HP Compaq Presario Manual

Maintenance and Service
Guide
HP G3000 Notebook PC
Compaq Presario C300 Notebook PC
Document Part Number: 435182-001
September 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.
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.
HP G3000 Notebook PC and
Compaq Presario C300 Notebook PC
Maintenance and Service Guide
First Edition: September 2006
Document Part Number: 435182-001

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. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–20
2Troubleshooting
2.1 Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2.2 Using the Setup Utility . . . . . . . . . . . . . . . . . . . . . . . 2–2
2.3 Setup Utility Menus . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
2.4 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–9

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 Display Assembly Subcomponents. . . . . . . . . . . . . 3–14
3.4 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–16
3.5 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–17
3.6 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–18
3.7 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–20
3.8 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–22
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–10
5.6 Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11
5.7 Mini Card Module. . . . . . . . . . . . . . . . . . . . . . . . . . 5–14
5.8 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–17
5.9 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–18
5.10 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–21
5.11 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–23
5.12 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5–26
5.13 Base Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–40
5.14 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–45
5.15 Display Release Button Assembly . . . . . . . . . . . . 5–53
5.16 LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–57
5.17 Fan/Heat Sink Assembly. . . . . . . . . . . . . . . . . . . . 5–59
5.18 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–65

vi Maintenance and Service Guide
Contents
6 Specifications
A ScrewListing
B 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 G3000 Notebook PC and Compaq Presario C300
Notebook PC offer advanced modularity, Intel® Celeron® and
Core™ Duo processors, and extensive multimedia support.
HP G3000 Notebook PC and
Compaq Presario C300 Notebook PC

1–2 Maintenance and Service Guide
Product Description
1.1 Features
■The following processors, varying by computer model:
❏Intel Core Duo T2250 (1.73-GHz), T2300 (1.60-GHz),
or T2050 (1.60-GHz)
❏Intel Celeron 430 (1.73-GHz) or Intel Celeron 420
(1.60-GHz)
■15.4-inch, WXGA, TFT (1280 × 800) display with antiglare
or BrightView, varying by computer model
■120-, 100-, 80-, or 60-GB high-capacity hard drive, varying
by computer model
■256-MB DDR1 synchronous DRAM (SDRAM) at 667 MHz
and 533 MHz, expandable to 2.0 GB
■Windows® XP Home Edition or Windows XP Professional,
varying by computer model
■Full-size Windows keyboard with embedded numeric keypad
■TouchPad pointing device, including dedicated horizontal
and vertical scroll regions
■Integrated 10Base-T/100Base-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 Card IEEE 802.11a/b/g
WLAN device

Product Description
Maintenance and Service Guide 1–3
■External 65-watt AC adapter with 3-wire power cord
■6-cell Li-Ion battery
■Stereo speakers
■Volume up, volume mute, and volume down buttons
■Support for the following optical drives:
❏DVD±RW and CD-RW Super Multi Double-Layer
Combo Drive
❏DVD/CD-RW Combo Drive
■Connectors:
❏Audio-in (microphone)
❏Audio-out (headphone)
❏External monitor
❏Power
❏RJ-11 (modem)
❏RJ-45 (network)
❏S-Video-out
❏Universal Serial Bus (USB) v. 2.0 (2 ports)

1–4 Maintenance and Service Guide
Product Description
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 5.3,
“Preparing the Computer for Disassembly,” for more
information.)
2. Remove the real-time clock (RTC) battery (refer to Section
5.8, “RTC Battery,” for more information.)
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
batteries at this time.
6. Turn on the computer.
All passwords and CMOS settings have been cleared.

Product Description
Maintenance and Service Guide 1–5
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

Product Description
Maintenance and Service Guide 1–7
Table 1-1
Front Components
Item Component Function
1Powerlight ■On: The computer is turned on.
■Blinking: The computer is in standby.
■Off: The computer is off or in hibernation.
2Batterylight ■On: A battery is charging.
■Blinking: 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 quickly.
■Off: If the computer is plugged into an
external power source, the light is turned
off when all batteries in the computer are
fully charged. If the computer is not
plugged into an external power source,
the light stays off until the battery
reaches a low-battery condition.
3 Drive light Blinks when the hard drive or optical drive is
being accessed.
4 Speakers Produce sound.
5 Display release button Opens the computer.

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
Produces sound when connected to
optional powered stereo speakers,
headphones, ear buds, a headset, or
television audio.
2 Audio-in (microphone)
jack
Connects an optional computer headset
microphone, stereo array microphone, or
monaural microphone.
3 Optical drive Reads an optical disc.
4 RJ-11 (modem) jack Connects a modem cable.
5 Power connector Connects an AC adapter cable.

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
1 Security cable slot Attaches an optional security cable to
the computer.
✎The security cable is designed to act
as a deterrent, but it may not prevent
the computer from being mishandled
or stolen.
2 External monitor port Connects an external VGA monitor
or projector.
3 S-Video-out jack Connects an optional S-Video device such
as a television, VCR, camcorder, overhead
projector, or video capture card.
4 RJ-45 (network) jack Connects a network cable.
5 USB ports (2) Connect optional USB devices.

Product Description
Maintenance and Service Guide 1–11
The external components on the rear panel of the computer are
shown below and described in Table 1-4.
Rear Panel Components
Table 1-4
Rear Panel Components
Item Component Function
1 Battery bay Holds the battery.
2 Vent Enable 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.
✎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.

1–12 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

Product Description
Maintenance and Service Guide 1–13
Table 1-5
Standard Keyboard Components
Item Component Function
1 Function keys (12) Execute frequently used system functions
when pressed in combination with the
fn key.
2caps lock key Enables caps lock and turns on the
caps lock light.
3fn key Executes frequently used system
functions when pressed in combination
with a function key or the esc key.
4 Windows logo key Displays the Windows Start menu.
5Windows
applications key
Displays a shortcut menu for items
beneath the pointer.
6 Arrow keys Move the cursor around the screen.
7 Numeric keypad keys
(15)
Can be used like the keys on an external
numeric keypad.
8num lock key Enables numeric lock, turns on the
embedded numeric keypad, and turns
on the num lock light.

1–14 Maintenance and Service Guide
Product Description
The computer top components are shown below and described in
Table 1-6.
Top Components