HP Compaq Presario CQ42-203AU, Compaq Presario CQ42-205AU, Compaq Presario CQ42-210AU, Compaq Presario CQ42-218AX, Compaq Presario CQ42-219AX Service Guide

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Compaq Presario CQ42 Notebook

PC and HP G42 Notebook PC

Maintenance and Service Guide

SUMMARY

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 2010 Hewlett-Packard

Development Company, L.P.

Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Arrandale are trademarks of Intel Corporation in the United States and other countries. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. 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.

First Edition: April 2010

Document Part Number: 594158-002

MSG revision history

Revision

Publication date

Description

 

 

 

A

April 2010

Edited this guide to include HP G42 Notebook PC and Compaq CQ42

 

 

Notebook PC information only.

 

 

 

B

October 2010

Added newly supported memory modules to spare parts listings in

 

 

the following locations: Computer major components on page 26,

 

 

Mass storage devices on page 36, Sequential part number listing

 

 

on page 39, Memory module on page 60.

 

 

Added newly supported processors to spare parts listings in the

 

 

following locations: Computer major components on page 26,

 

 

Mass storage devices on page 36, Sequential part number listing

 

 

on page 39, Processor on page 91.

 

 

Added newly supported system boards to spare parts listings in the

 

 

following locations: Computer major components on page 26,

 

 

Mass storage devices on page 36, Sequential part number listing

 

 

on page 39, System board on page 81.

 

 

 

C

December 2010

Added newly supported processors to spare parts listings in the

 

 

following locations: Computer major components on page 26,

 

 

Mass storage devices on page 36, Sequential part number listing

 

 

on page 39, Processor on page 91.

 

 

Added newly supported system boards to spare parts listings in the

 

 

following locations: Computer major components on page 26,

 

 

Mass storage devices on page 36, Sequential part number listing

 

 

on page 39, System board on page 81

 

 

Added newly supported power cord to spare parts listings in the

 

 

following locations: Miscellaneous Parts, Sequential part number

 

 

listing on page 39, Memory module on page 60.

 

 

Removed Bluetooth™ references. Bluetooth is not supported.

 

 

 

ENWW

iii

iv MSG revision history

ENWW

Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air 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 rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

ENWW

v

vi Safety warning notice

ENWW

Table of contents

1 Product description ........................................................................................................................................

1

2

External component identification ..............................................................................................................

13

 

Identifying the hardware .....................................................................................................................

13

 

Top components .................................................................................................................................

14

 

TouchPad ..........................................................................................................................

14

 

Lights .................................................................................................................................

15

 

Button and speakers ..........................................................................................................

16

 

Keys ...................................................................................................................................

17

 

Display ...............................................................................................................................

18

 

Right-side components .......................................................................................................................

19

 

Left-side components .........................................................................................................................

20

 

Bottom components ...........................................................................................................................

21

 

Wireless antennas ..............................................................................................................................

22

 

Additional hardware components .......................................................................................................

23

3

Illustrated parts catalog ...............................................................................................................................

25

 

Serial number location ........................................................................................................................

25

 

Computer major components .............................................................................................................

26

 

Display assembly components ...........................................................................................................

33

 

Plastics Kit ..........................................................................................................................................

35

 

Mass storage devices .........................................................................................................................

36

 

Miscellaneous parts ............................................................................................................................

38

 

Sequential part number listing ............................................................................................................

39

4 Removal and replacement procedures .......................................................................................................

45

 

Preliminary replacement requirements ...............................................................................................

45

 

Tools required ....................................................................................................................

45

 

Service considerations .......................................................................................................

45

 

Plastic parts .......................................................................................................

45

 

Cables and connectors .....................................................................................

46

 

Drive handling ...................................................................................................

46

 

Grounding guidelines .........................................................................................................

47

ENWW

vii

Electrostatic discharge damage ........................................................................

47

Packaging and transporting guidelines .............................................

48

Workstation guidelines .....................................................................

48

Equipment guidelines .......................................................................

49

Component replacement procedures .................................................................................................

50

Serial number ....................................................................................................................

50

Computer feet ....................................................................................................................

51

Battery ...............................................................................................................................

52

Hard drive ..........................................................................................................................

