HP nc4000 - Notebook PC Manual

Maintenance and Service
Guide
HP Compaq Notebook nc4000 Series
Document Part Number: 310030-001
May 2003
This troubleshooting reference is used for maintaining and
servicing the notebook. The guide provides comprehensive
information on identifying notebook features, components, and
spare parts, troubleshooting notebook problems, and performing
notebook disassembly procedures.

© 2003 Hewlett-Packard Development Company, L.P.
Microsoft and Windows are trademarks of Microsoft Corporation in the
U.S. and/or other countries. Intel, Pentium, and SpeedStep are trademarks
of Intel Corporation in the U.S. and/or other countries. SD Logo is a
trademark.
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.
Maintenance and Service Guide
HP Compaq Notebook nc4000 Series
First Edition May 2003
Document Part Number: 310030-001

Maintenance and Service Guide iii
Contents
1 Product Description
1.1 Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.3 Clearing a Password . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
1.4 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
1.5 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–9
1.6 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–18
2 Troubleshooting
2.1 Computer Setup and Diagnostics Utilities . . . . . . . . 2–1
Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . 2–2
Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–3
Selecting from the Security Menu . . . . . . . . . . . . . . 2–4
Selecting from the Advanced Menu . . . . . . . . . . . . . 2–5
2.2 Using Diagnostics for Window. . . . . . . . . . . . . . . . . 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

iv Maintenance and Service Guide
Contents
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Notebook Major Components. . . . . . . . . . . . . . . . . . 3–2
3.3 Miscellaneous Plastics Kit Components . . . . . . . . . . 3–8
3.4 Port Replicators and Mass Storage Devices . . . . . . 3–10
3.5 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–11
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–2
5.3 Preparing the Notebook for Disassembly . . . . . . . . . 5–4
5.4 Notebook Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–8
5.5 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . 5–9
5.6 Mini PCI Communications Board. . . . . . . . . . . . . . 5–10
5.7 LED Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . 5–13
5.8 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15
5.9 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20

Contents
Maintenance and Service Guide v
5.10 Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–22
5.11 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26
5.12 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–28
5.13 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–32
5.14 Bluetooth Wireless Device. . . . . . . . . . . . . . . . . . . 5–36
5.15 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–37
5.16 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–40
5.17 Speaker/Microphone . . . . . . . . . . . . . . . . . . . . . . . 5–41
5.18 Switch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–42
5.19 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–43
5.20 Modem Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–46
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

Maintenance and Service Guide 1–1
1
Product Description
The HP Compaq Notebook nc4000 Series of personal notebooks
offer advanced modularity, Intel Mobile Pentium-M processors
with 64-bit architecture, industry-leading Accelerated Graphics
Port (AGP) implementation, and extensive multimedia support.
HP Compaq Notebook nc4000 Series

1–2 Maintenance and Service Guide
Product Description
1.1 Models
Notebook models are shown in Tables 1-1 and 1-2.
Table 1-1
HP Compaq Notebook nc4000 Model Naming Conventions
Key
Cnc4000 P 160 X2 60 0 C/C 51 O XXXXXX-XXX
123456789 10
Key Description Options
1 Brand/Series
designator
C = Compaq nc4000 = nc4000
2 Processor type P = Intel Pentium-M
3 Processor speed 160 = 1.6 GHz
150 = 1.5 GHz
140 = 1.4 GHz
130 = 1.3 GHz
4Displaytype/
size/resolution
X = XGA (1024 × 768) 2 = 12.x in
5 Hard drive size 60 = 60 GB
40 = 40 GB
30 = 30 GB
6 Optical drive
designator
N = None
7 Integrated
communication/
wireless device
G = Combination
modem and
GB NIC
M = Modem
N = None
d = 802.11a/b/g
c = 802.11b/g
j = 802.11b/g +
Bluetooth
m = 802.11a/b/g +
Bluetooth
N = none
p = Bluetooth
8 RAM 51 = 512 MB 25 = 256 MB
9 Operating system 2 = Windows 2000 O = Windows XP Pro
10 SKU#

