Owner`s manual

Installing the Front Thermal Sensor........................................................................................................................26
Removing the Power Switch...................................................................................................................................26
Installing the Power Switch....................................................................................................................................28
Removing the Input/Output (I/O) Panel...................................................................................................................28
Installing the Input/Output Panel............................................................................................................................30
Removing the System Board...................................................................................................................................30
System Board Components....................................................................................................................................33
Installing the System Board....................................................................................................................................33
3 System Setup.............................................................................................................................35
Boot Sequence.......................................................................................................................................................35
Navigation Keys......................................................................................................................................................35
System Setup Options.............................................................................................................................................36
Updating the BIOS .................................................................................................................................................43
Jumper Settings......................................................................................................................................................44
System and Setup Password..................................................................................................................................44
Assigning a System Password and Setup Password......................................................................................44
Deleting or Changing an Existing System and/or Setup Password..................................................................45
Disabling a System Password..........................................................................................................................45
4 Diagnostics.................................................................................................................................47
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................47
5 Troubleshooting Your Computer.............................................................................................49
Power LED Diagnostics..........................................................................................................................................49
Beep Code..............................................................................................................................................................50
Error Messages......................................................................................................................................................50
6 Specifications............................................................................................................................53
7 Contacting Dell .........................................................................................................................61