Dell Precision 5820 Tower D02T

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1 Chassis........................................................................................................................................ 7

Front view...............................................................................................................................................................................7

Back view................................................................................................................................................................................8

Internal view........................................................................................................................................................................... 9

Major components of your system ....................................................................................................................................11

2 Working on your computer...........................................................................................................13

Safety instructions............................................................................................................................................................... 13

Turning off your computer — Windows...........................................................................................................................13

Before working inside your computer................................................................................................................................14

After working inside your computer...................................................................................................................................14

3 Removing and installing components............................................................................................ 15

Screw size list.......................................................................................................................................................................15

Recommended tools............................................................................................................................................................ 16

Side cover............................................................................................................................................................................. 16

Removing the side cover...............................................................................................................................................16

Installing the side cover................................................................................................................................................. 18

Power supply unit (PSU).....................................................................................................................................................18

Removing the PSU.........................................................................................................................................................18

Installing the PSU........................................................................................................................................................... 19

Front bezel............................................................................................................................................................................ 19

Removing the front bezel..............................................................................................................................................19

Installing the front bezel................................................................................................................................................ 21

Hard Disk Drive bezel...........................................................................................................................................................21

Removing HDD bezel..................................................................................................................................................... 21

Installing HDD bezel.......................................................................................................................................................22

Hard disk drive assembly.................................................................................................................................................... 22

Removing the HDD carrier........................................................................................................................................... 22

Installing the HDD carrier..............................................................................................................................................24

Removing the HDD........................................................................................................................................................24

Installing the HDD.......................................................................................................................................................... 26

NVMe Flexbay......................................................................................................................................................................26

Removing the NVMe Flexbay...................................................................................................................................... 26

Installing the NVMe flexbay.......................................................................................................................................... 31

Slim Optical Disk Drive........................................................................................................................................................ 33

Removing the slim ODD................................................................................................................................................33

Installing the slim ODD.................................................................................................................................................. 35

Front input and output bezel............................................................................................................................................. 35

Removing front input and output bezel......................................................................................................................35

Installing front input and output bezel........................................................................................................................ 37

Optical Disk Drive.................................................................................................................................................................37

Removing the ODD........................................................................................................................................................37

Installing the ODD..........................................................................................................................................................39

Contents

Contents 3

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