Table Of Contents - Dell Precision 7820 Owner's Manual

Tower

Table of Contents

1 Working on your computer............................................................................................................................. 7

Safety instructions............................................................................................................................................................. 7

Turning off your computer - Windows 10..................................................................................................................... 7

Before working inside your computer..............................................................................................................................8

After working inside your computer.................................................................................................................................8

2 Removing and installing components............................................................................................................. 9

Screw size list..................................................................................................................................................................... 9

Recommended tools........................................................................................................................................................ 10

Power supply unit (PSU)..................................................................................................................................................11

Removing the PSU......................................................................................................................................................11

Installing the PSU........................................................................................................................................................ 11

Side cover.......................................................................................................................................................................... 12

Removing the side cover........................................................................................................................................... 12

Installing the side cover..............................................................................................................................................13

Front bezel.........................................................................................................................................................................14

Removing the front bezel.......................................................................................................................................... 14

Installing the front bezel.............................................................................................................................................15

Hard Disk Drive bezel....................................................................................................................................................... 15

Removing HDD bezel................................................................................................................................................. 15

Installing HDD bezel....................................................................................................................................................16

Hard disk drive assembly................................................................................................................................................. 16

Removing the HDD bracket...................................................................................................................................... 16

Installing the HDD bracket.........................................................................................................................................18

Removing the HDD.....................................................................................................................................................18

Installing the HDD...................................................................................................................................................... 20

Slim Optical Disk Drive.................................................................................................................................................... 20

Removing the slim ODD............................................................................................................................................ 20

Installing the slim ODD.............................................................................................................................................. 22

Front input and output bezel.......................................................................................................................................... 22

Removing front input and output bezel.................................................................................................................. 22

Installing front input and output bezel..................................................................................................................... 24

5.25 inch ODD bracket.................................................................................................................................................... 24

Removing the 5.25 ODD bracket............................................................................................................................. 24

Installing the 5.25 ODD bay...................................................................................................................................... 27

Front input and output panel.......................................................................................................................................... 27

Removing front input and output panel...................................................................................................................27

Installing front input and output panel.....................................................................................................................30

Input and output panel bracket.......................................................................................................................................31

Removing input and output panel bracket...............................................................................................................31

Installing input and output panel bracket................................................................................................................ 32

Intruder switch................................................................................................................................................................. 32

Removing the Intruder switch.................................................................................................................................. 32

Contents