Compaq Presario CQ41-100 Compaq Presario CQ41 Notebook PC - Maintenance and Se
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- Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 1
Compaq Presario CQ41 Notebook PC Maintenance and Service Guide Document Part Number: 581860-001 September 2009 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 2
-Packard Company under license. 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 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 3
Safety warning notice Å 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 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 4
10 Wireless antennas 2-11 Additional hardware components 2-12 3 Illustrated parts catalog Service tag 3-1 Computer major components 3-2 Display assembly 3-8 Plastics Kit 3-9 Mass storage devices 3-10 Miscellaneous parts 3-11 Sequential part number listing 3-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 5
Service tag 4-5 Computer feet 4-6 Battery 4-7 Hard drive 4-8 Memory module 4-10 RTC battery 4-12 WLAN module 4-14 Optical drive 4-20 Keyboard 4-21 Keyboard cover 4-24 Speaker assembly 4-26 Display assembly 4-28 Webcam subsystems 4-56 Processor 4-57 v Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 6
Phillips PM2.5×4.0 screw 7-9 Phillips PM2.5×5.0 screw 7-10 Phillips PM2.5×5.0 captive screw 7-14 Phillips PM2.5×6.0 screw 7-15 Phillips PM2.5×7.0 captive screw 7-17 Phillips PM2.5×10.0 screw 7-18 Phillips PM2.5×17.0 screw 7-19 Phillips PM3.0×3.0 screw 7-20 Maintenance and Service Guide vi - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 7
-11 (modem) (select models only 9-4 RJ-45 (network 9-5 Universal Serial Bus 9-6 10 Power cord set requirements Requirements for all countries and regions 10-1 Requirements for specific countries and regions 10-2 11 Recycling Battery 11-1 Display 11-1 Index vii Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 8
Name Processors Chipset Graphics Panel Description Compaq Presario CQ41 Notebook PC AMD Turion™ Ultra Dual-Core M600 (2.4-GHz, 2-MB L2 cache, 3.6 GT/s HyperTransport speed) AMD Turion Dual-Core M520 (2.3-GHz, 1-MB L2 cache, 3.6 GT/s HyperTransport speed) AMD Turion Dual-Core M500 (2.2-GHz, 1-MB - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 9
Altec Lansing speakers 56K MDC V.92 data/fax modem (select models only) 9 UMA graphics subsystem memory 9 9 9 9 9 9 VGA webcam 9 Fixed (no tilt) Activity LED 640 × 480, 24 frames per second Integrated 10/100 network interface card (NIC) 9 9 (Continued) 1-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 10
, supports 3-pin DC connector) 65-W HP Smart Adapter with localized cable plug support (3-wire plug with ground pin, supports 3-pin DC connector) Battery option: 9 6-cell, 2.20-Ah (47-Wh) Li-ion battery UMA graphics subsystem memory 9 9 9 9 9 9 (Continued) Maintenance and Service Guide 1-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 11
) ■ Windows 7 Basic (32-bit) ■ FreeDOS ■ RedFlag End-user replaceable parts: ■ AC adapter ■ Battery (system) ■ Hard drive ■ Memory modules ■ RTC battery ■ Optical drive ■ WLAN module Discrete graphics subsystem memory 9 9 UMA graphics subsystem memory 9 9 9 9 1-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 12
: TouchPad is disabled. (2) TouchPad* 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) TouchPad the device representing your computer, and select Mouse settings. Maintenance and Service Guide 2-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 13
drive or optical drive is being accessed. *The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The power light on the front of the computer is visible whether the computer is open or closed. 2-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 14
, 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 changing factory settings, refer to the user guides located in Help and Support. Maintenance and Service Guide 2-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 15
on an external numeric keypad. Displays a shortcut menu for items beneath the pointer. Execute volume mute, volume up, or volume down when pressed in combination with the fn key. Execute frequently used system functions when pressed in combination with the fn key. 2-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 16
webcam light (select models only) Integrated webcam (select models only) Description Turns off the display if the display is closed while the computer is turned on. Records sound. On: The integrated webcam is in use. Records video and captures still photographs. Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 17
is not plugged into an external power source, the light stays off until the battery reaches a low battery level. Blinking: The hard drive or optical drive is being accessed. Connects an optional speakers, headphones, ear buds, a headset, or television audio. 2-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 18
automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Maintenance and Service Guide 2-7 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 19
: The optical drive is being accessed. Reads and writes to optical discs. Connect optional USB devices. Connects a modem cable. Connects an AC adapter. 2-8 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 20
high-definition television, or any compatible digital or audio component. Connects an optional USB device. On: A digital card is being accessed. Supports the following optional digital card formats: ■ Memory Stick (MS) ■ Memory Stick Pro (MSP) ■ MultiMediaCard (MMC) ■ Secure Digital (SD) Memory Card - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 21