Product Description
Maintenance and Service Guide 1–3
Table 1-2
HP Compaq Notebook nc4000 Models
All HP Compaq Notebook nc4000 models use configuration code LN5Z and
feature:
■Dual point pointing device (TouchPad and pointing stick)
■6-cell, 4.0 wH lithium ion (Li ion) battery pack
■3-year warranty on parts and labor
Cnc4000 P 160 X2 40 N G/d 51 O
French Canada DG987A ABC United States DG987A ABA
Cnc4000 P 160 X2 40 N G/d 51 2
French Canada DG988A ABC United States DG988A ABA
Cnc4000 P 150 X2 60 N G/m 51 O
Asia Pacific
France
Italy
DG994A UUF
DG994A ABF
DG994A ABz
Japan
United States
DG994A ABE
DG994A ABA
Cnc4000 P 150 X2 40 N G/j 51 O
Belgium
Denmark
Europe
France
Germany
Greece
Italy
DG991A UUG
DG991A ABY
DG991A ABB
DG991A ABF
DG991A ABD
DG991A AB7
DG991A ABZ
The Netherlands
Norway
Portugal
Spain
Sweden/Finland
Switzerland
United Kingdom
DG991A ABH
DG991A ABN
DG991A AB9
DG991AABE
DG991A AK8
DG991A UUZ
DG991A ABU
Cnc4000 P 150 X2 40 N G/j 51 2
Belgium
Denmark
Europe
France
Germany
Greece
Italy
DG992A UUG
DG992A ABY
DG992A ABB
DG992A ABF
DG992A ABD
DG992A AB7
DG992A ABZ
The Netherlands
Norway
Portugal
Spain
Sweden/Finland
Switzerland
United Kingdom
DG992A ABH
DG992A ABN
DG992A AB9
DG992AABE
DG992A AK8
DG992A UUZ
DG992A ABU

1–4 Maintenance and Service Guide
Product Description
Cnc4000 P 150 X2 40 N G/c 25 O
Asia Pacific
France
Germany
Italy
DG993A UUF
DG993A ABF
DG993A ABD
DG993A ABZ
Japan
Spain
United States
DG993A ABJ
DG993A ABE
DG993A ABA
Cnc4000 P 140 X2 40 N G/N 25 O
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe
France
French Canada
Germany
Greece
Hong Kong
Hungary
Iceland
India
Israel
Italy
Japan
Japan (English)
Korea
DG244A UUF
DG244A ABG
DG244A UUG
DG244A AC4
DG244A AKB
DG244A ABY
DG244A ABB
DG244A ABF
DG244A ABC
DG244A ABD
DG244A AB7
DG244A AB5
DG244A AKC
DG244A A2M
DG244A ACJ
DG244A ABT
DG244A ABZ
DG244A ABK
DG244A ACF
DG244A AB1
Latin America
The Netherlands
Norway
People’s
Republic
of China
Poland
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden/Finland
Switzerland
Ta i w an
Thailand
Tu r k ey
United Kingdom
United States
DG244A ABM
DG244A ABH
DG244A ABN
DG244A AB2
DG244A AKD
DG244A AB9
DG244A ACB
DG244A ABV
DG244A AKN
DG244A ABE
DG244A AK8
DG244A UUZ
DG244A AB0
DG244A AKL
DG244A AB8
DG244A ABU
DG244A ABA
Table 1-2
HP Compaq Notebook nc4000 Models
(Continued)

Product Description
Maintenance and Service Guide 1–5
Cnc4000 P 140 X2 40 N G/N 25 2
Asia Pacific
Australia
Belgium
Brazil
Czech Republic
Denmark
Europe
France
French Canada
Germany
Greece
Hong Kong
Hungary
Iceland
India
Israel
Italy
Japan
Japan (English)
Korea
DG245A UUF
DG245A ABG
DG245A UUG
DG245A AC4
DG245A AKB
DG245A ABY
DG245A ABB
DG245A ABF
DG245A ABC
DG245A ABD
DG245A AB7
DG245A AB5
DG245A AKC
DG245A A2M
DG245A ACJ
DG245A ABT
DG245A ABZ
DG245A ABK
DG245A ACF
DG245A AB1
Latin America
The Netherlands
Norway
People’s
Republic
of China
Poland
Portugal
Russia
Saudi Arabia
Slovenia
Spain
Sweden/Finland
Switzerland
Ta i w an
Thailand
Tu r k ey
United Kingdom
United States
DG245A ABM
DG245A ABH
DG245A ABN
DG245A AB2
DG245A AKD
DG245A AB9
DG245A ACB
DG245A ABV
DG245A AKN
DG245A ABE
DG245A AK8
DG245A UUZ
DG245A AB0
DG245A AKL
DG245A AB8
DG245A ABU
DG245A ABA
Table 1-2
HP Compaq Notebook nc4000 Models
(Continued)

