Dell Vostro 2521 Dell Vostro 2521 Owner's 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