Maintenance and Service Guide
Compaq Presario CQ41 Notebook PC
Document Part Number
First Edition September Document Part Number
Copyright 2009 Hewlett-Packard Development Company, L.P
Safety warning notice
1 Product description 2 External component identification
3 Illustrated parts catalog
Contents
Contents
4 Removal and replacement procedures
5 Setup Utility
6 Specifications
7 Screw listing
9 Connector pin assignments
8 Backup and recovery
10Power cord set requirements
11Recycling
Product description
Discrete graphics
Discrete graphics
Kensington Security Lock
External component identification
Top components
TouchPad
Lights
Buttons and speakers
Keys
Display
Component
Description
Front components
Component
Description
Enables airflow to cool internal components
Rear component
Vent
The computer fan starts up automatically to cool internal components
Right-side components
Component
Description
Left-side components
Bottom components
Component
Description
Wireless antennas
Additional hardware components
Batteries and power cords vary in appearance by country or region
Maintenance and Service Guide
Illustrated parts catalog
Service tag
Computer major components
Maintenance and Service Guide
Illustrated parts catalog
Item Description
Fan for models with UMA graphics subsystems
Spare Part Number
Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, the Central African Republic, Chad, Colombia, Comoros, the Congo, Costa Rica, Croatia, Cyprus, the Czech Republic, Denmark, Djibouti, Dominica, the Dominican Republic, East Timor, Ecuador, Egypt, El Salvador, Equitorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Gibraltar, Greece, Grenada, Guadeloupe, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, the Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, the Maldives, Mali, Malta, the Marshall Islands, Martinique, Mauritania, Mauritius, Mexico, Micronesia, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal, the Nether Antilles, the Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan, Palau, Panama, Papua New Guinea, Paraguay, the Peoples Republic of China, Peru, the Philippines, Poland, Portugal, Qatar, the Republic of Moldova, Romania, Russia, Rwanda, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, the Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, the Solomon Islands, Somalia, South Africa, South Korea, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Suriname, Swaziland, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe
Illustrated parts catalog
Power connector and cable
Description
Spare Part Number
Item Description
Battery
15 Base enclosure
Audio board
Display assembly
Plastics Kit
1 Hard drive cover includes two captive screws
2 Memory module compartment cover 3 Mini Card compartment cover
Mass storage devices
Item Description
Spare part number
Power cords
Miscellaneous parts
Description
Spare part number
Spare part
Sequential part number listing
number
Description
Cameroon, Cape Verde, the Central African Republic, Chad, Colombia, Comoros, the Congo, Costa Rica
Broadcom BCM4322 802.11a/b/g/n 2x2 for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua
Spare part number Description
Spare part number Description
Maintenance and Service Guide
580767-001 Display bezel for models with a microphone module
580768-001 Display bezel for models with a webcam/microphone module
Preliminary replacement requirements
Removal and replacement procedures
Service considerations
Cables and connectors
Grounding guidelines
Drive handling
Electrostatic discharge damage
Workstation guidelines
Packaging and transporting guidelines
Equipment guidelines
Service tag
Component replacement procedures
Maintenance and Service Guide
Computer feet
Battery
Hard drive
6. Remove the hard drive 4 from the hard drive bay
Memory module
Reverse this procedure to install a memory module
RTC battery
4. Release the two-sided tape 2 that holds the RTC battery
3. Disconnect the RTC battery cable 1 from the system board
5. Remove the RTC battery
Reverse this procedure to install the RTC battery
WLAN module
Description
Spare part number
Description
Spare part number
Nether Antilles, the Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan
Page
Removal and replacement procedures
Reverse this procedure to install the WLAN module
Maintenance and Service Guide
7. Lift the bracket 2 straight up to remove it
Remove the WLAN module for models with UMA graphics subsystems
Removal and replacement procedures
Reverse this procedure to install the WLAN module
Maintenance and Service Guide
7. Lift the bracket 2 straight up to remove it
Optical drive
Keyboard
Maintenance and Service Guide
Removal and replacement procedures
2. Turn the computer display-side up with the front toward you
3. Open the computer as far as possible
Removal and replacement procedures
7. Remove the keyboard Reverse this procedure to install the keyboard
Maintenance and Service Guide
4-23
a. Hard drive cover see “Hard drive” on page
Keyboard cover
c. Optical drive see “Optical drive” on page
d. Keyboard see “Keyboard” on page
3. Turn the computer display-side up, with the front toward you
Speaker assembly
