Dell 2421 Owner's Manual

Dell Vostro 2421Owner's ManualRegulatory Model: P37GRegulatory Type: P37G001

Installing the Battery1. Slide the battery into its slot until it clicks into place.2. Follow the procedures in After Working Inside Your Computer.Rem

Installing the Access Panel1. Slide the access panel into its slot.2. Tighten the screw to secure the access panel to the computer.3. Install the batt

Installing the Memory Module1. Insert the memory module into the memory socket and press until it clicks into place.2. Install:a) access panelb) batte

5. Remove the screw that secures the hard-drive caddy to the hard drive and remove it.Installing the Hard-Drive Assembly1. Slide the hard-drive assemb

Removing the Optical-Drive Assembly1. Follow the procedures in Before Working Inside Your Computer.2. Remove the battery.3. Remove the screw that secu

Installing the Optical-Drive Assembly1. Place the optical-drive bezel on the optical drive and snap it in place.2. Place the optical-drive bracket in

5. Disconnect the keyboard connector from the system board and lift it up to remove it from the computer.16

Installing the Keyboard1. Connect the keyboard cable to the connector on the system board.2. Slide the keyboard in its place on the computer and snap

c) access paneld) keyboard3. Remove the screws that secure the palmrest to the computer.4. Flip the computer and remove the screws that secure the pal

5. Disconnect the touchpad and power-button cable from the system board.6. Flip the computer and push the hooks inside the battery bay before releasin

ContentsNotes, Cautions, and Warnings... 01 Working on Your

Installing the Palmrest1. Align and press the palmrest on the computer until it snaps into place on all the sides.2. Connect the touchpad and power-bu

Installing the Input/Output (I/O) Board1. Place the I/O board in its slot and snap it in place.2. Tighten the screw to secure the I/O board to the com

Installing the Coin-Cell Battery1. Place the coin-cell battery in its slot.2. Install:a) system boardb) wireless mini-cardc) palmrestd) keyboarde) acc

4. Disconnect the following cables:a) displayb) DC-In Portc) speakerd) I/O board23

5. Remove the screw that secures the system board to the computer and lift the system board from the computer.Installing the System Board1. Align the

Removing the Heatsink1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a) batteryb) access panelc) memory moduled) hard-drive

a) system boardb) wireless mini-cardc) palmrestd) keyboarde) optical-drive assemblyf) hard-drive assemblyg) memory moduleh) access paneli) battery4. F

Installing the Speakers1. Place the speaker assembly in its slot and route the cables through the channels.2. Install:a) system boardb) wireless mini-

5. Lift the display assembly off the computer.Installing the Display Assembly1. Place the display assembly on the computer.2. Route the display cable

Removing the Display Bezel1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a) batteryb) access panelc) memory moduled) hard-d

Installing the Speakers...

Installing the Display Bezel1. Align the display bezel in place and snap it in place.2. Align the hinge covers on display assembly and snap it in plac

g) plamresth) display assemblyi) display bezel3. Remove the screws that secure the display panel to the computer. Lift the display panel and flip it.4

Installing the Display Panel1. Connect the display cable to display panel.2. Affix the tape to secure the display cable.3. Place the display panel on

d) hard-drive assemblye) optical-drive assemblyf) keyboardg) plamresth) display assemblyi) display bezel3. Remove the screws that secure the display h

Removing the Camera Module1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a) batteryb) access panelc) memory moduled) hard-d

Installing the Camera Module1. Connect the camera cable to the connector on the camera module.2. Align the camera module in its position on the comput

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System SetupSystem Setup enables you to manage your computer hardware and specify BIOS‐level options. From the System Setup, you can:• Change the NVRA

Keys NavigationNOTE: For the standard graphics browser only.<Esc> Moves to the previous page till you view the main screen. Pressing <Esc>

Option DescriptionFixed HDD Displays the model number and capacity of the hard drive.SATA ODD Displays the model number and capacity of the optical dr

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Option DescriptionExternal USB Ports Enables or disables external USB ports.Default: EnabledMicrophone Enables or disables microphone.Default: Enabled

Option DescriptionBoot List Option Allows you to view the boot options.Add Boot Option Allows you to add a boot option.Delete a Boot Option Allows you

CAUTION: The password features provide a basic level of security for the data on your computer.CAUTION: Anyone can access the data stored on your comp

NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the System and/or Setup password, confirm

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TroubleshootingEnhanced Pre-Boot System Assessment (ePSA) DiagnosticsThe ePSA diagnostics (also known as system diagnostics) performs a complete check

Table 7. Battery Status LightsAlternately blinking amber light and blue light An unauthenticated or unsupported non-Dell AC adapter is attached to you

Code Cause and Troubleshooting Steps6 Video BIOS test failureVideo card failure7 CPU - cache test failureProcessor failure8 DisplayDisplay failureLED

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SpecificationsNOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start icon) → Help

Working on Your ComputerBefore Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage and

Feature DescriptionVolume controls program menu and keyboard media-control keysTable 13. VideoFeature DescriptionVideo type LVDSVideo Controller:UMA I

Table 17. DisplayFeature vostro 2421Type 14.0 inches HD WLEDDimensions:Height 320.90 mm (12.63 inches)Width 205.60 mm (8.09 inches)Diagonal 355.60 mm

Feature DescriptionDepth 291.70 mm (11.48 inches)Weight 0.30 kg (0.66 lb)Life span 600 discharge/charge cycleVoltage• 14.80 VDC (4 cells)• 11.10 VDC (

Table 23. EnvironmentalFeature DescriptionTemperature:Operating 0 °C to 35 °C (32 °F to 95 °F)Storage –40 °C to 65 °C (–40 °F to 149 °F)Relative humid

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Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

8. Turn the computer top-side up.9. Open the display.10. Press the power button to ground the system board.CAUTION: To guard against electrical shock,

1. Connect any external devices, such as a port replicator, battery slice, or media base, and replace any cards, such as an ExpressCard.2. Connect any

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Removing and Installing ComponentsThis section provides detailed information on how to remove or install the components from your computer.Recommended