Owner`s manual

Installing the System Fan........................................................................................................................................22
Removing the Thermal Sensor................................................................................................................................22
Installing the Thermal Sensor.................................................................................................................................24
Removing the Power Switch...................................................................................................................................24
Installing the Power Switch....................................................................................................................................25
Removing the Input/Output (I/O) Panel...................................................................................................................26
Installing the Input/Output (I/O) Panel.................................................................................................................... 27
Removing the System Board...................................................................................................................................27
Installing the System Board....................................................................................................................................28
System Board Components.................................................................................................................................... 29
3 System Setup............................................................................................................................. 31
Boot Sequence....................................................................................................................................................... 31
Navigation Keys......................................................................................................................................................31
System Setup Options.............................................................................................................................................32
Updating the BIOS ................................................................................................................................................. 40
Jumper Settings......................................................................................................................................................41
System and Setup Password..................................................................................................................................41
Assigning a System Password and Setup Password...................................................................................... 41
Deleting or Changing an Existing System and/or Setup Password..................................................................42
Disabling a System Password..........................................................................................................................42
4 Diagnostics.................................................................................................................................45
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................45
5 Troubleshooting Your Computer.............................................................................................47
Power LED Diagnostics.......................................................................................................................................... 47
Beep Code.............................................................................................................................................................. 48
Error Messages...................................................................................................................................................... 48
6 Specifications............................................................................................................................ 53
7 Contacting Dell ......................................................................................................................... 58