Hp NC8230 User Manual

Maintenance and Service

Guide

HP Compaq nx8220 Notebook PC

HP Compaq nw8240 Notebook PC

HP Compaq nc8230 Notebook PC

Document Part Number: 372658-002

October 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 and Pentium 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 nx8220 Notebook PC

HP Compaq nw8240 Notebook PC

HP Compaq nc8230 Notebook PC

Second Edition October 2005

First Edition March 2005

Document Part Number: 372658-002

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. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–20

2 Troubleshooting

2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Accessing Computer Setup . . . . . . . . . . . . . . . . . . . . 2–2 Computer Setup Defaults . . . . . . . . . . . . . . . . . . . . . 2–2 Selecting from the File Menu . . . . . . . . . . . . . . . . . . 2–3 Selecting from the Security Menu . . . . . . . . . . . . . . 2–4 Selecting from the Tools Menu. . . . . . . . . . . . . . . . . 2–5 Selecting from the Advanced Menu . . . . . . . . . . . . . 2–6

2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . 2–7

3 Software Update 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

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Contents

3.2 System Recovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–6

Safeguarding Your Data . . . . . . . . . . . . . . . . . . . . . . 3–7

Using Altiris Local Recovery . . . . . . . . . . . . . . . . . . 3–7

Using System Restore Points . . . . . . . . . . . . . . . . . . 3–8

Reinstalling Applications . . . . . . . . . . . . . . . . . . . . . 3–9

Repairing the Operating System . . . . . . . . . . . . . . . 3–10

Reinstalling the Operating System . . . . . . . . . . . . . 3–12

Reinstalling Device Drivers and Other Software . . 3–14

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). . . . . . . . . . . . . . . . 4–17

4.7 Sequential Part Number Listing . . . . . . . . . . . . . . . 4–19

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

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Contents

6 Removal and Replacement Procedures

6.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2 6.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 6–3 6.3 Preparing the Computer for Disassembly . . . . . . . . . 6–5 6.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6 6.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–10 6.6 MultiBay II Device . . . . . . . . . . . . . . . . . . . . . . . . . 6–11 6.7 External Memory Module. . . . . . . . . . . . . . . . . . . . 6–12 6.8 Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–15 6.9 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–17 6.10 Switch Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–22 6.11 RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–26 6.12 Thermal Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–27 6.13 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–29 6.14 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–32 6.15 TPM Security Module. . . . . . . . . . . . . . . . . . . . . . 6–34 6.16 Internal Memory Module . . . . . . . . . . . . . . . . . . . 6–35 6.17 TouchPad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–37 6.18 Mini PCI Communications Module . . . . . . . . . . . 6–40 6.19 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 6–42 6.20 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–46 6.21 Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–50 6.22 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–52 6.23 System Board Frame. . . . . . . . . . . . . . . . . . . . . . . 6–59 6.24 Push Button Module . . . . . . . . . . . . . . . . . . . . . . . 6–63 6.25 Serial Connector Module . . . . . . . . . . . . . . . . . . . 6–65 6.26 Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–67

Maintenance and Service Guide

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Contents

7 Specifications

AConnector Pin Assignments

BPower Cord Set Requirements

CScrew Listing

DDisplay Component Recycling Index

vi	Maintenance and Service Guide

1

Product Description

The HP Compaq nx8220, nw8240, and nc8230 Notebook PCs offer advanced modularity, Intel® Pentium® M processors, and extensive multimedia support.

HP Compaq nx8220, nw8240, and nc8230 Notebook PCs

Maintenance and Service Guide

1–1

Product Description

1.1Features

■Intel Pentium M 2.13-, 2.00-, 1.86-, 1.73-, or 1.60-GHz processors, varying by computer model

■The following displays are available, varying by computer model:

15.4-inch, UXGA, TFT (1600 × 1200) with over

16.8million colors

15.4-inch, WSXGA, TFT (1680 × 1050) with over

16.8million colors

15.4-inch, WXGA, TFT (1366 × 768) with over

16.8million colors

■80-, 60-, or 40-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 and pointing stick pointing devices, including a dedicated vertical scroll region.

■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 PCI IEEE 802.11a/b and 802.11a/b/g WLAN device

■Support for one Type I or Type II PC Card slot, with support for both 32-bit (CardBus) and 16-bit PC Cards

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Product Description

■External 90-watt AC adapter with 3-wire power cord

■8-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

3 Universal Serial Bus ports and the following components:

■Volume control buttons

■Quick Launch buttons

■Infrared port

■SD Memory Card slot

■Serial port

■S-Video-out port

■Docking connector

A computer model is considered to be defeatured if it has only 2 Universal Serial Bus ports and none of the components listed above.

