HP dx2420 - Microtower PC Service & Reference Manual page 4

SATA Data Cable .............................................................................................................. 17
SATA Power Cable ............................................................................................................ 17
PATA Device Information ................................................................................................................... 18
ATA SMART Drives ............................................................................................................................ 18
Hard Drive Capacities ........................................................................................................................ 18
5 Identifying the Chassis, Routine Care, and Disassembly Preparation
Chassis Designation ........................................................................................................................... 19
Microtower (MT) ................................................................................................................. 19
Electrostatic Discharge Information .................................................................................................... 20
Generating Static ............................................................................................................... 20
Preventing Electrostatic Damage to Equipment ................................................................ 20
Personal Grounding Methods and Equipment ................................................................... 21
Grounding the Work Area .................................................................................................. 21
Recommended Materials and Equipment .......................................................................... 21
Operating Guidelines .......................................................................................................................... 22
Routine Care ...................................................................................................................................... 23
General Cleaning Safety Precautions ................................................................................ 23
Cleaning the Computer Case ............................................................................................ 23
Cleaning the Keyboard ...................................................................................................... 23
Cleaning the Monitor .......................................................................................................... 24
Cleaning the Mouse ........................................................................................................... 24
Service Considerations ...................................................................................................................... 24
Power Supply Fan ............................................................................................................. 24
Tools and Software Requirements .................................................................................... 24
Screws ............................................................................................................................... 25
Cables and Connectors ..................................................................................................... 25
Hard Drives ........................................................................................................................ 25
Lithium Coin Cell Battery ................................................................................................... 26
6 Removal and Replacement Procedures Microtower (MT) Chassis
Serial Number Location ...................................................................................................................... 27
Preparation for Disassembly .............................................................................................................. 28
External Security Devices .................................................................................................................. 29
Cable Lock ......................................................................................................................... 29
Padlock .............................................................................................................................. 29
HP Business PC Security Lock .......................................................................................... 30
Computer Access Panel ..................................................................................................................... 32
Front Bezel ......................................................................................................................................... 33
Removing Bezel Blanks ..................................................................................................................... 34
Cable Management ............................................................................................................................ 35
Cable Connections ............................................................................................................ 36
Memory .............................................................................................................................................. 37
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