HP Compaq NC6110 Manual

Maintenance and Service
Guide
HP Compaq nx6110/nc6110 and
nx6120/nc6120 Notebook PCs
Document Part Number: 373146-002
September 2005
This guide is a troubleshooting reference used for maintaining
and servicing the computer. It provides comprehensive
information on identifying computer features, components, and
spare parts; troubleshooting computer problems; and performing
computer disassembly procedures.

© Copyright 2005 Hewlett-Packard Development Company, L.P.
Microsoft and Windows are U.S. registered trademarks of Microsoft
Corporation. Intel, Pentium, and Celeron are trademarks or registered
trademarks of Intel Corporation or its subsidiaries in the United States and
other countries. Bluetooth is a trademark owned by its proprietor and used
by Hewlett-Packard Company under license. 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.
Maintenance and Service Guide
HP Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs
Second Edition September 2005
First Edition February 2005
Document Part Number: 373146-002

Maintenance and Service Guide iii
Contents
1 Product Description
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–5
1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2 Troubleshooting
2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . 2–1
Selecting from the Main Menu . . . . . . . . . . . . . . . . . 2–2
Selecting from the Security Menu . . . . . . . . . . . . . . 2–3
Selecting from the Advanced Menu . . . . . . . . . . . . . 2–4
Selecting from the Tools Menu. . . . . . . . . . . . . . . . . 2–4
2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–5
3 Software Updates and Recovery
3.1 Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
Accessing Computer Information . . . . . . . . . . . . . . . 3–2
Obtaining the Support Software CD . . . . . . . . . . . . . 3–3
Software Updates and the HP Web Site . . . . . . . . . . 3–3

iv Maintenance and Service Guide
Contents
3.2 System Recovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–8
Safeguarding Your Data . . . . . . . . . . . . . . . . . . . . . . 3–8
Altiris Local Recovery . . . . . . . . . . . . . . . . . . . . . . . 3–8
Using System Restore Points . . . . . . . . . . . . . . . . . . 3–9
Reinstalling Applications . . . . . . . . . . . . . . . . . . . . 3–11
Repairing the Operating System . . . . . . . . . . . . . . . 3–12
Reinstalling the Operating System . . . . . . . . . . . . . 3–14
Reinstalling Device Drivers and Other Software . . 3–16
4 Illustrated Parts Catalog
4.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 4–1
4.2 Computer Major Components. . . . . . . . . . . . . . . . . . 4–2
4.3 Miscellaneous Plastics Kit . . . . . . . . . . . . . . . . . . . 4–14
4.4 Miscellaneous Cable Kit . . . . . . . . . . . . . . . . . . . . . 4–15
4.5 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 4–16
4.6 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 4–18
4.7 Sequential Part Number Listing . . . . . . . . . . . . . . . 4–21
5 Removal and Replacement Preliminaries
5.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1
5.2 Service Considerations . . . . . . . . . . . . . . . . . . . . . . . 5–2
Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 5–2
5.3 Preventing Damage to Removable Drives . . . . . . . . 5–3
5.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . 5–4
5.5 Packaging and Transporting Precautions . . . . . . . . . 5–5
5.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 5–6
5.7 Grounding Equipment and Methods . . . . . . . . . . . . . 5–7
6 Removal and Replacement Procedures
6.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1
6.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 6–2
6.3 Preparing the Computer for Disassembly . . . . . . . . . 6–4

Contents
Maintenance and Service Guide v
6.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6
6.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–9
6.6 Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–10
6.7 External Memory Module . . . . . . . . . . . . . . . . . . . . 6–12
6.8 Mini PCI Communications Module . . . . . . . . . . . . 6–14
6.9 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–16
6.10 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–18
6.11 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–24
6.12 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–26
6.13 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–28
6.14 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–29
6.15 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–30
6.16 Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–32
6.17 Internal Memory Module . . . . . . . . . . . . . . . . . . . 6–34
6.18 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–35
6.19 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 6–36
6.20 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–39
6.21 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–43
6.22 Digital Media Board . . . . . . . . . . . . . . . . . . . . . . . 6–46
6.23 USB/Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . 6–48
6.24 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–50
6.25 Serial Connector Module . . . . . . . . . . . . . . . . . . . 6–55
7 Specifications

vi Maintenance and Service Guide
Contents
A Connector Pin Assignments
B Power Cord Set Requirements
C Screw Listing
D Display Component Recycling
Index

Maintenance and Service Guide 1–1
1
Product Description
The HP Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs offer advanced modularity, Intel® Pentium® M
and Celeron® M processors, and extensive multimedia support.
HP Compaq nx6110/nc6110 and nx6120/nc6120
Notebook PCs