1–6 Maintenance and Service Guide
Product Description
1.2 Features
■Intel Pentium-M 1.6-, 1.5-, 1.4-, or 1.3-GHz processor with
400-MHz processor side bus and 1024-KB L2 cache, varying
by notebook model
■12.1-inch XGA (1024 × 768) TFT display with over 16.7
million colors, varying by notebook model
■ATI Mobility Radeon graphics with user selectable 32- or
64-MB DDR Synchronous DRAM (SDRAM)
■60-, 40-, or 30-GB high-capacity hard drive, varying by
notebook model
■256-MB high-performance SDRAM, expandable to 1.0 GB
■Microsoft Windows 2000 or Windows XP Pro, varying by
notebook model
■Full-size Windows 98 keyboard with Dual Stick (TouchPad
and pointing stick)
Cnc4000 P 130 X2 30 N G/p 25 O
Belgium
Denmark
Europe
France
Germany
Greece
Italy
DG989A UUG
DG989A ABY
DG989A ABB
DG989A ABF
DG989A ABD
DG989A AB7
DG989A ABZ
The Netherlands
Norway
Portugal
Spain
Sweden/Finland
Switzerland
United Kingdom
DG989A ABH
DG989A ABN
DG989A AB9
DG989AABE
DG989A AK8
DG989A UUZ
DG989A ABU
Cnc4000 P 130 X2 30 N G/p 25 2
Belgium
Denmark
Europe
France
Germany
Greece
Italy
DG990A UUG
DG990A ABY
DG990A ABB
DG990A ABF
DG990A ABD
DG990A AB7
DG990A ABZ
The Netherlands
Norway
Portugal
Spain
Sweden/Finland
Switzerland
United Kingdom
DG990A ABH
DG990A ABN
DG990A AB9
DG990AABE
DG990A AK8
DG990A UUZ
DG990A ABU
Table 1-2
HP Compaq Notebook nc4000 Models
(Continued)

Product Description
Maintenance and Service Guide 1–7
■56-Kbps V.92 modem integrated on the system board
■Integrated Secure Digital (SD) flash media slot
■Integrated wireless support of 802.11a/b/g and Bluetooth
devices
■Support for one Type I or II PC Card slot with support for
both 32-bit CardBus and 16-bit PC Cards
■External 65 W AC adapter with power cord
■6-cell Li ion battery pack
■PremierSound 16-bit sound
■Support for the following drives through the optional
Advanced or Common Port Replicators or the
USB MultiBay cradle:
❏1.44-MB diskette drive
❏24X Max CD-ROM drive
❏8X Max CD-RW drive
❏8X Max DVD-ROM drive
❏8X Max DVD-CDRW combination drive
■Connectors for:
❏One Type II PC Card slot
❏External monitor
❏Microphone in
❏DC power
❏RJ-11 (modem)
❏RJ-45 (NIC)
❏Infrared port
❏S-video TV-out connector
❏USB port
❏Docking connector
❏Travel battery connector

1–8 Maintenance and Service Guide
Product Description
1.3 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 Notebook for Disassembly,” for more
information).
2. Remove the real time clock (RTC) battery (refer to
Section 5.16, “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 have been cleared.

