HP Compaq nx6310 Manual

Maintenance and Service
Guide
HP Compaq nc6300 Notebook PC
HP Compaq nx6300 Notebook PC
Document Part Number: 415793-002
November 2006
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 2006 Hewlett-Packard Development Company, L.P.
Microsoft and Windows are U.S. registered trademarks of Microsoft
Corporation. Intel, Celeron, and Core 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 nc6300 Notebook PC
HP Compaq nx6300 Notebook PC
Second Edition: November 2006
First Edition: June 2006
Document Part Number: 415793-002

Maintenance and Service Guide iii
Contents
1 Product Description
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4
1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2Troubleshooting
2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Using Computer Setup . . . . . . . . . . . . . . . . . . . . . . . 2–1
Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–2
Selecting from the Security Menu . . . . . . . . . . . . . . 2–3
Selecting from the Diagnostics Menu. . . . . . . . . . . . 2–4
Selecting from the System Configuration Menu. . . . 2–5
2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–6

iv Maintenance and Service Guide
Contents
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2
3.3 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–22
3.4 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–23
3.5 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–24
3.6 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–26
3.7 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–29
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 . . . . . . . . . 4–5
4.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 4–6
4.7 Grounding Equipment and Methods . . . . . . . . . . . . . 4–7

Contents
Maintenance and Service Guide v
5 Removal and Replacement Procedures
5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2
5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3
5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–5
5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7
5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.6 Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12
5.7 External Memory Module . . . . . . . . . . . . . . . . . . . . 5–13
5.8 Mini Card WLAN Module . . . . . . . . . . . . . . . . . . . 5–16
5.9 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–20
5.10 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–23
5.11 Fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5.12 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–30
5.13 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–33
5.14 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–35
5.15 Internal Memory Module . . . . . . . . . . . . . . . . . . . 5–36
5.16 Mini Card WWAN Module . . . . . . . . . . . . . . . . . 5–38
5.17 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–40
5.18 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–43
5.19 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–46
5.20 Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–51
5.21 Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–54
5.22 Modem Module. . . . . . . . . . . . . . . . . . . . . . . . . . . 5–56
5.23 USB/Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . 5–59
5.24 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–61
5.25 Serial Connector Module . . . . . . . . . . . . . . . . . . . 5–65

vi Maintenance and Service Guide
Contents
6 Specifications
A ScrewListing
B Software Backup and Recovery
C Display Component Recycling
D Connector Pin Assignments
E Power Cord Set Requirements
Index

Maintenance and Service Guide 1–1
1
Product Description
The HP Compaq nc6300 Notebook PC and HP Compaq nx6300
Notebook PC offer advanced modularity, Intel® Core™ Duo,
Intel Core Solo, and Celeron® M processors, and extensive
multimedia support.
HP Compaq nc6300 Notebook PC and
HP Compaq nx6300 Notebook PC

1–2 Maintenance and Service Guide
Product Description
1.1 Features
✎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
4 Universal Serial Bus ports, an ExpressCard slot, and the
following components:
■Volume control buttons
■Info Center button
■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
2 Universal Serial Bus ports and none of the components in the
preceding list.
■The following processors are available, varying by computer
model:
❏Intel Core Duo T2600 (2.16-GHz), T2500 (2.00-GHz),
T2400 (1.83-GHz), or T2300 (1.67-GHz) processor
❏Intel Core Solo T1300 (1.66-GHz) processor
❏Intel Celeron M 1.73-GHz, 1.60-GHz, or 1.46-GHz
processor
■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 or 14.1-inch, XGA, TFT (1280 × 800) with
over 16.8 million colors
■100-, 80-, 60-, and 40-GB high-capacity hard drive, varying
by computer model

Product Description
Maintenance and Service Guide 1–3
■256-MB DDR2 synchronous DRAM (SDRAM) at 400 MHz
and 533 MHz, expandable to 2.0 GB
■Microsoft® Windows® XP Professional
■Full-size Windows keyboard with embedded numeric keypad
■Pointing stick (select computer models only) and TouchPad
pointing devices
■Integrated 10 Base-T/100 Base-TX Ethernet local area
network (LAN) network interface card (NIC) with RJ-45 jack
■Integrated high-speed 56K modem with RJ-11 jack
■Integrated wireless support for Mini PCI IEEE 802.11a/b/g
or 802.11b/g Wireless LAN (WLAN) device
■Integrated wireless support for Mini Card broadband wireless
wide area network (WWAN) device
■Support for one optional Type I, Type II, or Type III 32-bit
(CardBus) or 16-bit PC Card, varying by computer model
■External 65-watt AC adapter with 3-wire power cord, varying
by computer model
■6-cell Li-Ion battery
■Stereo speakers
■Volume up, volume mute, and volume down buttons
■Support for the following optical drives:
❏CD-ROM drive
❏DVD-ROM drive
❏DVD±RW and CD-RW Combo Drive
❏DVD/CD-RW Combo Drive
■Connectors:
❏Audio-out (headphone)
❏Audio-in (microphone)
❏Universal Serial Bus (USB) v. 2.0 (two to four, varying
by computer model)
❏Power

