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CQ42 manual vi MSG revision history
Models:
CQ42
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Specification
Install
Removal and replacement procedures
Maintenance
System Configuration menu
Wireless antennas
Diagnostics menu
Setup Utility
Display assembly components
Backup and recovery
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vi MSG revision history
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Contents
SUMMARY
Maintenance and Service Guide
Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC
Copyright 2010 Hewlett-Packard Development Company, L.P
Safety warning notice
iv Safety warning notice
Publication date
MSG revision history
Revision
Description
vi MSG revision history
Table of contents
Electrostatic discharge damage
8 Connector pin assignments
6 Specifications
7 Backup and recovery
9 Power cord set requirements
Display
Battery
Requirements for specific countries or regions
10 Recycling
1 Product description
2 Chapter 1 Product description
Category
4 Chapter 1 Product description
Category
6 Chapter 1 Product description
Category
1. Select Start My Computer
2 External component identification
Identifying the hardware
3. Select Hardware tab Device Manager
Top components
TouchPad
Lights
10 Chapter 2 External component identification
Button and speakers
Keys
12 Chapter 2 External component identification
Records sound
Display
Internal microphone
Integrated webcam select models only
Right-side components
14 Chapter 2 External component identification
Left-side components
Bottom components
16 Chapter 2 External component identification
Wireless antennas
Additional hardware components
3 Illustrated parts catalog
Serial number location
Computer major components
20 Chapter 3 Illustrated parts catalog
Spare part number
For use with integrated microphone and webcam Presario, biscotti
22 Chapter 3 Illustrated parts catalog
Computer major components
24 Chapter 3 Illustrated parts catalog
Bluetooth module
Battery
Description
Computer major components
on page
Display assembly components
26 Chapter 3 Illustrated parts catalog
4 Webcam cable
Plastics Kit
28 Chapter 3 Illustrated parts catalog
Mass storage devices
Mass storage devices
Miscellaneous parts
30 Chapter 3 Illustrated parts catalog
Sequential part number listing
Sequential part number listing
Description
32 Chapter 3 Illustrated parts catalog
Spare part
number
Description
Sequential part number listing
Spare part
number
Description
34 Chapter 3 Illustrated parts catalog
Spare part
number
Description
Sequential part number listing
Spare part
number
Service considerations
4 Removal and replacement procedures
Preliminary replacement requirements
Tools required
Cables and connectors
Drive handling
Grounding guidelines
Electrostatic discharge damage
Packaging and transporting guidelines
Workstation guidelines
Equipment guidelines
Component replacement procedures
Serial number
Computer feet
42 Chapter 4 Removal and replacement procedures
Battery
Hard drive
Component replacement procedures
6. Disconnect the hard drive cable from the system board
Reverse this procedure to install the hard drive
46 Chapter 4 Removal and replacement procedures
7. Remove the hard drive
Optical drive
48 Chapter 4 Removal and replacement procedures
4. Remove the optical drive
7. Remove the optical drive bracket
Component replacement procedures
WLAN module
4. Remove the battery see Battery on page
Before removing the WLAN module, follow these steps
Reverse this procedure to install a WLAN module
50 Chapter 4 Removal and replacement procedures
4. Disconnect the two WLAN antenna cables 1 from the WLAN module
Memory module
Reverse this procedure to install a memory module
52 Chapter 4 Removal and replacement procedures
5. Remove the module 2 by pulling it away from the slot at an angle
Keyboard
8. Remove the keyboard Reverse this procedure to install the keyboard
54 Chapter 4 Removal and replacement procedures
b. Optical drive see Optical drive on page
a. Battery see Battery on page
Top cover
c. Keyboard see Keyboard on page
5. Open the computer as far as possible
56 Chapter 4 Removal and replacement procedures
4. Turn the computer display-side up with the front toward you
8. Disconnect the speaker cable 3 from the system board
Reverse this procedure to install the switch cover
Component replacement procedures
Speaker assembly
a. Optical drive see Optical drive on page
b. Keyboard see Keyboard on page c. Top cover see Top cover on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
Power button board
a. Hard drive see Hard drive on page
b. Optical drive see Optical drive on page
b. Optical drive see Optical drive on page
TouchPad button board
a. Hard drive see Hard drive on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
b. Optical drive see Optical drive on page
Modem module
a. Hard drive see Hard drive on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
62 Chapter 4 Removal and replacement procedures
5. Remove the modem module
b. Optical drive see Optical drive on page
Bluetooth module
a. Hard drive see Hard drive on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
b. Optical drive see Optical drive on page
USB board
a. Hard drive see Hard drive on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
b. Optical drive see Optical drive on page
Power connector cable
a. Hard drive see Hard drive on page
