HP ProDesk 400 G2

Cleaning the keyboard ...................................................................................................................... 20
Cleaning the monitor ......................................................................................................................... 21
Cleaning the mouse ........................................................................................................................... 21
Service considerations ........................................................................................................................................ 21
Power supply fan ............................................................................................................................... 21
Tools and software Requirements ................................................................................................... 21
Screws ............................................................................................................................................... 22
Cables and connectors ...................................................................................................................... 22
Hard Drives ........................................................................................................................................ 22
Lithium coin cell battery ................................................................................................................... 22
SATA hard drives .................................................................................................................................................. 23
SATA hard drive cables ........................................................................................................................................ 23
SATA data cable ................................................................................................................................. 23
SMART ATA drives ................................................................................................................................................ 23
Cable management .............................................................................................................................................. 23
5 Removal and replacement procedures: Microtower ........................................................................................ 25
Preparation for disassembly ............................................................................................................................... 25
Access panel ........................................................................................................................................................ 26
Front bezel ........................................................................................................................................................... 27
Optical drive bezel blank ..................................................................................................................................... 28
Memory ................................................................................................................................................................ 29
DIMMs ................................................................................................................................................ 29
DDR3-SDRAM DIMMs ......................................................................................................................... 29
Populating DIMM sockets (HP ProDesk 400 G2 and 480 G2 models) .............................................. 30
Populating DIMM sockets (HP ProDesk 490 G2 models) .................................................................. 30
Installing DIMMs ................................................................................................................................ 31
Expansion cards ................................................................................................................................................... 32
Drives ................................................................................................................................................................... 36
Drive positions ................................................................................................................................... 38
Removing a slim optical drive ........................................................................................................... 39
Installing a slim optical drive ............................................................................................................ 39
Removing a 3.5-inch hard drive ........................................................................................................ 41
Installing a 3.5-inch hard drive ......................................................................................................... 42
Removing a 2.5-inch hard drive ........................................................................................................ 43
Installing a 2.5-inch hard drive ......................................................................................................... 44
WLAN module ...................................................................................................................................................... 45
RTC battery .......................................................................................................................................................... 48
DisplayPort connector module ............................................................................................................................ 50
Front I/O and power switch assembly ................................................................................................................. 51
Fan sink ................................................................................................................................................................ 54
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