53

Optical drive .......................................................................................................................

56

WLAN module ....................................................................................................................

58

Memory module .................................................................................................................

60

Keyboard ...........................................................................................................................

62

Top cover ...........................................................................................................................

64

Speaker assembly .............................................................................................................

67

Power button board ...........................................................................................................

68

TouchPad button board .....................................................................................................

69

Modem module ..................................................................................................................

70

USB board .........................................................................................................................

72

Power connector cable ......................................................................................................

73

Display assembly ...............................................................................................................

74

System board .....................................................................................................................

81

Optical drive SATA cable and connector ...........................................................................

84

RTC battery .......................................................................................................................

86

Fan/heat sink assembly .....................................................................................................

88

Processor ...........................................................................................................................

91

5 Setup Utility ...................................................................................................................................................

95

Computer Setup in Windows 7 ...........................................................................................................

95

Starting Setup Utility ..........................................................................................................

95

Using Setup Utility .............................................................................................................

95

Changing the language of Setup Utility .............................................................

95

Navigating and selecting in Setup Utility ...........................................................

96

Displaying system information ..........................................................................

96

Restoring default settings in Setup Utility ..........................................................

97

Exiting Setup Utility ...........................................................................................

98

Setup Utility menus ............................................................................................................

98

Main menu ........................................................................................................

98

Security menu ...................................................................................................

98

System Configuration menu ..............................................................................

99

Diagnostics menu ..............................................................................................

99

Computer Setup in Linux ..................................................................................................................

100

Starting Computer Setup .................................................................................................

100

viii

ENWW

Using Computer Setup ....................................................................................................

100

Navigating and selecting in Computer Setup ..................................................

100

Restoring factory settings in Computer Setup .................................................

101

Computer Setup menus ...................................................................................................

102

File menu ........................................................................................................

102

Security menu .................................................................................................

103

Diagnostics menu ............................................................................................

103

System Configuration menu ............................................................................

104

6 Specifications ..............................................................................................................................................

107

Computer specifications ...................................................................................................................

107

35.6-cm (14.0-in) display specifications ...........................................................................................

108

Hard drive specifications ..................................................................................................................

109

DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications .......................................

110

Blu-ray ROM with LightScribe DVD±R/RW SuperMulti DL Drive specifications ..............................

111

System resource specifications ........................................................................................................

112

7 Backup and recovery ..................................................................................................................................

113

Windows 7 ........................................................................................................................................

113

Creating recovery discs ...................................................................................................

114

Backing up your information ............................................................................................

115

Using Windows Backup and Restore ..............................................................

116

Using system restore points ............................................................................

117

When to create restore points ........................................................

117

Create a system restore point ........................................................

117

Restore to a previous date and time ...............................................

117

Performing a recovery .....................................................................................................

117

Recovering from the recovery discs ................................................................

118

Recovering from the dedicated recovery partition (select models only) ..........

118

Linux backup and recovery ..............................................................................................................

119

8 Connector pin assignments .......................................................................................................................

121

Audio-out (headphone) .....................................................................................................................

121

Audio-in (microphone) ......................................................................................................................

121

External monitor ...............................................................................................................................

122

RJ-11 (modem) ................................................................................................................................

123

RJ-45 (network) ................................................................................................................................

123

HDMI ................................................................................................................................................

124

Universal Serial Bus .........................................................................................................................

125

9 Power cord set requirements ....................................................................................................................

127

Requirements for all countries or regions .........................................................................................

127

Requirements for specific countries or regions ................................................................................

128

ENWW

ix

10 Recycling ...................................................................................................................................................

129

Battery ..............................................................................................................................................

129

Display ..............................................................................................................................................

129

Index .................................................................................................................................................................