Reverse this procedure to install the speaker assembly
Display assembly
Remove the display assembly
8. Remove the display assembly
10. Flex the inside edges of the top edge 1, the left and right sides 2, and the bottom edge of the display bezel 3 until the bezel disengages from the display enclosure
a. Peel back the plastic 1 that covers the cable
Reverse this procedure to reassemble and install the display assembly
Webcam/microphone module select models only
Microphone module
f. Switch cover see “Keyboard cover” on page
Top cover
g. Speaker assembly see “Speaker assembly” on page
h. Display assembly see “Display assembly” on page
3. Turn the computer right-side up, with the front toward you
Bluetooth module and cable select models only
Remove the Bluetooth module and cable
Modem module
Remove the modem module
Audio board
Remove the audio board and cable
USB board
Remove the USB board and cable
Power connector and cable
Remove the power connector and cable
System board
Processor see “Processor” on page
Removal and replacement procedures
4. Disconnect the power connector cable
Maintenance and Service Guide
4-50
Reverse this procedure to install the system board
Fan/heat sink assembly or heat sink
Remove the fan/heat sink
6. Remove the heat sink assembly
Reverse this procedure to install the fan/heat sink assembly
Fan for models with UMA graphics subsystems
Processor
Remove the processor
Starting Setup Utility
Setup Utility
Using Setup Utility
Changing the language of Setup Utility
Restoring default settings in Setup Utility
Navigating and selecting in Setup Utility
Displaying system information
Setup Utility
Exiting Setup Utility
Setup Utility menus
Main menu
Security menu
Diagnostics menu
System Configuration menu
Select
To do this
Computer specifications
Specifications
Specifications
14.1-inch display specifications
Specifications
Hard drive specifications
Applicable disc
Page
Hardware
System DMA specifications
DMA System function
Size
F0010000
Size
Memory address
System function
System function
Hardware IRQ
System function
Hardware IRQ
I/O address hex
System function shipping configuration
C6C - C6C
Page
C6F - C6F
Phillips PM2.0×3.0 broadhead screw
Screw listing
Phillips PM2.0×3.0 screw
Maintenance and Service Guide
Screw listing
Where used Two screws that secure the top cover to the base enclosure
Maintenance and Service Guide
Screw listing
Maintenance and Service Guide
Phillips PM2.0×4.0 screw
Where used Two screws that secure the modem module select models only to the system board
Phillips PM2.0×10.0 captive screw
Where used Two screws that secure the speakers to the top cover
Phillips PM2.5×3.0 screw
Where used One screw that secures the USB board to the base enclosure
Phillips PM2.5×4.0 screw
Maintenance and Service Guide
Phillips PM2.5×5.0 screw
Where used Six screws that secure the display panel to the display enclosure
Where used Two screws that secure the top cover to the base enclosure
Where used Two screws that secure the bezel to the display enclosure
Maintenance and Service Guide
Screw listing
Where used Two screws that secure the system board to the base enclosure
Maintenance and Service Guide
Phillips PM2.5×5.0 captive screw
Where used Two screws that secure the top cover to the base enclosure
Phillips PM2.5×6.0 screw
Maintenance and Service Guide
Screw listing
7-16
Phillips PM2.5×7.0 captive screw
Phillips PM2.5×10.0 screw
Phillips PM2.5×17.0 screw
Maintenance and Service Guide
Phillips PM3.0×3.0 screw
Overview
Backup and recovery
Creating recovery discs
Backing up your information
Using system restore points
Using Windows Backup and Restore
When to create restore points
1. Select Start All Programs Maintenance Backup and Restore
Create a system restore point
Performing a recovery
Restore to a previous date and time
3. Click the System Protection tab 4. Click System Restore
Recovering from the dedicated recovery partition select models only
Recovering from the recovery discs
Select Start All Programs Recovery Manager Recovery Manager
2. Click System Recovery in the Recovery Manager window
Connector pin assignments
Audio-in microphone
Audio-out headphone
Connector pin assignments
External monitor
Signal
HDMI
RJ-11 modem select models only
Signal
Maintenance and Service Guide
Signal
RJ-45 network
Universal Serial Bus
Signal
Maintenance and Service Guide
Requirements for all countries and regions
Power cord set requirements
Country/region
Requirements for specific countries and regions
Accredited agency
Applicable note number
Battery
Recycling
Display
Maintenance and Service Guide
Perform the following steps to disassemble the display assembly
3. Remove the display bezel
Recycling
6. Remove the display panel assembly 2 from the display enclosure
10. Remove the display panel frame 2 from the display panel
16. Turn the display panel upside down
17. Remove the backlight frame from the display panel
18. Remove the backlight from the backlight frame
19. Disconnect the display cable 1 from the LCD panel
Maintenance and Service Guide
21. Release the LCD panel 3 from the display rear panel
23. Remove the LCD panel 24. Recycle the LCD panel and backlight
Index
f11 key 8-6 fan
Page
