16 Power Supply..........................................................................................47
Removing The Power Supply
..........................................................................................47
Installing the Power Supply
............................................................................................49
17 System Board..........................................................................................51
Removing The System Board
..........................................................................................51
Installing the System Board
............................................................................................56
18 System Setup..........................................................................................57
System Setup
..................................................................................................................57
Boot Menu
.......................................................................................................................57
Boot Menu Enhancements
..............................................................................................57
Timing Key Sequences
....................................................................................................58
Beep Codes and Text Error Messages
............................................................................59
Navigation
.......................................................................................................................59
System Setup Options
.....................................................................................................59
19 Troubleshooting......................................................................................69
Diagnostic LEDs
..............................................................................................................69
Beep Codes
.....................................................................................................................76
Error Messages
...............................................................................................................79
20 Specifications.........................................................................................83
Specification
...................................................................................................................83
21 Contacting Dell.......................................................................................91
Contacting Dell
................................................................................................................91
Summary of Contents for OptiPlex 390 Mini-Tower
Page 1: ...Dell OptiPlex 390 Mini Tower Owner s Manual Regulatory Model D12M Regulatory Type D12M001 ...
Page 6: ...6 ...
Page 10: ...10 ...
Page 12: ...12 ...
Page 18: ...18 ...
Page 32: ...32 ...
Page 38: ...38 ...
Page 46: ...46 ...
Page 50: ...50 ...
Page 52: ...7 Remove the screws that secure the system board to the computer 52 ...
Page 53: ...8 Slide the system board towards the front of the computer 53 ...
Page 55: ...55 ...
Page 68: ...68 ...
Page 90: ...90 ...
Page 92: ......