from the battery bay. Holds the battery. Enable airflow to cool internal components. ✎ 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. 2-10 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 22
notices, refer to the section of Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. Maintenance and Service Guide 2-11 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 23
(1) Power cord* Connects an AC adapter to an AC outlet. (2) AC adapter Converts AC power to DC power. (3) Battery* Powers the computer when the computer is not plugged into external power. *Batteries and power cords vary in appearance by country or region. 2-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 24
product. This number provides specific information about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. This number - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 25
Illustrated parts catalog Computer major components 3-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 26
580763-001 14.1-in WXGA BrightView display with a webcam/microphone for models with discrete graphics subsystems 580764-001 14.1-in WXGA BrightView display with a microphone for models page 3-9 for Plastics Kit spare part information) 498322-001 (Continued) Maintenance and Service Guide 3-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 27
, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe Spare Part Number 486842-001 486843-001 518434-002 (Continued) 3-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 28
, Tuvalu, Uganda, Ukraine, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 504593-004 (Continued) Maintenance and Service Guide 3-5 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 29
, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 518436-002 Mini Card bracket (not illustrated) 577509-001 Power connector and cable 486864-001 (Continued) 3-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 30
GT/s HyperTransport speed) AMD Sempron X2 Single-Core M100 processor (2.0-GHz, 512-KB L2 cache, 3.2 GT/s HyperTransport speed) Bluetooth module (select models only) Bluetooth module cable Battery 6-cell Li-Ion (2.2-Ah 576251-001 537921-001 575285-001 484170-001 Maintenance and Service Guide 3-7 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 31
includes rubber screw covers and LCD rubber pads) Internal display switch (not illustrated) Spare part number 580767-001 580768-001 486737-001 487287-001 487351-001 486736-001 517629-001 502979-001 489066-001 487284-001 486735-001 486730-001 487283-001 489862-001 3-8 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 32
Plastics Kit Illustrated parts catalog Item (1) (2) (3) Description Plastics Kit: Hard drive cover (includes two captive screws) Memory module compartment cover Mini Card compartment cover Spare part number 498322-001 Maintenance and Service Guide 3-9 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 33
-Layer Drive Spare part number 497775-001 573330-001 459611-004 575567-001 454605-002 580846-001 454925-002 482158-001 573728-001 573727-011 3-10 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 34
parts Description AC adapters 90-W PFC HP Smart Adapter 65-W PFC HP Smart Adapter Power cords For use screws Phillips PM2.0 × 10.0 captive screws Phillips PM2.0 × 4.0 screws Phillips PM2.0 × 3.0 screws Phillips PM2.0 × 2.0 screws Maintenance and Service Guide Illustrated parts catalog Spare part - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 35
enclosure Webcam/microphone module (select models only) Screw Kit Keyboard cover (includes power button board and cable) Top cover (includes TouchPad and cable) Audio board 14.1-in WXGA TFT BrightView display panel (includes display panel cable) (Continued) 3-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 36
modem module Wireless antenna transceivers and cable for models with equipped UMA graphics subsystem Internal display switch Power cord for use in the United States Power cord for use in Australia except Australia and New Zealand (select models only) (Continued) Maintenance and Service Guide 3-13 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 37
, Turkey, Turkmenistan, Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe (Continued) 3-14 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 38
models with discrete graphics subsystems 14.1-in WXGA BrightView display with a webcam/microphone module for models with UMA graphics subsystems 14.1-in WXGA BrightView display with a webcam/microphone module for models with UMA graphics subsystems (Continued) Maintenance and Service Guide 3-15 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 39
-001 Description Display bezel for models with a microphone module Display bezel for models with a webcam/microphone module 160-GB, 7200-rpm hard drive (includes bracket) AMD Turion Dual-Core M520 processor (2.3-GHz, 1-MB L2 cache, 3.6 GT/s HyperTransport speed) 3-16 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 40
parts Ä CAUTION: Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors Ä CAUTION: When servicing the computer, be sure that cables - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 41
touching pins, leads, and circuitry. Handle electronic components as little as possible. ■ If you remove a component, place it in an electrostatic-safe container. 4-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 42
