Removing the System-Fan Assembly.................................................................................................31
Installing the System-Fan Assembly...................................................................................................34
Removing the PSU Card.....................................................................................................................34
Installing the PSU Card........................................................................................................................35
Removing the Speaker........................................................................................................................36
Installing the Speaker..........................................................................................................................36
System Board Components................................................................................................................36
Removing the System Board..............................................................................................................38
Installing the System Board................................................................................................................39
3 Additional Information......................................................................................41
Memory Module Guidelines................................................................................................................41
Power Supply Unit (PSU) Lock............................................................................................................41
4 System Setup.......................................................................................................43
Boot Sequence....................................................................................................................................43
Navigation Keys...................................................................................................................................43
System Setup Options........................................................................................................................44
Updating the BIOS ..............................................................................................................................52
System and Setup Password...............................................................................................................53
Assigning a System Password and Setup Password.....................................................................53
Deleting or Changing an Existing System and/or Setup Password.............................................54
Disabling a System Password.......................................................................................................54
5 Diagnostics.......................................................................................................... 56
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...........................................................56
6 Troubleshooting Your Computer....................................................................57
Diagnostic LEDs...................................................................................................................................57
Error Messages....................................................................................................................................59
Errors That Halt Your Computer Completely..............................................................................59
Errors That Do Not Halt Your Computer.....................................................................................60
Errors That Soft Halt Your Computer...........................................................................................60
7 Technical Specifications....................................................................................628 Contacting Dell...................................................................................................68