Maintenance and Service Guide

1–3

Product Description

Support for the following optical drives:

DVD-ROM drive

DVD+RW/R and CD-RW Combo Drive

DVD/CD-RW Combo Drive

Connectors:

Infrared (full-featured models only)

Audio-out (headphone)

Audio-in (microphone)

Universal Serial Bus (USB) v. 2.0 (3 ports on full-featured computer models, 2 ports on defeatured computer models)

Serial port (full-featured models only)

Power

External monitor

RJ-45 (network)

RJ-11 (modem)

S-Video-out (full-featured models only)

IEEE 1394

PC Card

Smart card

SD Memory Card (full-featured models only)

Parallel port (full-featured models only)

Primary battery

Travel battery

Docking connector (full-featured models only)

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 6.3, “Preparing the Computer for Disassembly,” for more information).

2.Remove the real-time clock (RTC) battery (refer to Section 6.11, “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

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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 (selected
		models only) has been turned on.
2	Power light	■ On: The computer is on.
		■ Blinking: The computer is in
		standby mode.

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Product Description

Table 1-1

Front Components (Continued)

Item	Component	Function
3	Battery 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 blinks more quickly.
		■ Off: If the computer is connected to
		external power, the light is turned off
		when all batteries in the computer are
		fully charged. If the computer is not
		connected to external power, the light is
		turned off until the battery reaches a
		low-battery condition.
4	Integrated Drive	On: A drive in the hard drive bay or
	Electronics (IDE)	MultiBay II is being accessed.
	drive light
5	Infrared port	Provides wireless communication between
	(full-featured models	the computer and an optional
	only)	IrDA-compliant device.
6	Display release latch	Opens the computer.

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Product Description

The external components on the left side of the computer are shown below and described in Table 1-2.

Left-Side Components

Table 1-2

Left-Side Components

Item	Component		Function
1	Security cable slot		Attaches an optional security cable to the
			computer.
			Ä Security solutions are designed to
			act as deterrents. These deterrents
			may not prevent a product from being
			mishandled or stolen.
2	RJ-45	(network) jack	Connects a network cable.
3	RJ-11	(modem) jack	Connects the modem cable.

4S-Video-out jack (full-featured models only)

Is a 7-pin, dual-purpose jack.

It connects an optional S-Video device, such as a television, VCR, camcorder, overhead projector, or video capture card with an optional, standard (4-pin) S-Video cable.

The extra 3 pins also enable an optional S-Video-to-composite adapter to be used with the computer.

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Product Description

Table 1-2

Left-Side Components (Continued)

Item	Component	Function
5	Vent	Enables airflow to cool internal
		components.
		Ä To prevent overheating, do not
		obstruct vents. Do not allow a hard
		surface, such as a printer, or a soft
		surface, such as pillows or thick rugs
		or clothing, to block airflow.
6	1394 port (4 pin)	Connects an optional 4-pin 1394 device,
		such as a camcorder.
7	USB port	Connects USB 1.1- and 2.0-compliant
		devices to the computer using a standard
		USB cable, or connects an optional
		External MultiBay or External MultiBay II to
		the computer. The External MultiBay must
		be connected to an external power source.
8	Smart card reader	Accepts smart cards.
9	SD Memory Card slot	Accepts Secure Digital (SD) Memory
		Cards.
10	PC Card slot	Supports optional Type I or Type II
		PC Card.
11	PC Card eject button	Ejects PC Cards from the PC Card slot.

Maintenance and Service Guide

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Product Description

The external components on the right side of the computer are shown below and described in Table 1-3.

Right-Side Components

Table 1-3

Right-Side Components

Item	Component	Function
1	Audio-out	Produces system sound when connected to
	(headphone) jack	optional powered stereo speakers,
		headphones, headset, or television audio.
2	Internal microphone	Records sound.
3	Audio-in	Connects an optional monaural
	(microphone) jack	microphone.
4	USB ports (2)	Connect USB 1.1- and 2.0-compliant
	(full-featured models	devices to the computer using a standard
	only)	USB cable, or connects an optional
		External MultiBay or External MultiBay II to
		the computer. The External MultiBay must
		also be connected to an external power
		source.
5	MultiBay II	Holds an optional MultiBay II device.
6	Serial port	Connects an optional serial device.
	(full-featured models
	only)

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Product Description

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	Primary battery bay	Holds the primary battery pack.
2	Power connector	Connects an AC adapter or an optional
		automobile or aircraft adapter.
3	External monitor port	Connects an optional external VGA
		monitor or projector.