from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box 10% 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 inserting or removing connectors or test equipment. Maintenance and Service Guide 4-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 43
wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against the skin at mats Voltage protection level 1,500 V 7,500 V 5,000 V 4-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 44
product. This number provides specific information about the product's hardware components. The part number helps a service technician to determine what components and parts are needed. This is the alphanumeric identifier used to locate documents, drivers, and support for the computer. This number - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 45
Removal and replacement procedures Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 486863-001. There are 6 rubber feet that attach to the base enclosure in the locations illustrated below. 4-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 46
the battery 2 upward and lift it out of the computer 3. To insert the battery, insert the rear edge of the battery into the battery bay and pivot the front edge downward until the battery is seated. The battery release latch automatically locks the battery into place Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 47
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the hard drive: 1. Position the computer with the front toward you. included in the Plastics Kit, spare part number 498322-001. 4-8 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 48
drive. b. Lift the bracket 2 straight up to remove it from the hard drive. Reverse this procedure to reassemble and install the hard drive. Maintenance and Service Guide 4-9 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 49
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the hard drive cover (see "Hard drive" on page 4-8). Remove in the Plastics Kit, spare part number 498322-001. 4-10 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 50
angle. ✎ Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. Maintenance and Service Guide 4-11 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 51
" on page 4-7). Remove the RTC battery: 1. Loosen the two Phillips PM2.5×5.0 captive screws 1 that secure the Mini Card compartment cover to the computer. 2. Lift the right side of the Mini Card compartment cover 2, swing it to the left, and remove the cover 3. 4-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 52
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 3. Removal and replacement procedures Reverse this procedure to install the RTC battery. Maintenance and Service Guide 4-13 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 53
, Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 518437-002 (Continued) 4-14 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 54
United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 518436-002 Mini Card bracket 577509-001 Maintenance and Service Guide 4-15 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 55
support through Help and Support. 1. Remove the RTC battery (see "RTC battery" on page 4-12). 2. Position the computer with the front toward you. 3. Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module. ✎ The black into the WLAN module slot. 4-16 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 56
1 that secure it to the base enclosure. 7. Lift the bracket 2 straight up to remove it. Reverse this procedure to install the WLAN module. Maintenance and Service Guide 4-17 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 57
support through Help and Support. 1. Remove the hard drive cover (see "Hard drive" on page 4-8). 2. Position the computer with the front toward you. 3. Disconnect the WLAN antenna cables 1 from the terminals on the WLAN module. ✎ The black the WLAN module slot. 4-18 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 58
1 that secure it to the base enclosure. 7. Lift the bracket 2 straight up to remove it. Reverse this procedure to install the WLAN module. Maintenance and Service Guide 4-19 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 59
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). Remove the optical drive: 1. Position the computer with the right side toward you procedure to reassemble and install an optical drive. 4-20 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 60
and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the hard drive cover (see "Hard drive" on page 4-8). 6. Remove the Mini Card compartment cover (see "RTC battery" on page 4-12). 7. Remove the optical drive (see "Optical drive" on - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 61
Removal and replacement procedures 2. Turn the computer display-side up with the front toward you. 3. Open the computer as far as possible. 4. Lift the rear edge 1 of the keyboard 2 back until the tabs on the bottom of the keyboard are clear of the keyboard cover. 4-22 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 62
cable is attached, and then disconnect the keyboard cable 2 from the system board. 7. Remove the keyboard. Reverse this procedure to install the keyboard. Maintenance and Service Guide 4-23 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 63
drive bay, the Phillips PM2.5×5.0 screw 2 from the hard drive bay, and four Phillips PM2.0×3.0 screws 3 from the battery bay. 2. From the base enclosure rear corners, remove the two Phillips PM2.5×10.0 screws 4 that secure the keyboard cover to the computer. 4-24 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 64
