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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....................................................................................62
8 Contacting Dell...................................................................................................68