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Product Description

The standard keyboard components of the computer are shown below and described in Table 1-5.

Standard Keyboard Components

1–12	Maintenance and Service Guide

Product Description

Table 1-5

Standard Keyboard Components

Item	Component	Function
1	Function keys	Execute frequently used system functions
	(f3, f4, f8–f11)	when pressed in combination with the fn
		key.
2	caps lock key	Enables caps lock and turns on the caps
		lock light.
3	fn 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.
5	Windows	Displays a shortcut menu for items
	applications key	beneath the pointer.
6	Arrow keys	Moves the cursor around the screen.
7	Keypad keys (15)	Can be used like the keys on an external
		numeric keypad.
8	num lock key	Enables numeric lock, turns on the
		embedded numeric keypad, and turns
		on the num lock light.

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Product Description

The computer top components are shown below and described in Table 1-6.

Top Components, Part 1

Table 1-6

Top Components, Part 1

Item	Component	Function
1	Display lid switch	Initiates standby if the display is closed
		while the computer is turned on.
2	Power button	When the computer is:
		■ Off, press to turn on the computer.
		■ On, briefly press to initiate hibernation.
		■ In standby, briefly press to resume from

standby.

■ In hibernation, briefly press to restore from hibernation.

If the system has stopped responding and Microsoft Windows shutdown procedures cannot be used, press and hold the power button for at least 4 seconds to turn off the computer.

1–14	Maintenance and Service Guide

Product Description

Table 1-6

Top Components, Part 1 (Continued)

Item	Component	Function
3	Info Center button	Enables you to view a list of commonly
		used software solutions.
4	Wireless button	Enables and disables wireless LAN or
		Bluetooth® devices (select models only).
	Wireless light	On: A wireless LAN or Bluetooth device is
		hardware enabled.
5	Presentation mode	Turns on Presentation mode.
	button
6	Caps lock light	On: caps lock is on.
7	Num lock light	On: num lock or the numeric keypad is on.
8	Volume mute button	Turns off computer sound.
	(full-featured models
	only)
9	Volume down button	Decreases system sound.
	(full-featured models
	only)
10	Volume up button	Increases system sound.
	(full-featured models
	only)

Maintenance and Service Guide

1–15

Product Description

The computer top components are continued below and described in Table 1-7.

Top Components, Part 2

1–16	Maintenance and Service Guide

Product Description

Table 1-7

Top Components, Part 2

Item	Component	Function
1	Pointing stick	Moves the pointer and selects or activates
	(select models only)	items on the screen.
2	Speakers	Produce stereo sound.
3	Pointing stick buttons	Function like the buttons on an external
	(select models only)	mouse.
4	TouchPad scroll zone	Scrolls up or down.
5	TouchPad buttons	Function like the buttons on an
		external mouse.
6	TouchPad	Moves the pointer and selects or activates
		items on the screen. Can be set to perform

other mouse functions, such as scrolling, selecting, and double-clicking.

Maintenance and Service Guide

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Product Description

The external components on the bottom of the computer are shown below and described in Table 1-8.

Bottom Components

Table 1-8

Bottom Components

Item	Component	Function
1	Primary battery bay	Holds the primary battery pack.
2	Primary battery locking	Secures the primary battery pack into
	latch	the battery bay. This latch must be set
		to unlock to release the battery.

1–18	Maintenance and Service Guide

Product Description

Table 1-8

Bottom Components (Continued)

Item	Component	Function
3	Travel battery connector	Connects an optional travel battery.
4	Memory module	Contains one memory module slot.
	compartment
5	Hard drive bay	Holds the primary hard drive.
6	Vents (5)	Enable airflow to cool internal
		components.
		To prevent overheating, do not
		obstruct vents. Do not allow a
		hard surface, such as a printer,
		or a soft surface, such as pillows
		or thick rugs or clothing, to block
		airflow.
7	Primary battery release	Releases the primary battery pack from
	latch	the battery bay. The primary battery
		locking latch must be in the unlocked
		position.
8	Docking connector	Connects the computer to an optional
	(full-featured models only)	docking device.