Removal and replacement procedures 3. Turn the computer display-side up, with the front toward you. 4. Open the computer as far as possible. 5. Remove the Phillips remove the keyboard cover 3 from the computer. Reverse this procedure to install the keyboard cover. Maintenance and Service Guide 4-25 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 65
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard drive cover (see "Hard drive" on for the num lock cable 2 from the system board. 4-26 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 66
Removal and replacement procedures 3. Remove the two Phillips PM2.5×3.0 screws 1 that secure the speaker assembly to the computer. 4. Lift the speaker assembly 2 straight up to remove it from the computer. Reverse this procedure to install the speaker assembly. Maintenance and Service Guide 4-27 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 67
display with a microphone module for models with UMA graphics subsystems 580765-001 14.1-in WXGA BrightView display with a webcam /microphone module for models with UMA graphics subsystems 580766-001 Before removing the display battery (see "Battery (see "RTC battery" on page - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 68
top cover. 6. Disconnect the microphone cable from the system board 2. Ä CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. Maintenance and Service Guide 4-29 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 69
bezel or any of the display assembly internal components, remove the Mylar screw covers 1 and the two Phillips PM2.5×5.0 screws 2 on the display bezel lower edge.The display rubber screw covers are included in the Display Rubber Kit, spare part number 487283-001. 4-30 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 70
in the display enclosure as far as the display panel cable and the backlight cable will allow. 13. Disconnect the display panel cable 2 and the backlight cable 3 from the display inverter. The display inverter is available using spare part number 486736-001. Maintenance and Service Guide 4-31 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 71
steps: a. Peel back the plastic 1 that covers the cable. b. Remove the tape 2 that secures the cable to the display. c. Unplug the cable 3 from the display. d. Remove the cable from the display 4. The display cable is available using spare part number 486735-001. 4-32 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 72
models with discrete graphics subsystems, and spare part number 489066-001 for models with UMA graphics subsystems. Reverse this procedure to reassemble and install the display assembly. Maintenance and Service Guide 4-33 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 73
from the display enclosure as the webcam/microphone module cable allows. 2. Disconnect the webcam/microphone module cable 2 from the webcam/microphone module. 3. Remove the webcam/microphone module. Reverse this procedure to install the webcam/microphone module. 4-34 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 74
display enclosure. 2. Release the microphone receiver 2 from the display enclosure. The microphone receiver is secured by two-sided tape. 3. Remove the microphone cable 3 and receiver from the display enclosure. Reverse this procedure to install the microphone module. Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 75
from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the "Speaker assembly" on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) Remove the 10.0 screws 2 Two Phillips PM2.5×5.0 screws 3 Two Phillips PM2.0×3.0 screws 4-36 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 76
edge of the top cover until it releases from the base 2. 7. Remove the top cover 3. Reverse this procedure to install the top cover. Maintenance and Service Guide 4-37 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 77
then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard " on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) i. Top cover (see "Top cover" on page 4-36) 4-38 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 78
Bluetooth module. 4. Release the tape 3 that secures cable. 5. Remove Bluetooth module and cable 4. Reverse this procedure to install the Bluetooth module and cable. Maintenance and Service Guide 4-39 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 79
then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard " on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) i. Top cover (see "Top cover" on page 4-36) 4-40 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 80
. ✎ When replacing the modem module, be sure that the connector on the bottom of the modem module connects firmly to the system board. Maintenance and Service Guide 4-41 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 81
then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard " on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) i. Top cover (see "Top cover" on page 4-36) 4-42 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 82
out of the openings in the base enclosure and remove the audio board and cable. Reverse this procedure to install the audio board. Maintenance and Service Guide 4-43 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 83
then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard " on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) i. Top cover (see "Top cover" on page 4-36) 4-44 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 84
