Table Of Contents - Dell Precision 3431 Service Manual

Small form factor

Table of Contents

1 Working on your computer............................................................................................................ 6

Safety instructions.................................................................................................................................................................6

Turning off your computer - Windows 10....................................................................................................................... 6

Before working inside your computer................................................................................................................................. 7

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

2 Technology and components......................................................................................................... 8

Processor................................................................................................................................................................................8

DDR4....................................................................................................................................................................................... 9

USB features........................................................................................................................................................................ 10

USB Type-C...........................................................................................................................................................................11

HDMI 2.0............................................................................................................................................................................... 13

Advantages of DisplayPort over USB Type-C..................................................................................................................14

3 Major components of your system ............................................................................................... 15

4 Removing and Installing components............................................................................................ 17

Recommended tools............................................................................................................................................................ 17

Screw size list....................................................................................................................................................................... 18

Motherboard layout............................................................................................................................................................. 19

Side cover............................................................................................................................................................................. 19

Removing the side cover...............................................................................................................................................19

Installing the side cover................................................................................................................................................ 20

Expansion card......................................................................................................................................................................21

Removing expansion card............................................................................................................................................. 21

Installing the expansion card........................................................................................................................................ 22

Coin cell battery...................................................................................................................................................................23

Removing coin cell battery........................................................................................................................................... 23

Installing the coin cell battery.......................................................................................................................................24

Hard drive assembly............................................................................................................................................................25

Removing the hard drive assembly............................................................................................................................. 25

Installing the hard drive assembly................................................................................................................................ 27

Front Bezel........................................................................................................................................................................... 28

Removing front bezel....................................................................................................................................................28

Installing front bezel...................................................................................................................................................... 29

Hard drive and optical drive module..................................................................................................................................30

Removing the hard drive and optical drive module................................................................................................... 30

Installing the hard drive and optical drive module......................................................................................................32

Optical drive......................................................................................................................................................................... 35

Removing the optical drive...........................................................................................................................................35

Installing the optical drive............................................................................................................................................. 38

Memory module....................................................................................................................................................................41

Removing memory module............................................................................................................................................41

Installing the memory module...................................................................................................................................... 42

Contents