1–2 Maintenance and Service Guide
Product Description
1.1 Features
■The following processors are available, varying by
computer model:
❏Intel Pentium M 2.13-, 2.00-, 1.86-, 1.73-, 1.60-, or
1.30-GHz processor,
❏Intel Celeron M 1.5- or 1.4-GHz
■The following displays are available, varying by
computer model:
❏15.0-inch, SXGA+WVA, TFT (1400 × 1050) with over
16.8 million colors
❏15.0-inch, XGA, TFT (1280 × 800) with over 16.8 million
colors
❏14.1-inch, XGA, TFT (1280 × 800) with over 16.8 million
colors
■80-, 60-, 40-, or 30-GB high-capacity hard drive, varying by
computer model
■256-MB DDR2 synchronous DRAM (SDRAM) at 400 and
533 MHz, expandable to 2.0 GB
■Microsoft® Windows® XP Home Edition or Windows XP
Professional, varying by computer model
■Full-size Windows keyboard with embedded numeric keypad
■TouchPad pointing device, including a dedicated vertical
scroll region and a button that enables/disables TouchPad
operation.
■TouchPad and pointing stick pointing devices (select
models only)
■Integrated 10 Base-T/100 Base-TX Ethernet local area
network (LAN) network interface card (NIC) with RJ-45 jack

Product Description
Maintenance and Service Guide 1–3
■Integrated high-speed 56K modem with RJ-11 jack
■Integrated wireless support for Mini PCI IEEE 802.11b or
802.11b/g WLAN device
■Support for 1 or 2 Type II PC Card slots, with support
for both 32-bit (CardBus) and 16-bit PC Cards, varying by
computer model
■External 65-watt AC adapter with 3-wire power cord, varying
by computer model
■6-cell Li-Ion battery pack
■Stereo speakers
■Volume up, volume mute, and volume down buttons
(full-featured models only)
✎Numerous references are made throughout this Maintenance
and Service Guide to “full-featured” and “defeatured” units. A
computer model is considered to be full-featured if it has
4Universal Serial Bus ports, 2 PC Card slots, and the following
components:
■Volume control buttons
■Info Center button
■Infrared port
■6-in-1 Digital Media Slot
■Serial port
■Parallel port
■S-Video-out jack
■Docking connector
A computer model is considered to be defeatured if it has only
2Universal Serial Bus ports, 1 PC Card slot, and none of the
components in the preceding list.

1–4 Maintenance and Service Guide
Product Description
■Support for the following optical drives:
❏DVD±RW and CD-RW Combo Drive
❏DVD/CD-RW Combo Drive
❏DVD-ROM drive
❏CD-ROM drive
■Connectors:
❏Audio-out (headphone)
❏Audio-in (microphone)
❏Universal Serial Bus (USB) v. 2.0 (4 ports on full-featured
computer models, 2 ports on defeatured computer models)
❏Power
❏External monitor
❏RJ-11 (modem)
❏RJ-45 (network)
❏IEEE 1394
❏Travel battery
❏Infrared (full-featured models only)
❏Digital Media Slot (full-featured models only)
❏Parallel port (full-featured models only)
❏S-Video-out (full-featured models only)
❏Docking connector (full-featured models only)

Product Description
Maintenance and Service Guide 1–5
1.2 Resetting the Computer
If the computer you are servicing has an unknown password,
follow these steps to clear the password. These steps also
clear CMOS:
1. Prepare the computer for disassembly (refer to Section 6.3,
“Preparing the Computer for Disassembly,” for more
information).
2. Remove the real-time clock (RTC) battery (refer to
Section 6.18, “RTC Battery,” for more information on
removing and replacing the RTC battery).
3. Wait approximately 5 minutes.
4. Replace the RTC battery and reassemble the computer.
5. Connect AC power to the computer. Do not reinsert any
battery packs at this time.
6. Turn on the computer.
All passwords and all CMOS settings have been cleared.
1.3 Power Management
The computer comes with power management features that
extend battery operating time and conserve power. The
computer supports the following power management features:
■Standby
■Hibernation
■Setting customization by the user
■Hotkeys for setting the level of performance
■Battery calibration
■Lid switch standby/resume
■Power button
■Advanced Configuration and Power Management (ACPM)
compliance

1–6 Maintenance and Service Guide
Product Description
1.4 External Components
The external components on the front of the computer are shown
below and described in Table 1-1.
Front Components
Table 1-1
Front Components
Item Component Function
1Infrared port
(full-featured models
only)
Provides wireless communication between
the computer and an optional IrDA-compliant
device.
2Stereo speakers (2) Produce stereo sound.
3Display release latch Opens the computer.
4Wireless light On: an integrated wireless device has been
enabled.