Product Description
Maintenance and Service Guide 1–9
1.4 Power Management
The notebook comes with power management features that
extend battery operating time and conserve power. The notebook
supports the following power management features:
■Standby
■Hibernation
■Setting customization by the user
■Hotkeys for setting level of performance
■Battery calibration
■Lid switch Standby/resume
■Power/Standby button
■Advanced Configuration and Power Management (ACP)
compliance

1–10 Maintenance and Service Guide
Product Description
1.5 External Components
The external components on the front and right side of the
notebook are shown in below and described in Table 1-3.
.
Front and Right Side Components
Table 1-3
Front and Right Side Components
Item Component Function
1 Microphone Inputs single-channel sound.
2 Wireless on/off light On: The wireless mini PCI card and/or
Bluetooth are on.
Off: The wireless mini PCI card and
Bluetooth are off.
3 Power/Standby light On: Power is turned on.
Blinking: Notebook is in Standby.
4 Battery light On: A battery pack is charging.
Blinking: A battery pack that is the only
available power source has reached a
low-battery condition. When the battery
reaches a critical low-battery condition, the
battery light begins blinking more quickly.
5 Display release latch Opens the notebook.

Product Description
Maintenance and Service Guide 1–11
6 Security cable slot Attaches an optional security cable to the
notebook.
7 Hard drive bay Holds the primary hard drive.
8 Exhaust vent Enables airflow to cool internal
components.
ÄCAUTION: To prevent overheating, do not obstruct vents. Using the
notebook on a soft surface, such as a pillow, blanket, rug, or thick
clothing can block airflow.
Table 1-3
Front and Right Side Components
(Continued)
Item Component Function

1–12 Maintenance and Service Guide
Product Description
The notebook rear panel and left side components are shown
below and described in Table 1-4.
Rear Panel and Left Side Components
Table 1-4
Rear Panel and Left Side Components
Item Component Function
1 Exhaust vent Enables airflow to cool internal
components.
ÄCAUTION: To prevent overheating, do not obstruct vents. Using the
notebook on a soft surface, such as a pillow, blanket, rug, or thick
clothing can block airflow.
2 S-Video out jack Connects an optional S-Video device, such
as a television, VCR, camcorder, overhead
projector, or video capture card.
3 External monitor
connector
Connects an optional external monitor or
overhead projector.

Product Description
Maintenance and Service Guide 1–13
4 USB connectors (2) Connect USB 1.1- and 2.0-compliant
devices to the notebook using a standard
USB cable.
The right connector also functions as a
self-powered USB connector and allows an
optional External MultiBay to be connected
to the notebook using the External
MultiBay-Powered USB cable.
5 DC power connector
RJ-45 jack RJ-11 jack
Connects an AC adapter or an optional
Automobile power adapter/charger, aircraft
power adapter, or DC cable.
6 RJ-45 network jack Connects a network cable.
7 RJ-11 modem jack Connects a modem cable.
8 Infrared port Links another IrDA-compliant device for
wireless communication.
9 PC Card eject button Ejects an optional PC Card from the PC
Card slot.
10 PC Card slot Supports optional Type I or Type II 32-bit
(CardBus) or 16-bit PC Cards.
11 Secure Digital
(SD) slot
Supports SD Cards and MMCs (multimedia
cards).
12 Audio line-out jack Connects optional powered stereo
speakers, headphones, headset, or
television audio.
13 Microphone input jack Connects an optional monaural
microphone.
14 Speaker Produces system sound.
Table 1-4
Rear Panel and Left Side Components
(Continued)
Item Component Function

1–14 Maintenance and Service Guide
Product Description
The notebook keyboard components are shown below and
described in Table 1-5.
Keyboard Components
Table 1-5
Keyboard Components
Item Component Function
1Fn key Executes frequently used system functions
when pressed in combination with another key.
2Caps lock key On: Caps lock is on.
3F1 through F12
function keys
Execute frequently used system functions
when pressed in combination with the Fn key.
4Num lock key On: Num lock is on and the internal keypad is
enabled.
5 Internal keypad Converts keys to numeric keypad.
6 Cursor control
keys
Move the cursor around the screen.
7 Applications key Displays shortcut menu for items beneath the
pointer.
8 Microsoft Windows
logo key
Displays the Windows Start menu.

Product Description
Maintenance and Service Guide 1–15
The notebook top components are shown below and described in
Table 1-6.
Top Components
Table 1-6
Top Components
Item Component Function
1 Display lid switch Secures the display when it is closed.
2 Hard drive activity light On: The hard drive is being accessed.
3Num lock light On: Num lock is on or the embedded
numeric keypad is enabled.
4 Quick Launch
buttons (3)
Enable you to access common functions
with a single keystroke.