HP CQ41-225AU manual Keyboard cover, Optical drive see Optical drive on Keyboard see Keyboard on

Page 63

Removal and replacement procedures

Keyboard cover

Description

Spare part number

 

 

Keyboard cover (includes power button board and cable)

487299-001

 

 

Before removing the keyboard cover, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the 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 page 4-8)

b.Mini Card compartment cover (see “RTC battery” on page 4-12)

c.Optical drive (see “Optical drive” on page 4-20)

d.Keyboard (see “Keyboard” on page 4-21)

Remove the keyboard cover:

1.Remove the Phillips PM2.0×3.0 broadhead screw 1 from the optical 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

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Contents Compaq Presario CQ41 Notebook PC Maintenance and Service GuidePage Safety warning notice Contents Removal and replacement procedures Setup Utility 11Recycling Panel Product descriptionChipset GraphicsAudio Hard driveOptical drive MicrophoneExternal media Operating system ServiceabilityComponent Description External component identificationTop components TouchPadLights Buttons and speakers System and Security Power OptionsKeys Component Description Esc keyFn key Display Front components Rear component Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Illustrated parts catalog Service tagComputer major components Fan for models with UMA graphics subsystems Item DescriptionIllustrated parts catalog Description Spare Part Number Power connector and cable Base enclosure Audio boardAudio board cable Display assembly Item Description Spare part number Plastics Kit 498322-001 Plastics KitItem Description Spare part number Mass storage devicesScrew Kit Power cordsMiscellaneous parts Description Spare part number AC adaptersSpare part Number Description Sequential part number listing510100-001 Spare part Number Description 577509-001 Mini Card bracket Spare part Number Description Tools required Removal and replacement proceduresPreliminary replacement requirements Service considerationsDrive handling Grounding guidelinesPackaging and transporting guidelines Equipment guidelines Service tag Component replacement proceduresComputer feet Battery Hard drive Removal and replacement procedures Memory module Removal and replacement procedures RTC battery Removal and replacement procedures Wlan module 518436-002 Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Optical drive Keyboard Removal and replacement procedures Removal and replacement procedures Optical drive see Optical drive on Keyboard see Keyboard on Keyboard coverRemoval and replacement procedures Speaker assembly Removal and replacement procedures Display assembly Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Webcam/microphone module select models only Microphone module Top cover Removal and replacement procedures Bluetooth module and cable select models only Removal and replacement procedures Modem module Removal and replacement procedures Audio board Removal and replacement procedures USB board Removal and replacement procedures Power connector and cable Removal and replacement procedures System board Removal and replacement procedures Removal and replacement procedures Removal and replacement procedures Fan/heat sink assembly or heat sink Removal and replacement procedures Removal and replacement procedures Reverse this procedure to install the fan/heat sink assembly Fan for models with UMA graphics subsystems Processor Removal and replacement procedures Changing the language of Setup Utility Setup UtilityStarting Setup Utility Using Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup UtilityDisplaying system information Security menu Setup Utility menusExiting Setup Utility Main menuDiagnostics menu System Configuration menuComputer specifications SpecificationsInch display specifications Hard drive specifications Max data transfer rate Access timeApplicable disc Read Write InterfaceMax media capacity read Max media capacity write Transport CD-DA, CD+EG, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XASystem DMA specifications Hardware DMA System functionSize Memory address System function F01FFFFF 8FFFFFFF IRQ22 Hardware IRQ System functionHardware IRQ System function Address hex System function shipping configuration CD0 CDB 01F C6F C6F Motherboard resources Screw listing Phillips PM2.0×3.0 broadhead screwColor Quantity Length Thread Head diameter Black Phillips PM2.0×3.0 screw Screw listing Phillips PM2.0×4.0 screw Screw listing Color Quantity Length Thread Head diameter Black 10.0 mm Phillips PM2.0×10.0 captive screwPhillips PM2.5×3.0 screw Screw listing Phillips PM2.5×4.0 screw Color Quantity Length Thread Head diameter Silver Phillips PM2.5×5.0 screwScrew listing Screw listing Screw listing Phillips PM2.5×5.0 captive screw Phillips PM2.5×6.0 screw Screw listing Phillips PM2.5×7.0 captive screw Phillips PM2.5×10.0 screw Color Quantity Length Thread Head diameter Black 17.0 mm Phillips PM2.5×17.0 screwPhillips PM3.0×3.0 screw Overview Backup and recoveryCreating recovery discs Backing up your information Using system restore points Using Windows Backup and RestoreCreate a system restore point Performing a recoverySelect Start All Programs Recovery Manager Recovery Manager Recovering from the recovery discsAudio-out headphone Connector pin assignmentsPin Signal Audio-in microphoneExternal monitor Hdmi RJ-11 modem select models only RJ-45 network Universal Serial Bus Requirements for all countries and regions Power cord set requirementsCountry/region Accredited agency Applicable note number Requirements for specific countries and regionsBattery RecyclingDisplay Recycling Maintenance and Service Guide 11-3 11-4 Maintenance and Service Guide 11-5 11-6 Index F11 key 8-6fan Esc Index-4 Maintenance and Service Guide Index-5
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CQ41-209AX, CQ41-205AX, CQ41-206AU, CQ41-209AU, CQ41-208AX specifications

The HP CQ41 series, including models CQ41-214AU, CQ41-215AU, CQ41-207AX, CQ41-222AU, and CQ41-218AX, are well-regarded laptops that cater to users looking for reliability and functionality. These laptops are designed with a focus on everyday computing demands, offering a balanced combination of performance, portability, and affordability.

At the core of these models is the AMD processor architecture, featuring options such as the AMD Athlon II and AMD Fusion APUs. These processors are known for their efficiency, providing a satisfactory experience for both general computing tasks and multimedia consumption. The graphics performance is enhanced by integrated AMD Radeon graphics, allowing users to enjoy casual gaming and video playback without the need for a dedicated graphics card.

The display on the CQ41 series is typically a 14-inch diagonal High-Definition (HD) screen, supporting a resolution of 1366 x 768 pixels. This size strikes a balance between portability and usability, making it ideal for both students and professionals. The display is equipped with LED-backlighting, which offers improved brightness and energy efficiency.

In terms of memory and storage, these models generally come with 2GB to 4GB of RAM, ensuring smooth multitasking capabilities for day-to-day applications such as web browsing, word processing, and media playback. The storage options vary, with traditional Hard Disk Drives (HDD) offering capacities from 320GB onward, providing ample space for documents, photos, and software.

Another key feature of the CQ41 series is its connectivity options. These laptops include multiple USB ports, HDMI output, and an SD card reader, facilitating easy connections to peripherals and external displays. The inclusion of Wi-Fi and Bluetooth support ensures that users can stay connected wirelessly, whether at home or on the go.

The battery life of the CQ41 series is commendable, providing several hours of usage on a single charge, which is ideal for users who require mobility. Additionally, the keyboard is designed to be comfortable and user-friendly, making it suitable for extended typing sessions.

Overall, the HP CQ41-214AU, CQ41-215AU, CQ41-207AX, CQ41-222AU, and CQ41-218AX models combine functional design with practical features, making them reliable choices for budget-conscious consumers needing dependable everyday laptops.