c. Keyboard see Keyboard on page d. Top cover see Top cover on page
c. Top cover see Top cover on page
Display assembly
a. Keyboard see Keyboard on page
b. Optical drive see Optical drive on page
8. Remove the display assembly
Component replacement procedures
6. Disconnect the webcam cable 2 from the system board
68 Chapter 4 Removal and replacement procedures
1 Two Mylar screw covers on the display bezel bottom edge
2 Two Phillips PM2.5×4.0 screws
a. Turn the display panel upside down in front of you
2. The display panel is available using the spare part number
Component replacement procedures
b. Peel back the tape that secures the cable to the display
18. Detach the wireless antenna 2 from the display back cover
70 Chapter 4 Removal and replacement procedures
Component replacement procedures
Reverse this procedure to reassemble and install the display assembly
72 Chapter 4 Removal and replacement procedures
Memory modules see Memory module on page
RTC battery see RTC battery on page
System board
WLAN module see WLAN module on page
Power connector cable see Power connector cable on page
f. Speaker assembly see Speaker assembly on page
g. Display assembly see Display assembly on page
Bluetooth cable see Bluetooth module on page
Fan/heat sink assembly see Fan/heat sink assembly on page
Processor see Processor on page
f. Speaker assembly see Speaker assembly on page
Optical drive SATA cable and connector
h. System board see System board on page
g. Display assembly see Display assembly on page
Component replacement procedures
g. Display assembly see Display assembly on page
RTC battery
f. Speaker assembly see Speaker assembly on page
a. Hard drive see Hard drive on page b. WLAN see WLAN module on page
3. Remove the RTC battery
Reverse this procedure to install the RTC battery
Component replacement procedures
f. Display assembly see Display assembly on page
Fan/heat sink assembly
e. Speaker assembly see Speaker assembly on page
g. System board see System board on page
4. Remove the fan/heat sink assembly
Component replacement procedures
Reverse this procedure to install the fan/heat sink assembly
82 Chapter 4 Removal and replacement procedures
Component replacement procedures
Processor
4. Remove the battery see Battery on page
NOTE All processor spare part kits include thermal material
f. Display assembly see Display assembly on page
d. Top cover see Top cover on page
e. Speaker assembly see Speaker assembly on page
g. System board see System board on page
Starting Setup Utility
5 Setup Utility
Computer Setup in Windows
Using Setup Utility
Navigating and selecting in Setup Utility
Displaying system information
Restoring default settings in Setup Utility
Main menu
Setup Utility menus
Exiting Setup Utility
Security menu
System Configuration menu
Diagnostics menu
and f12 functions of Setup Utility in intervals of 5 seconds each
Using Computer Setup
Computer Setup in Linux
Starting Computer Setup
Navigating and selecting in Computer Setup
Restoring factory settings in Computer Setup
Computer Setup menus
File menu
Diagnostics menu
Computer Setup in Linux
Security menu
System Configuration menu
94 Chapter 5 Setup Utility
Built-in device options
6 Specifications
Computer specifications
35.6-cm 14.0-in display specifications
35.6-cm 14.0-in display specifications
Hard drive specifications
98 Chapter 6 Specifications
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications
DVD±RW SuperMulti Double-Layer Drive with LightScribe specifications
100 Chapter 6 Specifications
Resources by type Resources by connection
System resource specifications
1. Select Start Computer
4. Click Device Manager
7 Backup and recovery
Windows
Creating recovery discs
Backing up your information
Using Windows Backup and Restore
1. Select Start All Programs Maintenance Backup and Restore
When to create restore points
Performing a recovery
Using system restore points
Create a system restore point
Select Start All Programs Recovery Manager Recovery Manager
Recovering from the recovery discs
Recovering from the dedicated recovery partition select models only
2. Click System Recovery in the Recovery Manager window
Linux backup and recovery
8 Connector pin assignments
Audio-out headphone
Audio-in microphone
External monitor
110 Chapter 8 Connector pin assignments
RJ-11 modem
RJ-45 network
RJ-11 modem
HDMI
112 Chapter 8 Connector pin assignments
Universal Serial Bus
Universal Serial Bus
9 Power cord set requirements
Requirements for all countries or regions
Accredited agency
Requirements for specific countries or regions
Country/region
Applicable note number
Battery
10 Recycling
Display
Perform the following steps to disassemble the display assembly
3. Remove the display bezel
Display
6. Remove the display panel assembly 2 from the display enclosure
7. Turn the display panel assembly upside-down
118 Chapter 10 Recycling
13. Remove the backlight cover
10. Remove the display panel frame 2 from the display panel
12. Lift the top edge of the backlight cover 2 and swing it outward
14. Turn the display panel right-side up
16. Turn the display panel upside-down
17. Remove the backlight frame from the display panel
120 Chapter 10 Recycling
21. Release the LCD panel 3 from the display rear panel
18. Remove the backlight from the backlight frame
19. Disconnect the display panel cable 1 from the LCD panel
23. Remove the LCD panel 24. Recycle the LCD panel and backlight
Symbols/Numerics
Index
I inverter
J jacks
Page
