Compaq PRESARIO CQ56 User Manual

Compaq Presario CQ56 Notebook
PC and HP G56 Notebook PC
Maintenance and Service Guide
SUMMARY
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.

Compaq PRESARIO CQ56 Specifications

General

RAM	Up to 8 GB DDR3
Operating System	Windows 7 Home Premium
Battery	6-cell Lithium-Ion
Optical Drive	DVD±RW
Wireless	802.11b/g/n
Display	15.6-inch, 1366 x 768 pixels
Graphics	AMD Radeon HD 4250
Weight	2.5 kg
Ports	3 x USB 2.0, 1 x VGA
Processor	AMD V-Series V140

Summary

Product Description

External Component Identification

Identifies and describes the external parts of the computer.

Illustrated Parts Catalog

Lists and describes various computer parts with their spare numbers.

Removal and Replacement Procedures

Preliminary Replacement Requirements

Outlines essential tools, considerations, and precautions before servicing.

Cables and Connectors

Guidelines for handling and routing cables during service.

Drive Handling

Precautions for handling fragile drive components.

Grounding Guidelines

Explains electrostatic discharge (ESD) and prevention methods.

Packaging and Transporting Guidelines

Procedures for safely packaging and transporting equipment.

Workstation Guidelines

Recommendations for setting up a safe workstation.

Equipment Guidelines

Lists recommended grounding equipment for ESD prevention.

Service Tag

How to identify the computer using its service tag for parts.

Computer Feet

Instructions for removing and replacing computer feet.

Battery

Step-by-step guide for removing and installing the battery.

Hard Drive

Detailed steps for removing and replacing the hard drive.

Optical Drive

Instructions for removing and replacing the optical drive.

WLAN Module

Steps to remove and replace the wireless LAN module.

Memory Module

Guide for removing and installing memory modules.

Keyboard

Procedure for removing and replacing the keyboard.

Top Cover

Steps to remove and replace the top cover assembly.

Speaker Assembly

Instructions for removing and installing the speaker assembly.

Power Button Board

Guide for removing and replacing the power button board.

TouchPad Button Board

Steps to remove and replace the TouchPad button board.

USB Board

Procedure for removing and replacing the USB board.

Power Connector

Instructions for removing and replacing the power connector cable.

Display Assembly

Detailed steps for removing the display assembly.

System Board

Guide for removing and replacing the system board.

RTC Battery

Steps for removing and replacing the Real-Time Clock battery.

Fan/Heat Sink Assembly

Instructions for removing and installing the fan/heat sink.

Processor

Guide for removing and replacing the CPU.

Setup Utility

Computer Setup

Introduction to the computer setup utility.

Starting Setup Utility

How to access and launch the setup utility.

Using Setup Utility

Explains how to navigate and use the setup utility features.

Setup Utility Menus

Overviews of the different menus within the setup utility.

Specifications

Computer Specifications

Detailed specifications including dimensions, power, temperature, and humidity.

39.6-cm (15.6-in) Display Specifications

Technical details of the computer's display panel.

Hard Drive Specifications

Technical specifications for various hard drive models.

DVD±RW SuperMulti Double-Layer Drive with LightScribe Specifications

Technical details of the optical drive's read/write capabilities.

Backup and Recovery

Windows 7 Backup and Recovery

Covers backing up data, system recovery, f11, and Windows 7 DVD recovery.

Linux Backup and Recovery

Procedures for backing up and recovering data on Linux systems.

Power Cord Set Requirements

Requirements for All Countries or Regions

General requirements for power cords globally.

Requirements for Specific Countries or Regions

Country-specific power cord certifications.

Recycling

Battery

Disposal guidelines for used computer batteries.

Display

Disassembly instructions for display recycling.