Dell OptiPlex 7020 (Mid 2014) - Manual (Page 3)

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 ........................................................................................................................... 10
Installing the Cover ............................................................................................................................. 10
Removing the Front Bezel ...................................................................................................................10
Installing the Front Bezel ..................................................................................................................... 11
Removing The Expansion Card ........................................................................................................... 11
Installing The Expansion Card .............................................................................................................13
Removing the Wireless Local Area Network (WLAN) Card ................................................................ 13
Installing the WLAN Card .................................................................................................................... 14
Removing the Optical Drive ................................................................................................................ 15
Installing the Optical Drive .................................................................................................................. 15
Removing the Drive Cage ................................................................................................................... 16
Installing the Drive Cage ......................................................................................................................17
Removing the Hard Drive .................................................................................................................... 17
Installing the Hard Drive ......................................................................................................................18
Removing the Speaker ........................................................................................................................ 18
Installing the Speaker .......................................................................................................................... 19
Memory Module Guidelines ................................................................................................................19
Removing the Memory ....................................................................................................................... 20
Installing the Memory ......................................................................................................................... 20
Removing the System Fan .................................................................................................................. 20
Installing the System Fan .....................................................................................................................21
Removing the Power Switch .............................................................................................................. 22
Installing the Power Switch ................................................................................................................ 23
Removing the Input/Output (I/O) Panel .............................................................................................23
Installing the Input/Output (I/O) Panel .............................................................................................. 24
Removing the Power Supply .............................................................................................................. 24
Installing the Power Supply ................................................................................................................ 26
Removing the Coin-Cell Battery ........................................................................................................ 27
Installing the Coin-Cell Battery .......................................................................................................... 27