Dell Precision 7820 - Default Chapter; Table of Contents

Contents
1 Working on your computer............................................................................................................................. 7
Safety instructions............................................................................................................................................................. 7
Turning o 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
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