1–4 Maintenance and Service Guide
Product Description
❏External monitor
❏RJ-11 (modem)
❏RJ-45 (network)
❏IEEE 1394
❏Accessory battery
❏Digital Media Slot (select computer models only)
❏S-Video-out (select computer models only)
❏Docking connector (select computer models only)
1.2 Resetting the Computer
If the computer you are servicing has an unknown password,
follow the steps below to reset the password. These steps also
clear CMOS.
✎The following steps will not clear an unknown password if the
stringent security option has been enabled in the BIOS. If
stringent security is enabled, the system board must be replaced
to reset an unknown password. Refer to Section 5.24, “System
Board,” for more information on replacing the system board.
Before replacing the system board, perform the steps below to
make sure stringent security has been properly enabled.
Enabling stringent security provides enhanced protection for the
power-on password and administrator password and other forms
of power-on authorization. Stringent security is enabled/disabled
by accessing the Password Options menu in the Computer Setup
utility. Refer to Section 2.1, “Computer Setup,” for more
information.

Product Description
Maintenance and Service Guide 1–5
1. Prepare the computer for disassembly (refer to Section 5.3,
“Preparing the Computer for Disassembly,” for more
information).Remove the real-time clock (RTC) battery (refer
to Section 5.14, “RTC Battery,” for more information on
removing and replacing the RTC battery).
2. Wait approximately 5 minutes.
3. Replace the RTC battery and reassemble the computer.
4. Connect AC power to the computer. Do not reinsert any
batteries at this time.
5. 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
1 Wireless light On: An integrated wireless device has been
enabled.
2Powerlight ■Green: The computer is on.
■Blinking: The computer is in standby.
■Blinking rapidly: An AC adapter with a
higher power rating should be
connected.
■Off: The computer is off or in hibernation.

Product Description
Maintenance and Service Guide 1–7
3 Battery light ■Amber: A battery is charging.
■Green: A battery is close to full charge
capacity.
■Blinking amber: A battery 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.
4 Drive light Blinking: The hard drive or optical drive is
being accessed.
5 Stereo speakers (2) Produce system sound.
6 Display release latch Opens the computer.
7 Digital Media Slot
(select computer
models only)
Supports 7 optional digital memory card
formats: SD (Secure Digital) Memory Card,
MultiMediaCard, Memory Stick, Memory
Stick Pro, Memory Stick Duo (with adapter),
SmartMedia cards, and xD-Picture Card.
8 Digital Media Slot light
(select computer
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
1 USB ports (2; select
computer 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.
2 1394 port Connects an optional 1394a device such
as a scanner, digital camera, or digital
camcorder.
3 RJ-11 (modem) jack Connects the modem cable.
4 Optical drive Supports an optical disc. The type of optical
drive varies by model.
5 Serial port
(select computer
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

Product Description
Maintenance and Service Guide 1–11
Table 1-3
Left-Side Components
Item Component Function
1 RJ-45 (network) jack Connects an optional network cable.
2 External monitor port Connects an optional VGA external monitor
or projector.
3 Exhaust vent Provides airflow to cool internal
components.
ÄTo prevent overheating, do not
obstruct 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 thick rugs
or clothing, to block airflow.
4 USB 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.
5Audio-out
(headphone) jack
Connect optional headphones or powered
stereo speakers. Also connects the audio
function of an audio/video device such as
a television or VCR.
6Audio-in
(microphone) jack
Connects an optional monaural
microphone.
7 PC Card slot Supports optional Type I, Type II, or Type III
32-bit (CardBus) or 16-bit PC Cards. Some
computer models may be shipped with a
smart card reader instead.
8 ExpressCard slot
(select computer
models only)
Supports optional ExpressCard/54 or
ExpressCard/34 cards.

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
1 Security cable slot Attaches an optional security cable to the
computer.
ÄThe security cable is designed to act
as a deterrent, but may not prevent
the computer from being mishandled
or stolen.
2 Battery bay Holds a battery.
3 Power connector Connects an AC adapter or an optional
power adapter.
4 Parallel port
(select computer
models only)
Connects an optional parallel device, such
as an external diskette drive or a printer.
5S-Video-outjack
(select computer
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