Removal and replacement procedures Remove the USB board and cable: 1. Turn the computer display-side up, with the right side toward you. 2. Disconnect the USB board cable 1 from the system it from the computer. Reverse this procedure to install the USB board. Maintenance and Service Guide 4-45 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 85
then unplugging the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the following components: a. Hard " on page 4-26) h. Display assembly (see "Display assembly" on page 4-28) i. Top cover (see "Top cover" on page 4-36) 4-46 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 86
into the base enclosure. The power connector is secured by two-sided tape. Reverse this procedure to install the power connector and cable. Maintenance and Service Guide 4-47 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 87
page 4-8) b. Memory module (see "Memory module" on page 4-10) c. RTC battery (see "RTC battery" on page 4-12) d. WLAN module (see "WLAN module" on on page 4-26) i. Display assembly (see "Display assembly" on page 4-28) j. Top cover (see "Top cover" on page 4-36) 4-48 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 88
"Fan/heat sink assembly or heat sink" on page 4-52) ■ Processor (see "Processor" on page 4-57) Remove the system board: 1. Turn the computer display-side up. 2. Position the computer with the right side toward you. 3. Disconnect the following cables from the system board: 1 Modem cable 2 Audio board - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 89
Removal and replacement procedures 4. Disconnect the power connector cable. 5. Remove the two Phillips PM2.5×5.0 screws that secure the system board to the base enclosure. 4-50 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 90
enclosure. The RJ-II connector and cable are available using spare part number 494981-001. Reverse this procedure to install the system board. Maintenance and Service Guide 4-51 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 91
battery conservation configurations, battery computer. 4. Remove the battery (see "Battery" on page 4-7). 5. "Memory module" on page 4-10) c. RTC battery (see "RTC battery" on page 4-12) d. WLAN see "Speaker assembly" on page 4-26) i. Display assembly (see "Display assembly" on page 4-28) j. Top cover - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 92
with graphics subsystems with UMA memory. 2. Disconnect the fan cable 1. 3. Loosen the four captive Phillips PM2.0×10.0 screws 2 that secure the fan/heat sink assembly to the system board. 4. Remove the fan/heat sink from side to side to detach the assembly. Maintenance and Service Guide 4-53 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 93
apply to computer models equipped with graphics subsystems with discrete memory. 5. Loosen the four captive Phillips PM2.0×10.0 screws 1 that secure the heat sink assembly to the system board. 6. Remove the heat sink assembly side to side to detach the assembly. 4-54 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 94
included with all system board, fan/heat sink assembly, and processor spare parts. Reverse this procedure to install the fan/heat sink assembly. Maintenance and Service Guide 4-55 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 95
page 4-10) c. RTC battery (see "RTC battery" on 4-26) i. Display assembly (see "Display assembly" on page black Phillips PM2.5×5.0 screws 1 that secure the fan to the computer. 3. Lift the fan from the base enclosure 2. Reverse this procedure to install the fan. 4-56 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 96
AMD Turion Ultra Dual-Core 35W M600 processor (2.4-GHz, 2-MB L2 cache, 3.6 GT/s HyperTransport speed) AMD AMD Athlon X2 Dual-Core 35W M300 processor (2.0-GHz, 1-MB L2 cache, 3.2 GT/s HyperTransport speed) AMD battery (see "Battery 10) c. RTC battery (see "RTC battery Display assembly (see "Display - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 97
triangle 3 on the processor must be aligned with the triangle 4 embossed on the processor socket. Reverse this procedure to install the processor. 4-58 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 98
Windows message is displayed in the lower-left corner of the screen, press f10 displayed, press enter. 5. To save your change and exit Setup Utility, use the arrow keys to select Exit > Exit Saving Changes, and then press enter. Your change goes into effect immediately. Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 99
in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke the "Press the ESC key for Startup Menu" message is displayed in the lower-left corner of the screen, press f10. - or - Open Setup Utility by turning Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 100
esc to return to the menu display. Then use the arrow keys to to the menu display. Then use the arrow keys , the computer restarts in Windows. Setup Utility menus The menu chapter may not be supported by your computer. specification information about the processor, memory size, system BIOS - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 101
Utility System Configuration menu Select Language Support Button Sound (select models only for the f9 and f10 functions of Setup Utility in intervals of 5 seconds each (0, 5, 10, 15, 20). ■ CD-ROM boot-Enable/disable boot from CD-ROM. ■ Floppy boot system memory. 5-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 102
