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