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Product Description

1.5 Design Overview

This section presents a design overview of key parts and features of the computer. Refer to Chapter 4, “Illustrated Parts Catalog,” to identify replacement parts, and Chapter 6, “Removal and Replacement Procedures,” for disassembly steps.

The system board provides the following device connections:

■Audio

■Display

■Hard drive

■Intel Pentium M processors

■Keyboard

■Memory module

■Mini PCI communications devices

■PC Card

■Pointing stick

■TouchPad

■Trusted platform module (TPM) security module

ÄCAUTION: To properly ventilate the computer, allow at least a 7.6--cm (3-inch) clearance on the left and right sides of the computer.

The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to be turned on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software applications. Exhaust air is displaced through the ventilation grill located on the left side of the computer.

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2

Troubleshooting

ÅWARNING: Only authorized technicians trained by HP should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly-/module-level repair. Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board. Improper repairs can create a safety hazard. Any indication of component replacement or printed wiring board modification may void any warranty or exchange allowances.

2.1Computer Setup

Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system is not working or will not load. If the operating system is working, the computer restarts the operating system after you exit Computer Setup.

Pointing devices are not supported in Computer Setup; you must use the keyboard to navigate and make selections.

The menu tables later in this chapter provide an overview of Computer Setup options.

Maintenance and Service Guide

2–1

Troubleshooting

Accessing Computer Setup

The information and settings in Computer Setup are accessed from the File, Security, Tools, and Advanced menus.

1.Open Computer Setup by turning on or restarting the computer. Press f10 while the F10 = Based Setup message is displayed in the lower-left corner of the screen.

To change the language, press f2.

To view navigation information, press f1.

To return to the Computer Setup menu, press esc.

2.Select the File, Security, Tools, or Advanced menu.

3.To exit Computer Setup, choose one of the following:

To exit without saving any changes, use the arrow keys to select File > Ignore changes and exit, and then follow the instructions on the screen.

To exit and save all the settings you have entered, use the arrow keys to select File > Save changes and exit, and then follow the instructions on the screen.

Your preferences are set when you exit Computer Setup and take effect when the computer restarts.

Computer Setup Defaults

To return all settings in Computer Setup to the values that were set at the factory:

1.Open Computer Setup by turning on or restarting the computer. Press f10 while the F10 = Based Setup message is displayed in the lower-left corner of the screen.

To change the language, press f2.

To view navigation information, press f1.

2.Use the arrow keys to select File > Restore defaults.

3.Select the Restore Defaults check box.

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Troubleshooting

4.To confirm the restoration, press f10.

5.Select File > Save changes and exit, and then follow the instructions on the screen.

When the computer restarts, the factory settings are restored, and any identification information you have entered is saved.

Selecting from the File Menu

	Table 2-1
	File Menu
Select	To Do This
System Information	■ View identification information about the
	computer and any battery packs in the system.
	■ View specification information about the
	processor, memory and cache size, video
	revision, keyboard controller version, and
	system ROM.
Save to floppy	Save system configuration settings to a diskette.
Restore from floppy	Restore system configuration settings from a
	diskette.
Restore defaults	Replace configuration settings in Computer Setup
	with factory default settings. (Identification
	information is retained.)
Ignore changes and exit	Cancel changes entered during the current
	session. Then exit and restart the computer.
Save changes and exit	Save changes entered during the current session.
	Then exit and restart the computer. The changes
	you save are in effect when the computer restarts.

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Troubleshooting

Selecting from the Security Menu

	Table 2-2
	Security Menu
Select	To Do This
Administrator password	Enter, change, or delete an HP Administrator
	password.
Power-on password	Enter, change, or delete a power-on password.
Password options	■ Enable/Disable stringent security.
	■ Enable/Disable required password on restart.
DriveLock passwords	Enable/disable DriveLock; change a DriveLock
	user or master password.
	DriveLock Settings are accessible only
	when you enter Computer Setup by turning
	on (not restarting) the computer.
Smart Card security	Enable/disable power-on support for smart cards.
	This feature is supported by select Smart
	Card readers only.
Embedded security	■ Enable/Disable the embedded security chip.
	■ Restore embedded security chip to factory
	settings.
	■ Enable/Disable power-on authentication
	support.
	■ Enable/Disable automatic DriveLock.
	■ Reset power-on authentication credential
	Embedded Security settings are accessible
	only if the computer is equipped with an
	embedded security chip.
Device security	■ Enable/Disable devices in the system.
	■ Enable NIC for inclusion in MultiBoot.
System IDs	Enter user-defined identification values.

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