Product Description
Maintenance and Service Guide 1–7
5Power light ■Green: The computer is on.
■Blinking green: The computer is in
standby.
■Off: The computer is off or in hibernation.
6Battery light ■Amber: A battery pack is charging.
■Green: A battery pack is close to full
charge capacity.
■Blinking amber: 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.
■Off: If the computer is connected to an
external power source, the light is turned
off when all batteries in the computer are
fully charged. If the computer is not
connected to an external power source,
the light is turned off until the battery
reaches a low-battery condition.
7Integrated Drive
Electronics (IDE) drive
light
Blinking: The hard drive or optical drive is
being accessed.
86-in-1 Digital Media
Slot (full-featured
models only)
Supports 6 optional digital memory card
formats: SD (Secure Digital) Memory Card,
MultiMediaCard, Memory Stick, Memory
Stick Pro, SmartMedia, and xD-Picture Card.
96-in-1 Digital Media
Slot light (full-featured
models only)
On: A digital memory card is being
accessed.
Table 1-1
Front Components
(Continued)
Item Component Function

1–8 Maintenance and Service Guide
Product Description
The external components on the right side of the computer are
shown below and described in Table 1-2.
Right-Side Components

Product Description
Maintenance and Service Guide 1–9
Table 1-2
Right-Side Components
Item Component Function
1Audio-out
(headphone) jack
Connect optional headphones or powered
stereo speakers. Also connects the audio
function of an audio/video device such as
atelevision or VCR.
2Audio-in
(microphone) jack
Connects an optional monaural microphone.
3USB ports (2)
(full-featured
models only)
Connect USB 1.1- and 2.0-compliant
devices to the computer using a standard
USB cable, or connect an optional External
MultiBay II to the computer. The MultiBay II
must also be connected to an external power
source.
4Optical drive Supports an optical disc. The type of optical
drive varies by model.
5Serial port (full-featured
models only)
Connects an optional serial device.

1–10 Maintenance and Service Guide
Product Description
The external components on the left side of the computer are
shown below and described in Table 1-3.
Left-Side Components
Table 1-3
Left-Side Components
Item Component Function
1USB ports (2) Connect USB 1.1- and 2.0-compliant
devices to the computer using a standard
USB cable, or connect an optional External
MultiBay II to the computer. The MultiBay II
must also be connected to an external
power source.
2External monitor port Connects an optional VGA external monitor
or projector.

Product Description
Maintenance and Service Guide 1–11
3Exhaust vent Provides airflow to cool internal
components.
ÄTo prevent overheating, do not obstruct vents. Do not allow a
hard surface, such as a printer, or a soft surface, such as
pillows, thick rugs, or clothing, to block airflow.
4RJ-11 (modem) jack Connects the modem cable.
5RJ-45 (network) jack Connects an optional network cable.
61394 port Connects an optional 1394a device such
as a scanner, digital camera, or digital
camcorder.
7PC Card slots (2 slots
on full-featured
models, 1 slot on
defeatured models)
Support an optional Type I, Type II, or
Typ e III 32-bit (CardBus) or 16-bit PC Card.
8PC Card eject buttons
(2 buttons on
full-featured models,
1button on defeatured
models)
Eject an optional PC Card from the
PC Card slot.
Table 1-3
Left-Side Components
(Continued)
Item Component Function

1–12 Maintenance and Service Guide
Product Description
The external components on the rear panel of the computer are
shown below and described in Table 1-4.
Rear Panel Components

Product Description
Maintenance and Service Guide 1–13
Table 1-4
Rear Panel Components
Item Component Function
1Security cable slot Attaches an optional security cable to the
computer.
ÄSecurity solutions are designed to act as deterrents. These
deterrents may not prevent a product from being mishandled or
stolen.
2Battery bay Holds a battery pack.
3Power connector Connects an AC adapter or an optional
automobile or aircraft adapter.
4Parallel port
(full-featured
models only)
Connects an optional parallel device, such
as an external diskette drive or a printer.
5S-Video-out jack
(full-featured
models only)
Connects an optional S-Video device,
such as a television, VCR, camcorder,
projector, or video capture card.

1–14 Maintenance and Service Guide
Product Description
The standard keyboard components of the computer are shown
below and described in Table 1-5.
Standard Keyboard Components