6 Specifications Computer specifications Metric U.S. 10,000 ft Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 103
U.S. 30.37 cm 18.98 cm 35.82 cm More than 262,144 More than 300:1 200 nits (typical) 11.96 in 7.47 in 14.10 in 0.2373 × 0.2373 mm 1280 × 800 RGB vertical stripe Edge lit 80 × 25 5.2 W ±40° horizontal, +15°/-35° vertical (typical) 6-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 104
60°C (32°F to 140°F) *1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications may differ slightly. ✎ Certain restrictions and exclusions apply. Contact technical support for details. Maintenance and Service Guide 6-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 105
specifications 4X - DVD-R Dual Layer 5X DVD-RAM Max media capacity (read) Max media 10,800 KB/sec 18,000 KB/sec 1,200 KB/sec 1,500 KB/sec 10,800 KB/sec 10,800 KB/sec 10,800 KB/sec 8,100 KB/sec 5,400 KB/sec 5,400 KB/sec 6,750 KB/sec 50.0 GB 8.5 GB Tray loading 6-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 106
with LightScribe specifications Specifications Applicable disc RAM, LightScribe DVD < 160 ms 3,600 KB/sec 10,800 KB/sec 3,600 KB/sec 2,400 KB/sec 10,800 KB/sec 10,800 KB/sec 10,800 KB/sec 8,100 KB/sec 5,400 KB/sec 5,400 KB/sec 6,750 KB/sec 8.5 GB 8.5 GB Tray loading Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 107
Filter Driver AMD PCI Express(3GIO) Filter Driver ATI Mobility Radeon HD 4330 Series PCI standard PCI-to-PCI bridge AMD PCI Express(3GIO) Filter Driver Realtek RTL8102E/RTL8103E Family PCI-E Fast Ethernet NIC (NDIS 6.20) PCI standard PCI-to-PCI bridge (Continued) 6-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 108
bytes 128 MB 4 KB 4 KB 2 MB Specifications F0010000 - F0010FFF Realtek RTL8102E/RTL8103E Family PCI-E Fast Series AMD PCI Express(3GIO) Filter Driver FEC00000 - FEC00FFF Motherboard resources FEE00000 - FEE00FFF Motherboard resources FFE00000 - FFFFFFFF System Board Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 109
PCI standard PCI-to-PCI bridge AMD M880G with ATI Mobility Radeon HD 4200 High Definition Audio Controller High Definition Audio Controller Standard OpenHCD USB Host Controller Standard OpenHCD USB Host Controller Standard OpenHCD USB Host Controller (Continued) 6-8 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 110
AMD PCI Express(3GIO) Filter Driver FEC00000 - FEC00FFF Motherboard resources FEE00000 - FEE00FFF Motherboard resources FFE00000 - FFFFFFFF System Board System interrupt specifications Controller ATI Mobility Radeon HD 4330 Series Microsoft ACPI-Compliant System Maintenance and Service Guide 6-9 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 111
Audio Controller PCI standard PCI-to-PCI bridge Realtek PCIe FE Family Controller Standard Enhanced PCI to USB Host Controller Standard AHCI 1.0 Serial ATA Controller AMD M880G with ATI Mobility Radeon HD 4200 Microsoft ACPI-Compliant System 6-10 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 112
bridge ATI Mobility Radeon HD 4330 Series PCI standard PCI-to-PCI bridge Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources (Continued) Maintenance and Service Guide 6-11 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 113
Specifications C6C - C6C C6F - C6F CD0 - CDB 0D00 - FFFF 2000 - 20FF 2000 - 2FFF 3000 - 30FF 3000 - 3FFF 4010 - 401F 4030 - 4037 4038 - 403F 4048 - 404B 404C - 404F Motherboard resources Motherboard resources Motherboard resources AMD PCI Express(3GIO) Filter Driver Realtek RTL8102E/RTL8103E Family - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 114
Radeon HD 4200 PCI standard PCI-to-PCI bridge Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources Motherboard resources (Continued) Maintenance and Service Guide 6-13 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 115
Specifications C6F - C6F CD0 - CDB 0D00 - FFFF 2000 - 20FF 2000 - 2FFF 3000 - 30FF 3000 - 3FFF 4010 - 401F 4030 - 4037 4038 - 403F 4048 - 404B 404C - 404F Motherboard resources Motherboard resources AMD PCI Express(3GIO) Filter Driver 1.0 Serial ATA Controller 6-14 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 116
are available in the Screw Kit, spare part number 487298-001. Phillips PM2.0×3.0 broadhead screw Color Black Quantity 1 Length 3.0 mm Thread 2.0 mm Head diameter 7.0 mm Where used: One broadhead screw that secures the keyboard cover to the base enclosure. Maintenance and Service Guide 7-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 117
Screw listing Phillips PM2.0×3.0 screw Color Black Quantity 16 Length 3.0 mm Thread 2.0 mm Where used: Four screws that secure the keyboard cover to the base enclosure. Head diameter 4.6 mm 7-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 118
Where used: Two screws that secure the top cover to the base enclosure. Screw listing Where used: Eight screws that secure the display panel hinges and brackets to the display panel. Maintenance and Service Guide 7-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 119
Screw listing Phillips PM2.0×4.0 screw Color Black Quantity 7 Length 4.0 mm Thread 2.0 mm Where used: Two screws that secure the WLAN module to the base enclosure. Head diameter 4.6 mm 7-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 120
Screw listing Where used: Two screws that secure the modem module (select models only) to the system board. Where used: Three screws that secure the hard drive to the base enclosure. Maintenance and Service Guide 7-5 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 121
