Compaq dx2400 Service Reference Guide: HP Compaq dx2400 Business PC - Page 4

Chassis Designation ...18 Microtower (MT) ...18 Electrostatic Discharge Information ...19 Generating Static ...19 Preventing Electrostatic Damage to Equipment 19 Personal Grounding Methods and Equipment 20 Grounding the Work Area 20 Recommended Materials and Equipment 20 Operating Guidelines ...21 Routine Care ...22 General Cleaning Safety Precautions 22 Cleaning the Computer Case 22 Cleaning the Keyboard ...22 Cleaning the Monitor ...23 Cleaning the Mouse ...23 Service Considerations ...23 Power Supply Fan ...23 Tools and Software Requirements 23 Screws ...24 Cables and Connectors ...24 Hard Drives ...24 Lithium Coin Cell Battery 25 6 Removal and Replacement Procedures Microtower (MT) Chassis Serial Number Location ...26 Preparation for Disassembly ...27 External Security Devices ...28 Cable Lock ...28 Padlock ...28 HP Business PC Security Lock 29 Computer Access Panel ...31 Front Bezel ...32 Removing Bezel Blanks ...33 Cable Management ...34 Cable Connections ...35 Memory ...36 Expansion Cards ...39 Drives ...43 System Board Drive Connections 45 Drive Positions ...46 Removing an Optical Drive 47 Installing an Optical Drive into the 5.25-inch Drive Bay 48 Removing an External 3.5-inch Drive 49 Installing a Drive into the 3.5-inch External Drive Bay 51 Removing an Internal 3.5-inch Hard Drive 53 Installing an Internal 3.5-inch Hard Drive 55 Front USB Panel ...58 Power Switch/LED Assembly ...59 Heatsink ...60 Processor ...61 iv