135

x

ENWW

1 Product description

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

Product

Compaq Presario

 

 

Name

CQ42 Notebook PC

 

 

 

 

 

 

 

 

 

 

 

 

 

HP G42 Notebook

 

 

 

 

PC

 

 

 

 

 

 

 

 

 

 

 

 

Processors

Intel® Arrandale™

 

 

 

 

 

 

 

 

 

 

 

 

 

i7-620M, 2.66-GHz,

 

 

SC turbo, 4-MB L3

 

 

 

 

 

 

cache

 

 

 

 

 

 

 

 

 

 

 

 

 

i5-540M, 2.53-GHz,

 

 

SC turbo, 3-MB L3

 

 

 

 

 

 

cache

 

 

 

 

 

 

 

 

 

 

 

 

 

i5-520M, 2.4-GHz, SC

 

 

turbo, 3-MB L3 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

i5-430M 2.26-GHz

 

 

(turbo to 2.53GHz)

 

 

 

 

 

 

3-MB L3 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

i3-350M, 2.26-GHz 3-

 

 

MB L3 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

i3-330M, 2.13-GHz 3-

 

 

MB L3 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Pentium™

 

 

 

 

 

 

 

 

 

 

 

 

 

DC T4400, 2.2-GHz,

 

 

 

 

 

800-MHz FSB, 1-MB

 

 

 

 

 

 

L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

DC T4300, 2.1-GHz,

 

 

 

 

 

800-MHz FSB, 1-MB

 

 

 

 

 

 

L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Celeron™

 

 

 

 

 

 

 

 

 

 

 

 

 

DC T3100, 1.9-GHz,

 

 

 

 

 

800-MHz FSB, 1-MB

 

 

 

 

 

 

L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

ENWW

1

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

DC T3000, 1.8-GHz

 

 

 

 

 

800-MHz FSB, 1-MB

 

 

 

 

 

 

L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

AMD® Phenom™ II

 

 

 

 

 

 

Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

N620 DDR3-1333 (2

 

 

MB 2.8 GHz L2

 

 

 

 

 

 

cache) 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC N640 DC (2.9

 

 

GHz 35W)

 

 

 

 

 

 

 

 

 

 

 

 

 

N660 3.0 GHz 2M

 

 

 

 

 

 

 

 

 

DC N830 Tri-core 2.1

 

 

GHz 1.5M L2 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC N850 2.2 GHz L2

 

 

cache

 

 

 

 

 

 

 

 

 

 

 

 

 

N870 2.3 GHz 1.5 MB

 

 

 

 

 

 

 

 

 

DC N930 QC 2.0 GHz

 

 

 

 

 

 

 

 

 

N970 2.2 GHz 2 MB

 

 

 

 

 

 

 

 

 

P650 2.6 GHz 2MB

 

 

35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P820 Tri-Core 1.8

 

 

GHz 1.5 MB L2 cache

 

 

 

 

 

 

25W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P840 1.9 GHz L2

 

 

cache

 

 

 

 

 

 

 

 

 

 

 

 

 

P860 2 GHz 1.5 MB

 

 

25W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC QC P920 1.6 GHz

 

 

2M L2 cache 25W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P940 DC QC 1.7

 

 

GHz L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P950 QC 2.1 GHz

 

 

L2 cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

P960 1.8 GHz 2 MB

 

 

25W

 

 

 

 

 

 

 

 

 

 

 

 

 

AMD Turion™ II

 

 

 

 

 

 

Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

N570 2.7 GHz 2M

 

 

35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P540 DC 2.4 GHz

 

 

L2 cache 25W

 

 

 

 

 

 

 

 

 

 

 

 

2 Chapter 1 Product description

ENWW

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

DC N550 DC 2.6 GHz

 

 

L2 cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC N530 DC 2.5GHz

 

 

L2 cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

P560 2.5Ghz 2M 35W

 

 

 

 

 

 

 

 

 

P520 DDR3-1066

 

 

MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

P650 2.6 GHz 2 MB

 

 

25W

 

 

 

 

 

 

 

 

 

 

 

 

 

AMD Athlon™ II

 

 

 

 

 

 

Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

DC P340 2.2 GHz L2

 

 

cache 25W

 

 

 

 

 

 

 

 

 

 

 

 

 

P360 2.5 GHz 35W

 

 

 

 

 

 

 

 

 

DC N330 2.3 GHz 1M

 

 

L2 cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC N350 2.4 GHz L2

 

 

cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

N370 2.5 GHz 1 MB

 

 

35W

 

 

 

 

 

 

 

 

 

 

 

 

 

DC N530 DC 2.5 GHz

 

 

L2 cache 35W

 

 

 

 

 

 

 

 

 

