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 ................................................................................................9
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 Expansion Card Tab.................................................................................15
Removing the Expansion Card .........................................................................................15
Installing The Expansion Card .........................................................................................16
5 Optical Drive..............................................................................................17
Removing the Optical Drive .............................................................................................17
Installing The Optical Drive .............................................................................................18
6 Hard Drive..................................................................................................19
Removing the Hard Drive ................................................................................................19
Installing The Hard Drive .................................................................................................20
7 Memory......................................................................................................21
Removing the Memory ....................................................................................................21