Dell OptiPlex 790 (Early 2011) - Manual (Page 5)

16 System Board..........................................................................................45
Removing the System Board ...........................................................................................45
Installing The System Board ...........................................................................................47
17 Drive Cage...............................................................................................49
Removing the Drive Cage ................................................................................................49
Installing The Drive Cage ................................................................................................51
18 Fan Shelter..............................................................................................53
Removing the Fan Shelter ...............................................................................................53
Installing The Fan Shelter ................................................................................................53
19 System Setup..........................................................................................55
System Setup ..................................................................................................................55
Boot Menu .......................................................................................................................55
Boot Menu Enhancements ..............................................................................................55
Timing Key Sequences ....................................................................................................56
Navigation .......................................................................................................................56
System Setup Options .....................................................................................................57
20 Troubleshooting......................................................................................67
Diagnostic LEDs ..............................................................................................................67
Beep Codes .....................................................................................................................74
Error Messages ...............................................................................................................77
21 Specifications.........................................................................................85
Technical Specifications .................................................................................................85
22 Contacting Dell.......................................................................................95
Contacting Dell ................................................................................................................95