Compaq 470007-802 Deskpro EN Series of Personal Computers Maintenance and Serv - Page 9

3.2 Routine Care ...3-4 3.2.1 General Cleaning Safety Precautions 3-4 3.2.2 Cleaning the Computer Case 3-4 3.2.3 Cleaning the Keyboard 3-5 3.2.4 Cleaning the Monitor 3-5 3.2.5 Cleaning the Mouse 3-5 3.3 Service Considerations...3-6 3.3.1 Power Supply Fan 3-6 3.3.2 Tools and Software Requirements 3-6 3.3.3 Screws...3-6 3.3.4 Cables and Connectors 3-7 3.3.5 Hard Drives ...3-7 3.3.6 Lithium Coin Cell Battery 3-7 chapter 4 Removal and Replacement Procedures 4.1 Disassembly Sequence Chart 4-1 4.2 Disassembly Preparation 4-2 4.3 Feet Installation...4-3 4.4 Logo Plate ...4-3 4.5 Cable Lock ...4-4 4.6 Access Panel ...4-5 4.7 Front Bezel...4-6 4.8 Power Button...4-7 4.9 Subpanel and Bezel Blanks 4-8 4.10 Power Switch ...4-9 4.11 Mass Storage Devices 4-10 4.11.1 Removing an Internal 3.5-Inch Hard Drive 4-12 4.11.2 Removing an External 5.25-Inch Drive 4-14 4.11.3 Removing an External 3.5-Inch Drive 4-16 4.12 Removing the Drivelocks 4-18 4.13 Expansion Boards ...4-21 4.13.1 Expansion Board Slots 4-21 4.13.2 Removing a PCI Expansion Board 4-22 4.13.3 Installing a PCI Expansion Board 4-23 4.14 Board Guide ...4-25 4.15 Internal Speaker ...4-26 4.16 System Memory ...4-27 4.16.1 DIMMs ...4-27 4.16.2 Memory Module Installation 4-27 4.17 Graphics Cards...4-29 4.17.1 Graphics Performance Accelerator (GPA)/AGP Inline Memory Module (AIMM) Card with a Type I Retention Mechanism 4-29 4.17.2 AGP Card with a Type I Retention Mechanism 4-32 4.17.3 GPA/AIMM Card with a Type 2 Retention Mechanism 4-33 4.17.4 AGP Card with a Type 2 Retention Mechanism 4-34 4.17.5 Standard AGP Expansion Card 4-35 4.18 Processor ...4-36 4.19 System Board ...4-37 4.20 Battery...4-38 4.21 Chassis Fan Assembly 4-39 4.22 Power Supply ...4-40 4.23 Converting a Desktop to a Minitower 4-41 4.24 Converting a Minitower to a Desktop 4-43 iv Contents