Dell Vostro 2521

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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