Table Of Contents - Dell OptiPlex 5055 Tower Owner's Manual

1 Working on your computer............................................................................................................................. 6
Safety instructions............................................................................................................................................................. 6
Turning off your computer................................................................................................................................................ 6
Turning off your - Windows..................................................................................................................................... 6
Before working inside your computer.............................................................................................................................. 7
After working inside your computer.................................................................................................................................7
2 Chassis.......................................................................................................................................................... 8
Front chassis view..............................................................................................................................................................8
Back chassis view ............................................................................................................................................................. 9
3 Disassembly and reassembly........................................................................................................................ 10
Back cover.........................................................................................................................................................................10
Removing Back Cover................................................................................................................................................10
Installing cover............................................................................................................................................................. 11
Front Bezel......................................................................................................................................................................... 11
Removing front bezel.................................................................................................................................................. 11
Installing front bezel....................................................................................................................................................13
Front panel door................................................................................................................................................................13
Opening the front panel door....................................................................................................................................13
Storage device.................................................................................................................................................................. 14
Removing 3.5-inch hard drive assembly................................................................................................................. 14
Removing 2.5-inch hard drive assembly................................................................................................................. 18
Optical drive......................................................................................................................................................................20
Removing optical drive.............................................................................................................................................. 20
Installing optical drive................................................................................................................................................ 22
M.2 PCIe SSD...................................................................................................................................................................22
Removing optional M.2 PCIe SSD........................................................................................................................... 22
Installing optional M.2 PCIe SSD..............................................................................................................................23
SD card..............................................................................................................................................................................24
Removing SD card reader......................................................................................................................................... 24
FInstalling SD card reader......................................................................................................................................... 25
Memory modules............................................................................................................................................................. 25
Removing memory module....................................................................................................................................... 25
Installing memory module......................................................................................................................................... 25
Expansion card................................................................................................................................................................. 26
Removing PCIe expansion card................................................................................................................................26
Installing PCIe expansion card.................................................................................................................................. 27
Power supply unit.............................................................................................................................................................27
Removing power supply unit - PSU........................................................................................................................ 27
Installing power supply unit - PSU.......................................................................................................................... 29
Intrusion switch................................................................................................................................................................ 29
Removing intrusion switch........................................................................................................................................30
Contents
Contents 3