Dell 2520 Laptop User Manual


 
Removing the Processor.........................................................................................................................................25
Installing the Processor..........................................................................................................................................26
Removing the System Board...................................................................................................................................26
Installing the System Board....................................................................................................................................27
Removing the Speakers..........................................................................................................................................28
Installing the Speakers...........................................................................................................................................29
Removing the Display Assembly.............................................................................................................................30
Installing the Display Assembly..............................................................................................................................31
Removing the Power-Connector Port and Bracket................................................................................................31
Installing the Power-Connector Port and Bracket.................................................................................................33
Removing the Display Bezel...................................................................................................................................33
Installing the Display Bezel.....................................................................................................................................34
Removing the Camera.............................................................................................................................................34
Installing the Camera..............................................................................................................................................35
Removing the Display Panel...................................................................................................................................35
Installing the Display Panel....................................................................................................................................37
Removing the Low-Voltage Differential Signaling (LVDS) Cable............................................................................38
Installing the Low-Voltage Differential Signaling (LVDS) Cable.............................................................................39
3 System Setup.............................................................................................................................41
Boot Sequence.......................................................................................................................................................41
Navigation Keys......................................................................................................................................................41
System Setup Options.............................................................................................................................................42
Main.................................................................................................................................................................42
Advanced.........................................................................................................................................................43
Security............................................................................................................................................................43
Boot..................................................................................................................................................................44
Exit....................................................................................................................................................................44
Updating the BIOS .................................................................................................................................................44
System and Setup Password..................................................................................................................................44
Assigning a System Password and Setup Password......................................................................................45
Deleting or Changing an Existing System and/or Setup Password..................................................................45
4 Diagnostics.................................................................................................................................47
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics...............................................................................47
Battery Status Lights..............................................................................................................................................47
Device Status Lights...............................................................................................................................................48
Diagnostic Beep Codes..........................................................................................................................................48
5 Technical Specifications.........................................................................................................49
6 Contacting Dell..........................................................................................................................55