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Contents

1 Working on Your Computer...................................................................................5

Before Working Inside Your Computer................................................................................................ 5

Turning Off Your Computer..................................................................................................................6

After Working Inside Your Computer................................................................................................... 7

2 Removing and Installing Components................................................................8

Recommended Tools............................................................................................................................8

System Overview...................................................................................................................................8

Inside view ...................................................................................................................................... 8

Removing the Cover............................................................................................................................. 9

Installing the Cover............................................................................................................................... 9

Removing the Bezel.............................................................................................................................. 9

Installing the Bezel.............................................................................................................................. 10

Removing the Hard Drive....................................................................................................................10

Installing the Hard Drive...................................................................................................................... 11

Removing the Optical Drive................................................................................................................12

Installing the Optical Drive..................................................................................................................12

Removing the Card Reader.................................................................................................................13

Installing the Card Reader...................................................................................................................13

Removing the Memory........................................................................................................................13

Installing the Memory..........................................................................................................................14

Removing the Heatsink....................................................................................................................... 14

Installing the Heatsink......................................................................................................................... 14

Removing the Processor..................................................................................................................... 15

Installing the Processor....................................................................................................................... 15

Removing the Expansion Card(s)........................................................................................................15

Installing the Expansion Card(s)..........................................................................................................16

Removing The Power Supply Unit (PSU)............................................................................................ 16

Installing the Power Supply Unit (PSU)............................................................................................... 17

Removing the Power Switch...............................................................................................................18

Installing the Power Switch.................................................................................................................18

Removing the Input/Output (I/O) Panel.............................................................................................19

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

Removing the System Fan.................................................................................................................. 20

Installing the System Fan.................................................................................................................... 20

Removing the System Board...............................................................................................................21

Installing the System Board.................................................................................................................21

System Board Components................................................................................................................22

Dell Vostro 3902 User Manual

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