 

 

 

 

P320 DDR3-1066

 

 

MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

PROC DC V140 SC

 

 

2.3 GHz 25W

 

 

 

 

 

 

 

 

 

 

 

 

 

Champlain SC

 

 

processor V160 2.4

 

 

 

 

 

 

GHz 25W

 

 

 

 

 

 

 

 

 

 

 

 

 

Champlain V120

 

 

512K L2 cache

 

 

 

 

 

 

 

 

 

 

 

 

 

AMD Sempron™ II

 

 

 

 

 

 

Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

N120 DDR3-1066

 

 

Mhz

 

 

 

 

 

 

 

 

 

 

 

 

Chipset

Intel® HM55 Express

 

 

 

 

 

 

 

 

 

Intel® GL40

 

 

 

 

 

 

 

 

 

 

 

 

Southbridge: ICH9m

 

 

 

 

 

 

 

 

 

 

 

 

AMD

 

 

 

 

 

 

 

 

 

 

 

 

ENWW

3

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

ATI RS880M

 

 

 

 

(Northbridge)

 

 

 

 

 

 

 

 

 

 

 

 

 

ATI RS880MD

 

 

 

 

 

(Northbridge)

 

 

 

 

 

 

 

 

 

 

 

 

 

Southbridge - SB820

 

 

 

 

 

 

 

 

Graphics

Intel UMA

 

 

 

 

(integrated)/HD

 

 

 

 

 

 

Graphics with shared

 

 

 

 

 

 

video memory

 

 

 

 

 

 

(memory size is

 

 

 

 

 

 

dynamic change):

 

 

 

 

 

 

Up to 251 MB on

 

 

 

 

 

 

computers with

 

 

 

 

 

 

1024 MB of

 

 

 

 

 

 

system memory

 

 

 

 

 

 

Up to 358 MB on

 

 

 

 

 

 

computers with

 

 

 

 

 

 

more than 2048

 

 

 

 

 

 

MB of system

 

 

 

 

 

 

memory

 

 

 

 

 

 

 

 

 

 

 

 

4 Chapter 1 Product description

ENWW

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

Intel UMA

 

 

 

 

 

(integrated)/GMA

 

 

 

 

 

 

4500M - GL40

 

 

 

 

 

 

chipset with shared

 

 

 

 

 

 

video memory

 

 

 

 

 

 

(memory size is

 

 

 

 

 

 

dynamic change):

 

 

 

 

 

 

Up to 1759 MB

 

 

 

 

 

 

for computers

 

 

 

 

 

 

with more than

 

 

 

 

 

 

4096 MB of

 

 

 

 

 

 

system memory

 

 

 

 

 

 

(64 bit)

 

 

 

 

 

 

Up to 1309 MB

 

 

 

 

 

 

for computers

 

 

 

 

 

 

with more than

 

 

 

 

 

 

4096 MB of

 

 

 

 

 

 

system memory

 

 

 

 

 

 

(32 bit)

 

 

 

 

 

 

Up to 1309 MB

 

 

 

 

 

 

for computers

 

 

 

 

 

 

with more than

 

 

 

 

 

 

3072 MB of

 

 

 

 

 

 

system memory

 

 

 

 

 

 

Up to 797 MB for

 

 

 

 

 

 

computers with

 

 

 

 

 

 

more than 2048

 

 

 

 

 

 

MB system

 

 

 

 

 

 

memory

 

 

 

 

 

 

Up to 285 MB for

 

 

 

 

 

 

computers with

 

 

 

 

 

 

more than 1024

 

 

 

 

 

 

MB of system

 

 

 

 

 

 

memory

 

 

 

 

 

 

 

 

 

 

 

 

 

ATi Discrete PCI

 

 

 

 

 

Express x 16

 

 

 

 

 

 

Graphics

 

 

 

 

 

 

ATi Mobility

 

 

 

 

 

 

Radeon Park-LP

 

 

 

 

 

 

S3 package (ATI

 

 

 

 

 

 

Mobility

 

 

 

 

 

 

Radeon™

 

 

 

 

 

 

HD5430 with

 

 

 

 

 

 

512-MB of

 

 

 

 

 

 

dedicated video

 

 

 

 

 