Screw listing Phillips PM2.0×10.0 captive screw Color Black Quantity 4 Length 10.0 mm Thread 2.0 mm Head diameter 5.0 mm Where used: Four captive screws (secured by C-clips) secure the heat sink to the system board for models with UMA graphics subsystems. 7-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 122
PM2.5×3.0 screw Screw listing Color Black Quantity 8 Length 3.0 mm Thread 2.5 mm Where used: One screw that secures the power button board to the keyboard cover. Head diameter 5.5 mm Where used: Two screws that secure the speakers to the top cover. Maintenance and Service Guide 7-7 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 123
listing Where used: Two screws that secure the wireless antenna transceivers and cables to the display enclosure. Where used: Two screws that secure the audio board to the base enclosure. Where used: One screw that secures the USB board to the base enclosure. 7-8 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 124
Phillips PM2.5×4.0 screw Screw listing Color Black Quantity 2 Length 4.0 mm Thread 2.5 mm Head diameter 5.5 mm Where used: Two screws that secure the Mini Card that secure the Mini Card bracket to the base enclosure for models with UMA graphics subsystems. Maintenance and Service Guide 7-9 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 125
Screw listing Phillips PM2.5×5.0 screw Color Silver Quantity 16 Length 5.0 mm Thread 2.5 mm Where used: One screw that secures the keyboard cover to the base enclosure. Head diameter 5.5 mm 7-10 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 126
Where used: Six screws that secure the display panel to the display enclosure. Screw listing Where used: One screw that secures the optical drive to the base enclosure. Maintenance and Service Guide 7-11 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 127
Screw listing 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. 7-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 128
Where used: Two screws that secure the system board to the base enclosure. Screw listing Where used: Two screws that secure the fan to the base enclosure for models with UMA graphics subsystems. Maintenance and Service Guide 7-13 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 129
Screw listing Phillips PM2.5×5.0 captive screw Color Black Quantity 4 Length 5.0 mm Thread 2.5 mm Head diameter 5.5 mm Where used: Four captive screws (secured by C-clips) that secure the hard drive and Mini Card compartment covers to the base enclosure. 7-14 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 130
Phillips PM2.5×6.0 screw Screw listing Color Black Quantity 7 Length 6.0 mm Thread 2.5 mm Where used: Two screws that secure the top cover to the base enclosure. Head diameter 5.5 mm Maintenance and Service Guide 7-15 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 131
Screw listing Where used: Four screws that secure the display assembly to the base enclosure. Where used: One screw that secures the keyboard cover to the base enclosure. 7-16 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 132
Phillips PM2.5×7.0 captive screw Screw listing Color Black Quantity 1 Length 7.0 mm Thread 2.5 mm Head diameter 5.5 mm Where used: One captive screw (secured by C-clips) that secure the memory module compartment cover to the base enclosure. Maintenance and Service Guide 7-17 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 133
Phillips PM2.5×10.0 screw Color Black Quantity 5 Length 10.0 mm Thread 2.5 mm Where used: Three screws that secure the top cover to the base enclosure. Head diameter 5.5 mm Where used: Two screws that secure the keyboard cover to the base enclosure. 7-18 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 134
Phillips PM2.5×17.0 screw Screw listing Color Black Quantity 3 Length 17.0 mm Thread 2.5 mm Where used: Three screws that secure the keyboard to the base enclosure. Head diameter 5.5 mm Maintenance and Service Guide 7-19 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 135
Screw listing Phillips PM3.0×3.0 screw Color Silver Quantity 4 Length 3.0 mm Thread 3.0 mm Where used: Four screws that secure the hard drive bracket to the hard drive Head diameter 5.0 mm 7-20 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 136
discs to recover your operating system and software. To check for the presence of a recovery partition, click Start, right-click Computer, click Manage, and then click Disk Management. If the partition is present, an HP Recovery drive is listed in the window. Maintenance and Service Guide 8-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 137
you open Recovery Manager, you will be prompted to continue the disc creation process. To create a set of recovery discs: 1. Select Start > All Programs > Recovery Manager > Recovery Disc Creation. 2. Recover Manager opens. 3. Follow the on-screen instructions. 8-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 138
points using the Windows® System Restore feature screen and paste it into a word-processing document, follow these steps: 1. Display the screen. 2. Copy the screen: To copy only the active window, press alt+fn+prt sc. To copy the entire screen reduces the number of recovery discs required. ■ When - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 139
on-screen instructions to set up and create a backup. ✎ Windows® Support for more information. Using system restore points When you back up your system, you are creating a system restore point. A system restore point allows you to save and name a snapshot of your hard drive at a specific Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 140
