HP dx2290 Service Reference Guide - HP Compaq dx2290 Business PC - Page 6

Hard Drive Capacities ...17 5 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...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 Preparation for Disassembly ...26 Computer Components ...27 Access Panel ...28 Front Bezel ...29 Memory ...30 DDR2-SDRAM DIMMs ...30 Installing Memory Modules 30 Expansion Cards ...32 Expansion Slot Cover Lock 32 PCI/PCIe Expansion Card 33 Cable Management ...35 Cable Connections ...36 Removing and replacing drives ...36 Removing an optical drive 36 Adding or replacing an optical drive 39 Removing the diskette or hard disk drive 41 Removing the memory card reader 42 Removing the hard disk drive 43 Adding or replacing a hard disk drive 45 Front I/O Panel Housing Assembly ...48 Power Switch Assembly ...49 System Fan ...50 Heatsink ...51 vi