 

memory (64-

 

 

 

 

 

 

MB×16 DDR3, 4

 

 

 

 

 

 

pcs, 800-MHz))

 

 

 

 

 

 

 

 

 

 

 

 

ENWW

5

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

 

Presario

Presario

Presario

 

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

Switchable Discrete

 

 

 

 

Graphics

 

 

 

 

 

 

ATi Robson XT

 

 

 

 

 

 

 

(ATI Mobility

 

 

 

 

 

 

 

Radeon™

 

 

 

 

 

 

 

HD6370) with

 

 

 

 

 

 

 

512MB of

 

 

 

 

 

 

 

dedicated

 

 

 

 

 

 

 

memory

 

 

 

 

 

 

 

(64Mx16 DDR3

 

 

 

 

 

 

 

800 MHz x 4

 

 

 

 

 

 

 

PCs)

 

 

 

 

 

 

ATi Robson XT

 

 

 

 

 

 

 

(ATI Mobility

 

 

 

 

 

 

 

Radeon™

 

 

 

 

 

 

 

HD6370) with

 

 

 

 

 

 

 

1GB of

 

 

 

 

 

 

 

dedicated

 

 

 

 

 

 

 

memory

 

 

 

 

 

 

 

(128Mx16 DDR3

 

 

 

 

 

 

 

800 MHz x 4

 

 

 

 

 

 

 

PCs)

 

 

 

 

 

 

 

 

 

 

 

 

 

Support for BD or

 

HD-DVD playback

 

 

 

 

 

 

with HD decoder

 

 

 

 

 

 

and DX10 support

 

 

 

 

 

 

 

 

 

 

 

 

Panel

35.6-cm (14.0-in) HD

 

LED BrightView

 

 

 

 

 

 

(1366 x 768)

 

 

 

 

 

 

 

 

 

 

 

 

 

16:9 wide aspect ratio

 

 

 

 

 

 

 

Memory

2 SODIMM slots

 

 

 

 

 

 

 

 

Customer-accessible

 

and upgradable

 

 

 

 

 

 

 

 

 

 

 

 

 

Supports up to 8 GB

 

of system memory

 

 

 

 

 

 

 

 

 

 

 

 

 

DDR3, 1066-MHz,

 

 

dual-channel memory

 

 

 

 

 

 

(DDR3 1333 MHz can

 

 

 

 

 

 

be downgraded to

 

 

 

 

 

 

DDR3 1066 MHz)

 

 

 

 

 

 

 

 

 

 

 

 

 

DDR3, 800-MHz,

 

 

 

 

 

dual-channel memory

 

 

 

 

 

 

(DDR3 1333 MHz can

 

 

 

 

 

 

be downgraded to

 

 

 

 

 

 

DDR3 800 MHz)

 

 

 

 

 

Supports the following configurations:

6 Chapter 1 Product description

ENWW

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

 

Presario

Presario

Presario

 

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

 

4096 MB (2048

 

 

MB × 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3072 MB (1024

 

 

MB × 1 + 2048

 

 

 

 

 

 

 

MB × 1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2048 MB (2048

 

 

MB × 1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2048 MB (1024

 

 

MB × 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1024 MB (1024

 

 

MB × 1)

 

 

 

 

 

 

 

 

 

 

 

 

Hard drives

Supports 9.5-mm,

 

6.35-cm (2.5-in) hard

 

 

 

 

 

 

drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial ATA

 

 

 

 

 

 

 

 

Supports the following

 

 

 

 

 

 

drives:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

750 GB, 5400

 

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

640 GB, 5400

 

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

500 GB, 7200

 

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

320 GB, 7200

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250 GB, 7200

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

160 GB, 7200

 

 

 

rpm

 

 

 

 

 

 

 

 

 

 

 

 

Optical

Fixed (removal of one

drives

screw required)

 

 

 

 

 

 

 

 

 

 

 

 

 

SATA

 

 

 

 

 

 

 

 

12.7-mm (0.50-in)

 

fixed tray load

 

 

 

 

 

 

 

 

 

 

 

 

 

Supports the following

 

 

 

 

 

 

drives:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blu-ray ROM

 

 

 

with LightScribe

 

 

 

 

 

