Compaq dx2390 - Microtower PC Service & Reference Manual page 4

Hard Drive Capacities ........................................................................................................................ 16
5 Identifying the Chassis, Routine Care, and Disassembly Preparation
Chassis Designation ........................................................................................................................... 17
Microtower (MT) ................................................................................................................. 17
Electrostatic Discharge Information .................................................................................................... 18
Generating Static ............................................................................................................... 18
Preventing Electrostatic Damage to Equipment ................................................................ 18
Personal Grounding Methods and Equipment ................................................................... 19
Grounding the Work Area .................................................................................................. 19
Recommended Materials and Equipment .......................................................................... 19
Operating Guidelines .......................................................................................................................... 20
Routine Care ...................................................................................................................................... 21
General Cleaning Safety Precautions ................................................................................ 21
Cleaning the Computer Case ............................................................................................ 21
Cleaning the Keyboard ...................................................................................................... 21
Cleaning the Monitor .......................................................................................................... 22
Cleaning the Mouse ........................................................................................................... 22
Service Considerations ...................................................................................................................... 22
Power Supply Fan ............................................................................................................. 22
Tools and Software Requirements .................................................................................... 22
Screws ............................................................................................................................... 23
Cables and Connectors ..................................................................................................... 23
Hard Drives ........................................................................................................................ 23
Lithium Coin Cell Battery ................................................................................................... 24
6 Removal and Replacement Procedures Microtower (MT) Chassis
Serial Number Location ...................................................................................................................... 25
Preparation for Disassembly .............................................................................................................. 26
External Security Devices .................................................................................................................. 27
Cable Lock ......................................................................................................................... 27
Padlock .............................................................................................................................. 27
HP Business PC Security Lock .......................................................................................... 28
Computer Access Panel ..................................................................................................................... 30
Front Bezel ......................................................................................................................................... 31
Removing Bezel Blanks ..................................................................................................................... 32
Cable Management ............................................................................................................................ 33
Cable Connections ............................................................................................................ 34
Memory .............................................................................................................................................. 35
Expansion Cards ................................................................................................................................ 38
Drives ................................................................................................................................................. 42
System Board Drive Connections ...................................................................................... 44
Drive Positions ................................................................................................................... 45
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