Dell 2420 Owner's Manual

Dell Vostro 2420Owner's ManualRegulatory Model: P22GRegulatory Type: P22G004

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

4. Flip the computer around and remove the hinge cover.Installing the Hinge Cover1. Install the hinge cover and press on it to secure its connection t

4. Flip the keyboard over and lay it on the palmrest.5. Disconnect the keyboard cable from the system board.6. Remove the keyboard from the computer.1

Installing the Keyboard1. Connect the keyboard cable to the system board.2. Insert the keyboard at an angle of 30 degrees to its compartment.3. Press

Installing the Optical Drive1. Slide the optical drive into the compartment on the left side of the chassis.2. Tighten the screw to secure the optical

Installing the Memory Module1. Insert the memory module into the memory socket.2. Press down on the memory module until the retention clips secure the

6. Remove the screws that secure the palmrest to the computer.7. With a plastic carefully pry up the palmrest along the edges. Lift the palmrest and r

8. Follow the procedures in After Working Inside Your Computer.Removing the Power-Button Board1. Follow the procedures in Before Working Inside Your C

Installing the Power-Button Board1. Insert the power-button board cable through the opening.2. Fix the power-button board to its compartment.3. Instal

Installing the Hard Drive1. Install the hard-drive bracket to the hard drive.2. Tighten the screw that secures the hard-drive bracket.3. Place the har

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Installing the Wireless Local Area Network (WLAN) Card1. Slide the WLAN card into its slot until it clicks into place.2. Connect the antennae accordin

Installing the Coin-Cell Battery1. Install the coin-cell battery to the coin-cell battery compartment.2. Connect the coin-cell battery cable to the sy

5. Disconnect the audio-board cable from the system board.6. Pry the latch to release the audio board.7. Remove the audio board from the computer.22

Installing the Audio Board1. Insert the audio board into its compartment and clip on the latch to secure it in place.2. Connect the audio board cable

5. Lift up the USB board and remove it from the computer.Installing the USB Board1. Insert and align the USB board into its compartment on the compute

4. Remove the captive screws that secure the heat-sink fan assembly by following the sequence in the image.5. Remove the heat-sink fan assembly from t

5. Follow the procedures in After Working Inside Your Computer.Removing the Processor1. Follow the procedures in Before Working Inside Your Computer.2

Removing the System Board1. Follow the procedures in Before Working Inside Your Computer.2. Remove:a) batteryb) SD memory cardc) keyboardd) optical dr

Installing the System Board1. Insert the system board with the LAN, VGA, HDMI, and USB connectors into their respective sockets and align the system b

m) hinge covern) display assembly3. Release the speaker cable from the routing channel.4. Press the securing latches and lift up the left speaker.5. P

ContentsNotes, Cautions, and Warnings...21 Working on

Installing the Speakers1. Insert and attach the left and right speakers into their respective compartments.2. Align and route the speaker cable to the

4. Disconnect the WLAN antennae and release it from the routing channel on the chassis.5. Disconnect the display cable from the system board.6. Remove

7. Lift up the display assembly from the computer and remove.Installing the Display Assembly1. Insert the display assembly hinges into their holders.2

4. Remove the bezel from the display assembly.Installing the Display Bezel1. Align the display bezel in line with the top cover.2. Starting from the b

5. Pry the latch, lift up the camera, and remove it from the computer.Installing the Camera1. Insert and align the camera module to its compartment.2.

4. Remove the screws that secure the display brackets and hinges.5. Release the wireless antennae from the right hinge.6. Release the display cable fr

7. Lift up the display panel and brackets from the display top cover.8. Remove the screws on the left and right display brackets and remove the displa

a) display bezelb) display assemblyc) palmrestd) optical drivee) keyboardf) hinge coverg) battery8. Follow the procedures in After Working Inside Your

Installing the Display Cable1. Attach the display cable to the display panel.2. Connect the display cable to the display panel and affix the tape secu

3System SetupSystem Setup enables you to manage your computer hardware and specify BIOS‐level options. From the System Setup, you can:• Change the NVR

Removing the Processor...

Keys Navigation<Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field.Spacebar Expands or co

AdvancedIntel SpeedStep Enable or disable the Intel SpeedStep feature.Default: EnabledVirtualization Enable or disable the Intel Virtualization featur

BootBoot Priority Order Specifies the order of different devices in which the computer will boot through at start up.Hard Disk Drives Specifies which

Password Type DescriptionSystem password Password that you must enter to log on to your system.Setup password Password that you must enter to access a

1. In the System BIOS or System Setup screen, select System Security and press <Enter>.The System Security screen is displayed.2. In the System

4DiagnosticsIf you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of r

• Light off — Battery in full charge mode with AC adapter present.• White light on — Battery in charge mode with AC adapter present.Device Status Ligh

5Technical SpecificationsNOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start ic

Feature SpecificationExternal microphone-in/stereo headphones/external speakers connectorSpeakers 2 x 2 WattVolume controls keyboard function keys and

Feature SpecificationNetwork adapter one RJ-45 connectorUSB three 4-pin USB, 2.0-compliant connectorsMedia card reader one 3-in-1 (SD/MMC/MS)Table 10.

1Working on Your ComputerBefore Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage an

Table 13. BatteryFeature SpecificationType 6-cell lithium ion (2.20 Whr)Dimensions:Height 20.20 mm (0.80 inch)Width 208.36 mm (8.20 inches)Depth 56.52

Feature SpecificationOperating 0 °C to 40 °C (32 °F to 104 °F)Non-operating –40 °C to 70 °C (–40 °F to 158 °F)Table 15. PhysicalFeature SpecificationV

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6Contacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill,

6. Close the display and turn the computer upside-down on a flat work surface.NOTE: To avoid damaging the system board, you must remove the main batte

CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.3. Replace the battery.4. Connect

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2Removing and Installing ComponentsThis section provides detailed information on how to remove or install the components from your computer.Recommende