DVD±R/RW

SuperMulti DL

Drive

ENWW

7

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

 

Presario

Presario

Presario

 

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

 

Blu-ray ROM

 

 

 

DVD±R/RW

 

 

 

 

 

 

 

SuperMulti DL

 

 

 

 

 

 

 

Drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVD±R/RW

 

 

SuperMulti DL

 

 

 

 

 

 

 

Drive with

 

 

 

 

 

 

 

LightScribe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVD±R/RW

 

 

SuperMulti DL

 

 

 

 

 

 

 

Drive

 

 

 

 

 

 

 

 

 

 

 

 

Diskette

Supports external

drive

USB drive only

 

 

 

 

 

 

 

 

 

 

 

 

Camera

VGA camera

 

 

 

 

 

 

 

 

Fixed (no tilt)

 

 

 

 

 

 

 

 

640 × 480 by 24

 

frames per second

 

 

 

 

 

 

 

 

 

 

 

 

Microphone

One microphone,

 

analog

 

 

 

 

 

 

 

 

 

 

 

 

Audio

HD audio

 

 

 

 

 

 

 

 

Supports Microsoft

 

Premium

 

 

 

 

 

 

requirements

 

 

 

 

 

 

 

 

 

 

 

 

 

Altec Lansing

 

speakers

 

 

 

 

 

 

 

 

 

 

 

 

Modem

Support for optional

(select

high-speed 56k

 

 

 

 

 

models only)

modem

 

 

 

 

 

 

 

 

 

 

 

 

Ethernet

Integrated 10/100

 

network interface card

 

 

 

 

 

 

(NIC)

 

 

 

 

 

 

 

 

 

 

 

 

Wireless

Integrated wireless

 

 

 

 

 

 

local area network

 

 

 

 

 

 

(WLAN) options by

 

 

 

 

 

 

way of wireless

 

 

 

 

 

 

module:

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Centrino

 

 

Wireless-N 1000

 

 

 

 

 

 

802.11b/g 1x2

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel Centrino

 

 

Wireless-N 1000

 

 

 

 

 

 

802.11b/g 1x2

 

 

 

 

 

 

 

 

 

 

 

 

 

8 Chapter 1 Product description

ENWW

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

Atheros AR9285

 

802.11b/g/n 1x1 WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

Atheros AR9285

 

802.11b/g/n 1x1 WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

Broadcom 4312G

 

 

 

 

 

802.11b/g WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

Broadcom 4312G

 

 

 

 

 

802.11b/g WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

Realtek RTL8191SE

 

802.11b/g/n 1x1 WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

Realtek RTL8191SE

 

802.11b/g/n 1x1 WiFi

 

 

 

 

 

 

Adapter

 

 

 

 

 

 

 

 

 

 

 

 

External

5-in-1 Digital Media

media card

Slot; supports SD,

 

 

 

 

 

(select

MMC, MS, Mspro, xD

 

 

 

 

 

models only )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single port configured

 

 

as either HDMI or 5-

 

 

 

 

 

 

in-1 Digital Media Slot

 

 

 

 

 

 

 

 

 

 

 

 

 

Supports mini

 

versions of SD, MMC,

 

 

 

 

 

 

and MS Duo with

 

 

 

 

 

 

adapter (adapter not

 

 

 

 

 

 

included)

 

 

 

 

 

 

 

 

 

 

 

 

Ports

VGA (Dsub 15-pin)

 

supporting 1600 x

 

 

 

 

 

 

1200 resolution at 75

 

 

 

 

 

 

Hz; disabled when

 

 

 

 

 

 

connected to devices

 

 

 

 

 

 

through Expansion

 

 

 

 

 

 

port 3

 

 

 

 

 

 

 

 

 

 

 

 

 

Hot plug/unplug and

 

auto detect for wide-

 

 

 

 

 

 

aspect or standard-

 

 

 

 

 

 

aspect video

 

 

 

 

 

 

 

 

 

 

 

 

 

HDMI v1.3 supporting

 

1080p with HDCP key

 

 

 

 

 

 

 

 

 

 

 

 

 

Single port configured

 

for either HDMI or 5-

 

 

 

 

 

 

in-1 card reader

 

 

