Dell Precision 7920 Owner's Manual
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Brand: Dell
Category: Desktop , Racks & Stands
Type: Owner's manual for Dell Precision 7920
Pages: 97
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...........................................................................................................................................................................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
Contents
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