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Dell Precision Tower 3420

Owner's Manual

Regulatory Model: D11S

Regulatory Type: D11S001

Notes, cautions, and warnings

NOTE:

NOTE: NOTE: A NOTE indicates important information that helps you make better use of your computer.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you

how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

intellectual property laws. Dell™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other

jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

2015 - 10

Rev. A00

Contents

1 Working on your computer.................................................................................5

Safety instructions................................................................................................................................. 5

Before working inside your computer..................................................................................................6

Turning off your computer................................................................................................................... 6

After working inside your computer.....................................................................................................7

2 Removing and installing components..............................................................8

Recommended tools.............................................................................................................................8

Removing the cover..............................................................................................................................8

Installing the cover................................................................................................................................9

Removing the front bezel..................................................................................................................... 9

Installing the front bezel....................................................................................................................... 9

Removing the hard drive assembly.......................................................................................................9

Installing the hard drive assembly.......................................................................................................10

Removing the optical drive..................................................................................................................11

Installing the optical drive................................................................................................................... 12

Removing the intrusion switch........................................................................................................... 13

Installing the intrusion switch............................................................................................................. 13

Removing the memory module..........................................................................................................13

Installing the memory module............................................................................................................14

Installing the optional PCIe SSD card................................................................................................. 14

Removing the optional PCIe SSD card............................................................................................... 16

Removing the expansion card............................................................................................................ 16

Installing the expansion card...............................................................................................................17

Removing the power supply unit (PSU).............................................................................................. 17

Installing the power supply unit (PSU)................................................................................................18

Removing the power button...............................................................................................................19

Installing the power button.................................................................................................................19

Removing the Input/Output (I/O) panel............................................................................................ 20

Installing the Input/Output (I/O) panel.............................................................................................. 20

Removing the system fan................................................................................................................... 20

Installing the system fan......................................................................................................................21

Removing the heat sink fan cover...................................................................................................... 21

Installing the heat sink fan cover........................................................................................................22

Removing the heat sink assembly...................................................................................................... 22

Installing the heat sink assembly........................................................................................................ 23

Removing the processor.....................................................................................................................23

Installing the processor.......................................................................................................................24

Produktspecifikationer

Varumärke:	Dell
Kategori:	Skrivbord
Modell:	Precision
Färg på produkten:	Zwart
Vikt:	169 g
Bredd:	109 mm
Djup:	51.5 mm
Höjd:	24 mm
Snäll:	Netwerkzender
Användarmanual:	Ja
LED-indikatorer:	Ja
Snabbstartsguide:	Ja
Antal Ethernet LAN (RJ-45)-portar:	1
Certifiering:	CE, RoHS
Anslutning för nätadapter:	Ja
Förvaringstemperatur:	-20 - 85 °C
Power over Ethernet (PoE):	Ja
Maximal-räckvidd:	1200 m
Strömförbrukning (typiskt):	3 W
Drifttemperatur (TT):	-20 - 60 °C
Drifttemperatur (sändare):	5 - 95 °C