Dell OptiPlex 990 (Early 2011) - Manual (Page 3)

Contents
Notes, Cautions, and Warnings..................................................................2
1 Working on Your Computer......................................................................7
Before Working Inside Your Computer .............................................................................7
Recommended Tools .........................................................................................................8
Turning Off Your Computer ................................................................................................8
After Working Inside Your Computer ................................................................................9
2 Cover..........................................................................................................11
Removing the Cover ........................................................................................................11
Installing The Cover .........................................................................................................12
3 Front Bezel.................................................................................................13
Removing the Front Bezel ................................................................................................13
Installing The Front Bezel ................................................................................................14
4 Optical Drive..............................................................................................15
Removing the Optical Drive .............................................................................................15
Installing The Optical Drive .............................................................................................16
5 Hard Drive..................................................................................................17
Removing the Hard Drive ................................................................................................17
Installing the Hard Drive ..................................................................................................18
6 Memory......................................................................................................19
Removing the Memory ....................................................................................................19
Installing The Memory .....................................................................................................20
7 Chassis Intrusion Switch........................................................................21
Removing the Chassis Intrusion Switch ..........................................................................21