key Displays a menu when using a

(Continued)

notebook; can be used whether the notebook is open or closed.

screen.

buttons or the pointing stick buttons. Also protects the internal hard drive, internal memory expansion slot, and modem/NIC mini PCI slot connector.

Microsoft application. The menu is the same one that is displayed by pressing the right mouse button.

8 Right TouchPad button

(TouchPad models only)

9 TouchPad

(TouchPad models only)

10 Left TouchPad button

(TouchPad models only)

11 Windows logo key Displays Windows Start menu.

12 Caps lock key Turns on the caps lock function.

Functions like the right mouse button on an external mouse.

Moves the mouse cursor, selects, and activates.

Functions like the left mouse button on an external mouse.

Maintenance and Service Guide 1–21

Product Description

Computer top components are shown in Figure 1-6 and described in Table 1-8.

Figure 1-6. Keyboard Components (Pointing Stick Model—Evo Notebook N400c models only)

Table 1-8

Keyboard Components

Item Component Function

2 Hard drive light On: The primary hard drive is

3 MultiBay light On: A MultiBay drive in the

1–22 Maintenance and Service Guide

through

function keys Perform preset functions.

F12

being accessed.

optional MEU or an external diskette drive connected to the notebook is being accessed.

Product Description

Table 1-8

Keyboard Components

Item Component Function

4 Num lock light On: Num lock is on and the

5 Caps lock light On: Caps lock is on.

6 Scroll lock light On: Scroll lock is on.

7 Battery light On: A battery pack is charging.

8 Power light On: Power is turned on.

(Continued)

embedded numeric keypad is enabled.

Blinking: A battery pack that is the only available power source has reached a low-battery condition.

Blinking: Computer is in Standby. The power light also blinks if a

battery pack that is the only available power source reaches a critical low-battery condition while Hibernation is disabled.

9 Pointing stick Moves the mouse cursor.

10 Right pointing stick button Functions like the right mouse

button on an external mouse.

11 Scroll button Can be set to scroll, magnify, or

function like the third button on an external mouse.

12 Left pointing stick button Functions like the left mouse

button on an external mouse.

key Used with hotkeys to perform

preset hotkey functions.

Maintenance and Service Guide 1–23

Product Description

The external components on the bottom of the notebook are shown in Figure 1-7 and described in Table 1-9.

Figure 1-7. Bottom Components

1–24 Maintenance and Service Guide

Table 1-9

Bottom Components

Item Component Function

Product Description

1 External battery release

latches (2)

2 Docking connector Connects the notebook to an

3 Battery bay Holds the primary battery pack.

4 Primary battery release

latches (2)

5 Fan Provides airflow to cool internal

6 Memory expansion

compartment cover

7 Certificate of Authenticity label Contains the Product Key, which

8 Speaker Produces sound.

9 Serial number Identifies the notebook; needed

Release the external battery pack.

optional Mobile Expansion Unit.

Release the primary battery pack from the battery bay.

components.

Covers the memory expansion compartment that contains one memory expansion slot for a memory expansion board.

may need to be entered before using some Windows operating systems.

when you call Compaq customer support.

Maintenance and Service Guide 1–25

+ 142 hidden pages