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
Removing the Cover ............................................................................................................................. 8
Installing the Cover ............................................................................................................................... 8
Removing the Intrusion Switch .............................................................................................................9
Installing the Intrusion Switch ...............................................................................................................9
Removing the Wireless Local Area Network (WLAN) Card ..................................................................9
Installing the Wireless Local Area Network (WLAN) Card ..................................................................10
Removing the Front Bezel ................................................................................................................... 11
Installing the Front Bezel ..................................................................................................................... 11
Removing the Expansion Card ............................................................................................................ 11
Installing the Expansion Card ..............................................................................................................12
Memory Module Guidelines ................................................................................................................12
Removing the Memory ........................................................................................................................13
Installing the Memory ..........................................................................................................................13
Removing the Coin-Cell Battery .........................................................................................................13
Installing the Coin-Cell Battery ...........................................................................................................14
Removing the Hard Drive ....................................................................................................................14
Installing the Hard Drive ......................................................................................................................15
Removing the Optical Drive ................................................................................................................ 15
Installing the Optical Drive ..................................................................................................................16
Removing the Speaker .........................................................................................................................17
Installing the Speaker ...........................................................................................................................17
Removing the Power Supply ............................................................................................................... 17
Installing the Power Supply .................................................................................................................19
Removing the Heat Sink Assembly ..................................................................................................... 19
Installing the Heat Sink Assembly ....................................................................................................... 19
Removing the Processor .....................................................................................................................19
Installing the Processor ...................................................................................................................... 20
Removing the System Fan .................................................................................................................. 20
Installing the System Fan .....................................................................................................................21
Removing the Thermal Sensor ............................................................................................................21
Installing the Thermal Sensor ............................................................................................................. 23