Dell Vostro 2521 (Early 2013) - Manual (Page 4)

Removing the Speakers ..........................................................................................................................................24
Installing the Speakers ...........................................................................................................................................25
Removing the Display Assembly .............................................................................................................................25
Installing the Display Assembly ..............................................................................................................................26
Removing the Display Bezel ...................................................................................................................................26
Installing the Display Bezel .....................................................................................................................................27
Removing the Display Hinges .................................................................................................................................28
Installing the Display Hinges ..................................................................................................................................28
Removing the Display Panel ...................................................................................................................................29
Installing the Display Panel ....................................................................................................................................30
Removing the Camera Module ...............................................................................................................................30
Installing the Camera Module .................................................................................................................................31
3 System Setup.............................................................................................................................33
Boot Sequence .......................................................................................................................................................33
Navigation Keys ......................................................................................................................................................33
System Setup Options .............................................................................................................................................34
Updating the BIOS .................................................................................................................................................37
System and Setup Password ..................................................................................................................................37
Assigning a System Password and Setup Password ......................................................................................38
Deleting or Changing an Existing System and/or Setup Password ..................................................................38
4 Diagnostics.................................................................................................................................41
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics ...............................................................................41
Battery Status Lights ..............................................................................................................................................41
5 Troubleshooting.........................................................................................................................43
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics ...............................................................................43
Diagnostics .............................................................................................................................................................43
Beep Codes .............................................................................................................................................................44
LED Error Codes ......................................................................................................................................................45
6 Technical Specifications.........................................................................................................47
7 Contacting Dell..........................................................................................................................53