 

 

 

 

 

 

 

 

 

 

 

USB 2.0 (3)

 

 

 

 

 

 

 

ENWW

9

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

RJ-11 (modem) with

 

modem option

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ-45 (Ethernet, with

 

link and activity lights)

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio-in (mono

 

microphone)

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio-out (stereo

 

headphone)

 

 

 

 

 

 

 

 

 

 

 

 

 

Smart-pin AC adapter

 

plug

 

 

 

 

 

 

 

 

 

 

 

 

Keyboard/

14.0-inch keyboard

pointing

 

 

 

 

 

 

devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TouchPad with 2

 

buttons and 2-way

 

 

 

 

 

 

scroll (taps enabled

 

 

 

 

 

 

as default)

 

 

 

 

 

 

 

 

 

 

 

 

Power

6-cell (47-Wh) 2.20-

requirement

Ah Li-ion battery

 

 

 

 

 

s

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65-W AC adapter with

 

 

Smart-Pin DC

 

 

 

 

 

 

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

90-W AC adapter with

 

 

 

 

 

Smart-Pin DC

 

 

 

 

 

 

connector

 

 

 

 

 

 

 

 

 

 

 

 

Security

Security cable slot

 

 

 

 

 

 

 

Operating

Preinstalled:

 

 

 

 

 

system

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Windows 7

 

 

Professional (32 & 64

 

 

 

 

 

 

bit)

 

 

 

 

 

 

 

 

 

 

 

 

 

Windows 7 Home

 

 

Premium (32 & 64 bit)

 

 

 

 

 

 

 

 

 

 

 

 

 

Windows 7 Home

 

 

 

Basic (32 & 64 bit)

 

 

 

 

 

 

 

 

 

 

 

 

 

Free DOS

 

 

 

 

 

 

 

 

 

Serviceabilit

End-user

 

 

 

 

 

y

replaceable parts:

 

 

 

 

 

 

 

 

 

 

 

 

 

AC adapter

 

 

 

 

 

 

 

 

Battery (system)

 

 

 

 

 

 

 

 

Hard drive

 

 

 

 

 

 

 

10 Chapter 1 Product description

ENWW

Category

Description

HP G42

HP G42

Compaq

Compaq

Compaq

 

 

 

 

Presario

Presario

Presario

 

 

 

 

CQ42

CQ42

CQ42

 

 

 

 

 

 

 

 

 

Discrete

UMA

Discrete

UMA Models

UMA Models

 

 

 

 

 

150-199

100-149

 

 

 

 

 

 

 

 

Memory module

 

 

 

 

 

 

 

 

Optical drive

 

 

 

 

 

 

 

 

Mini-card device

 

 

 

 

 

 

 

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11

12 Chapter 1 Product description

ENWW

2 External component identification

Identifying the hardware

Components included with the computer may vary by region and model. The illustrations in this chapter identify the standard features on most computer models.

To see a list of hardware installed in the computer, follow these steps:

1.Select Start > My Computer.

2.In the left pane of the System Tasks window, select View system information.

3.Select Hardware tab > Device Manager.

You can also add hardware or modify computer configurations using Device Manager.

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Identifying the hardware 13

Top components

TouchPad

Component

 

Description

 

 

 

(1)

TouchPad off indicator

To switch the TouchPad zone on and off, quickly double-tap

 

 

the TouchPad off indicator.

 

 

NOTE: When the TouchPad zone is active, the light is off.

 

 

 

(2)

TouchPad zone

Moves the pointer and selects or activates items on the

 

 

screen.

 

 

 

(3)

Left TouchPad button

Functions like the left button on an external mouse.

 

 

 

(4)

Right TouchPad button

Functions like the right button on an external mouse.

 

 

 

There is an unmarked scroll zone inside the right edge of the TouchPad. To scroll up and down using the TouchPad vertical scroll zone, slide your finger up or down inside the right edge of the TouchPad. For more information about TouchPad features, refer to” Using the TouchPad” section later in this guide.

14 Chapter 2 External component identification

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Lights

Component

 

Description

 

 

 

(1)

TouchPad light

On: The TouchPad is disabled.

 

 

Off: The TouchPad is enabled.

