16 Drive Cage...............................................................................................43
Removing the Drive Cage
................................................................................................43
Installing The Drive Cage
................................................................................................44
17 Wireless Module....................................................................................45
Removing the Wireless Module
......................................................................................45
Installing The Wireless Module
......................................................................................46
18 Control Panel...........................................................................................47
Removing the Control Panel
............................................................................................47
Installing The Control Panel
............................................................................................48
19 Internal Antenna.....................................................................................49
Removing the Internal Antenna
.......................................................................................49
Installing The Internal Antenna
.......................................................................................50
20 System Setup..........................................................................................51
System Setup
..................................................................................................................51
Boot Menu
.......................................................................................................................51
Boot Menu Enhancements
..............................................................................................51
Timing Key Sequences
....................................................................................................52
Beep Codes and Text Error Messages
............................................................................53
Navigation
.......................................................................................................................53
System Setup Options
.....................................................................................................53
21 Troubleshooting......................................................................................65
Diagnostic LEDs
..............................................................................................................65
Beep Codes
.....................................................................................................................72
Error Messages
...............................................................................................................75
22 Specifications.........................................................................................83
Technical Specifications
.................................................................................................83
Summary of Contents for OptiPlex 990 Desktop
Page 6: ...23 Contacting Dell 93 Contacting Dell 93 ...
Page 10: ...10 ...
Page 28: ...28 ...
Page 41: ...16 Remove the system board from the chassis 41 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 94: ......