Document Part Number
Maintenance and Service Guide
Compaq Presario CQ41 Notebook PC
Copyright 2009 Hewlett-Packard Development Company, L.P
First Edition September Document Part Number
Safety warning notice
Contents
1 Product description 2 External component identification
3 Illustrated parts catalog
4 Removal and replacement procedures
Contents
7 Screw listing
5 Setup Utility
6 Specifications
10Power cord set requirements
8 Backup and recovery
9 Connector pin assignments
11Recycling
Product description
Discrete graphics
Discrete graphics
Kensington Security Lock
TouchPad
External component identification
Top components
Lights
Buttons and speakers
Keys
Description
Display
Component
Description
Front components
Component
Vent
Rear component
Enables airflow to cool internal components
The computer fan starts up automatically to cool internal components
Description
Right-side components
Component
Left-side components
Description
Bottom components
Component
Wireless antennas
Maintenance and Service Guide
Additional hardware components
Batteries and power cords vary in appearance by country or region
Service tag
Illustrated parts catalog
Illustrated parts catalog
Computer major components
Maintenance and Service Guide
Spare Part Number
Item Description
Fan for models with UMA graphics subsystems
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
Spare Part Number
Power connector and cable
Description
15 Base enclosure
Battery
Item Description
Audio board
Display assembly
2 Memory module compartment cover 3 Mini Card compartment cover
Plastics Kit
1 Hard drive cover includes two captive screws
Spare part number
Mass storage devices
Item Description
Description
Miscellaneous parts
Power cords
Spare part number
number
Sequential part number listing
Spare part
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
580767-001 Display bezel for models with a microphone module
Maintenance and Service Guide
Spare part number Description
580768-001 Display bezel for models with a webcam/microphone module
Service considerations
Removal and replacement procedures
Preliminary replacement requirements
Cables and connectors
Electrostatic discharge damage
Grounding guidelines
Drive handling
Packaging and transporting guidelines
Workstation guidelines
Equipment guidelines
Component replacement procedures
Service tag
Computer feet
Maintenance and Service Guide
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
5. Remove the RTC battery
3. Disconnect the RTC battery cable 1 from the system board
4. Release the two-sided tape 2 that holds the RTC battery
Reverse this procedure to install the RTC battery
Spare part number
WLAN module
Description
Nether Antilles, the Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan
Description
Spare part number
Page
Maintenance and Service Guide
Reverse this procedure to install the WLAN module
Removal and replacement procedures
7. Lift the bracket 2 straight up to remove it
Remove the WLAN module for models with UMA graphics subsystems
Maintenance and Service Guide
Reverse this procedure to install the WLAN module
Removal and replacement procedures
7. Lift the bracket 2 straight up to remove it
Optical drive
Keyboard
2. Turn the computer display-side up with the front toward you
Removal and replacement procedures
Maintenance and Service Guide
3. Open the computer as far as possible
Maintenance and Service Guide
7. Remove the keyboard Reverse this procedure to install the keyboard
Removal and replacement procedures
4-23
c. Optical drive see “Optical drive” on page
Keyboard cover
a. Hard drive cover see “Hard 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
g. Speaker assembly see “Speaker assembly” on page
Top cover
f. Switch cover see “Keyboard cover” 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
Maintenance and Service Guide
4. Disconnect the power connector cable
Removal and replacement procedures
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
Using Setup Utility
Setup Utility
Starting Setup Utility
Changing the language of Setup Utility
Displaying system information
Navigating and selecting in Setup Utility
Restoring default settings in Setup Utility
Setup Utility
Main menu
Setup Utility menus
Exiting Setup Utility
Security menu
Select
System Configuration menu
Diagnostics menu
To do this
Specifications
Computer specifications
14.1-inch display specifications
Specifications
Hard drive specifications
Specifications
Applicable disc
Page
DMA System function
System DMA specifications
Hardware
Size
F0010000
System function
Size
Memory address
Hardware IRQ
System function
Hardware IRQ
System function
System function shipping configuration
I/O address hex
C6C - C6C
Page
C6F - C6F
Screw listing
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
Phillips PM2.0×4.0 screw
Maintenance and Service Guide
Where used Two screws that secure the modem module select models only to the system board
Phillips PM2.0×10.0 captive screw
Phillips PM2.5×3.0 screw
Where used Two screws that secure the speakers to the top cover
Where used One screw that secures the USB board to the base enclosure
Phillips PM2.5×4.0 screw
Phillips PM2.5×5.0 screw
Maintenance and Service Guide
Where used Six screws that secure the display panel to the display enclosure
Maintenance and Service Guide
Where used Two screws that secure the bezel to the display enclosure
Where used Two screws that secure the top cover to the base enclosure
Screw listing
Where used Two screws that secure the system board to the base enclosure
Phillips PM2.5×5.0 captive screw
Maintenance and Service Guide
Phillips PM2.5×6.0 screw
Where used Two screws that secure the top cover to the base enclosure
7-16
Maintenance and Service Guide
Screw listing
Phillips PM2.5×7.0 captive screw
Phillips PM2.5×10.0 screw
Phillips PM2.5×17.0 screw
Phillips PM3.0×3.0 screw
Maintenance and Service Guide
Backup and recovery
Overview
Creating recovery discs
Backing up your information
When to create restore points
Using Windows Backup and Restore
Using system restore points
1. Select Start All Programs Maintenance Backup and Restore
Restore to a previous date and time
Performing a recovery
Create a system restore point
3. Click the System Protection tab 4. Click System Restore
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
Audio-out headphone
Connector pin assignments
Audio-in microphone
External monitor
Connector pin assignments
HDMI
Signal
Maintenance and Service Guide
RJ-11 modem select models only
Signal
RJ-45 network
Signal
Maintenance and Service Guide
Universal Serial Bus
Signal
Power cord set requirements
Requirements for all countries and regions
Accredited agency
Requirements for specific countries and regions
Country/region
Applicable note number
Display
Battery
Recycling
3. Remove the display bezel
Perform the following steps to disassemble the display assembly
Maintenance and Service Guide
Recycling
6. Remove the display panel assembly 2 from the display enclosure
10. Remove the display panel frame 2 from the display panel
18. Remove the backlight from the backlight frame
16. Turn the display panel upside down
17. Remove the backlight frame from the display panel
21. Release the LCD panel 3 from the display rear panel
Maintenance and Service Guide
19. Disconnect the display cable 1 from the LCD panel
23. Remove the LCD panel 24. Recycle the LCD panel and backlight
Index
f11 key 8-6 fan
Page