 

 

 

(2)

Caps lock light

On: Caps lock is on.

 

 

 

(3)

Power light

On: The computer is on.

 

 

Blinking: The computer is in the Sleep state.

 

 

Off: The computer is off or in Hibernation.

 

 

 

(4)

Wireless light

White: An integrated wireless device, such as a

wireless local area network (WLAN) device, is on.

Amber: All wireless devices are off.

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Top components 15

Button and speakers

Component

 

Description

 

 

 

(1)

Speakers (2)

Produce sound.

 

 

 

(2)

Power button

When the computer is off, press the button to turn on the

computer.

When the computer is on, press the button briefly to initiate Sleep.

When the computer is in the Sleep state, briefly press the button to exit Sleep.

When the computer is in Hibernation, briefly press the button to exit Hibernation.

If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer.

To learn more about your power settings, select Start >

Control Panel > System and Security > Power Options.

16 Chapter 2 External component identification

ENWW

HP Compaq Presario CQ42-203AU, Compaq Presario CQ42-205AU, Compaq Presario CQ42-210AU, Compaq Presario CQ42-218AX, Compaq Presario CQ42-219AX Service Guide

Keys

Component

 

Description

 

 

 

(1)

esc key

Displays system information when pressed in combination with

 

 

the fn key.

 

 

 

(2)

fn key

Displays system information when pressed in combination with

 

 

the esc key.

 

 

 

(3)

Windows logo key

Displays the Windows Start menu.

 

 

 

(4)

Windows applications key

Displays a shortcut menu for items beneath the pointer.

 

 

 

(5)

Navigation keys

Navigate using the Up, Down, Left and Right arrow keys.

 

 

 

(6)

Action keys

Execute frequently used system actions.

 

 

 

ENWW

Top components 17

Display

Component

Description

 

 

 

(1)

Internal microphone

Records sound.

 

 

 

(2)

Integrated webcam (select models only)

Records audio and video and captures still photographs.

 

 

 

(3)

Integrated webcam light (select models only)

On: The integrated webcam is in use.

 

 

 

18 Chapter 2 External component identification

ENWW

Right-side components

Component

 

Description

 

 

 

(1)

Optical drive

Reads and writes to optical discs.

 

 

 

(2)

Optical drive light

Blinking: The optical drive is being accessed.

 

 

 

(3)

USB port

Connects an optional USB device.

 

 

 

(4)

RJ-11 (modem) jack (select models only)

Connects a modem cable.

 

 

 

(5)

AC adapter/power/battery light

White: The computer is connected to external power and

 

 

the battery is fully charged.

 

 

Blinking white: The computer is in the Sleep state.

 

 

Amber: A battery is charging.

 

 

 

(6)

Power connector

Connects an AC adapter.

 

 

 

(7)

Security cable slot

Attaches an optional security cable to the computer.

 

 

NOTE: The security cable is designed to act as a deterrent,

but it may not prevent the computer from being mishandled or stolen.

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Right-side components 19

Left-side components

Component

 

Description

 

 

 

(1)

External monitor port

Connects an external VGA monitor or projector.

 

 

 

(2)

Vent

Enables airflow to cool internal components.

 

 

NOTE: 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.

(3)HDMI port (select models only)

Connects an optional video or audio device, such as a highdefinition television, or any compatible digital or audio component.

(4)

RJ-45 (network) jack

Connects a network cable.

 

 

 

(5)

USB ports (2)

Connects optional USB devices.

 

 

 

(6)

Audio-in (microphone) jack

Connects an optional computer headset microphone, stereo

 

 

array microphone, or monaural microphone.

 

 

 

(7)

Audio-out (headphone) jack

Produces sound when connected to optional powered stereo

 

 

speakers, headphones, earbuds, a headset, or television

 

 

audio.

 

 

 

(8)

Digital Media Slot (select models only)

Supports the following optional digital card formats:

 

 

Memory Stick (MS)

 

 

Memory Stick Pro (MSP)

 

 

MultiMediaCard (MMC)

 

 

Secure Digital (SD) Memory Card

 

 

xD-Picture Card (XD)

 

 

 

(9)

Drive light

On: The hard drive is in use.

 

 

 

 

20 Chapter 2 External component identification

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