Table Of Contents - Dell Precision 7920 Owner's Manual

Tower

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Owner's manual (101 pages)

Owner's manual (133 pages)

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...........................................................................................................................................................................11

Removing the side cover............................................................................................................................................ 11

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

Air shroud...........................................................................................................................................................................13

Removing the air shroud............................................................................................................................................13

Installing the air shroud fan assembly.......................................................................................................................13

Removing the air shroud fan..................................................................................................................................... 14

Installing the air shroud fan........................................................................................................................................15

Front bezel.........................................................................................................................................................................15

Removing the front bezel.......................................................................................................................................... 15

Installing the front bezel.............................................................................................................................................17

PCIe holder........................................................................................................................................................................ 17

Removing PCIe card holder ...................................................................................................................................... 17

Installing the PCIe card holder.................................................................................................................................. 18

Intrusion switch.................................................................................................................................................................18

Removing the intrusion switch..................................................................................................................................18

Installing the intrusion switch................................................................................................................................... 20

Front system fan assembly..............................................................................................................................................21

Removing the front system fan assembly............................................................................................................... 21

Installing the front system fan assembly................................................................................................................. 24

Internal chassis speaker...................................................................................................................................................24

Removing the internal chassis speaker................................................................................................................... 25

Installing the internal chassis speaker......................................................................................................................26

Hard disk drive and the Optical disk drive bezel.......................................................................................................... 26

Removing the HDD bezel..........................................................................................................................................26

Installing the HDD bezel............................................................................................................................................ 27

Hard disk drive assembly................................................................................................................................................. 27

Removing the HDD carrier........................................................................................................................................ 27

Installing the HDD carrier.......................................................................................................................................... 28

Removing the HDD.................................................................................................................................................... 28

Installing the HDD...................................................................................................................................................... 29

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