System Protection tab. 4. Click System Restore. 5. Follow the on-screen instructions. Performing a recovery ✎ You can recover only files that you have previously backed up. HP recommends that you use HP Recovery Manager to create a set of recovery discs (entire drive backup) as soon as you set up - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 141
the ESC key for Startup Menu" message is displayed at the bottom of the screen. Then, press f11 while the "Press for recovery" message is displayed on the screen. 2. Click System Recovery in the Recovery Manager window. 3. Follow the on-screen instructions. 8-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 142
Audio-in (microphone) 9 Connector pin assignments Pin 1 2 3 Audio-out (headphone) Signal Audio signal in Audio signal in Ground Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Maintenance and Service Guide 9-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 143
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 9-2 Maintenance and - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 144
HDMI Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Connector pin assignments Signal data 0TDMS clock + TDMS data clock shield TDMS data clockConsumer electronics control Not connected Display data channel (DDC) clock DDC data Ground +5V Power Hot plug detect Maintenance and Service Guide 9-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 145
Connector pin assignments RJ-11 (modem) (select models only) Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused 9-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 146
RJ-45 (network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused Connector pin assignments Maintenance and Service Guide 9-5 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 147
Connector pin assignments Universal Serial Bus Pin Signal 1 +5 VDC 2 Data 3 Data + 4 Ground 9-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 148
10 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power for mating with the appliance inlet on the back of the computer. Maintenance and Service Guide 10-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 149
Power cord set requirements Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 for evaluation in the country or region where it will be used. 10-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 150
liquid crystal display (LCD) panel 2. ✎ The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. Maintenance and Service Guide 11-1 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 151
screws 2 that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. 11-2 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 152
1 that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly 2 from the display enclosure. 7. Turn the display panel assembly upside down. 8. Remove all screws that secure the display panel frame to the display panel. Maintenance and Service Guide 11-3 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 153
secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. 11-4 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 154
backlight frame from the display panel. Å WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Remove the backlight from the backlight frame. Maintenance and Service Guide 11-5 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 155
screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel. 23. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 11-6 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 156
3-7, 3-15, 4-38 Maintenance and Service Guide Index Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive precautions 4-2 removal 4-20 spare part numbers 3-15, 4-20 specifications 6-4 boot options 5-4 boot order 5-4 bottom components 2-10 button components 2-3 button sound 5-4 buttons - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 157
Kit, spare part numbers 3-7, 3-10, 3-12, 4-8 hard drive self test 5-4 HDMI port connector pinout 9-3 illustrated 2-9 headphone jack connector pinout 9-1 location 2-6 heat sink removal 4-52 spare part numbers 3-3, 3-15 hinge removal 4-33 spare part numbers 3-8, 3-12 Maintenance and Service Guide - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 158
num lock 2-2 optical drive 2-8 power 2-2, 2-6 TouchPad 2-1 webcam 2-5 wireless 2-2 M Main menu, Setup Utility 5-3 major components, spare part numbers 3-2 mass storage devices, spare part numbers 3-10 Maintenance and Service Guide Index memory module removal 4-10 spare part numbers 3-7, 3-12, 3-13 - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 159
system 8-1, 8-5 programs or drivers 8-1 using the recovery discs 8-6 using the recovery partition 8-6 recovery discs creating 8-2 defined 8-1 performing a recovery 8-6 Recovery Manager 8-1 recovery partition defined 8-1 performing a recovery 8-6 recycling battery 11-1 display components 11-1 removal - Compaq Presario CQ41-100 | Compaq Presario CQ41 Notebook PC - Maintenance and Se - Page 160
Configuration menu, Setup Utility 5-4 system DMA specifications 6-6 system I/O address specifications 6-11, 6-13 system information 5-3 system interrupt specifications 6-9, 6-10 system memory map specifications 6-6, 6-8 system recovery 8-1 system restore points 8-1, 8-3, 8-4 T tools required 4-1 top
Compaq Presario CQ41 Notebook PC
Maintenance and Service Guide
Document Part Number: 581860-001
September 2009
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.