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Dell Inspiron 3420 User Manual

Dell Inspiron 3420
78 pages
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Dell Inspiron M4040/
14-N4050 Owner’s Manual
Regulatory model: P22G Regulatory type: P22G001; P22G002

Table of Contents

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Dell Inspiron 3420 Specifications

General IconGeneral
CPUIntel Core i3/i5/i7 (varies by model)
MemoryUp to 8GB DDR3
StorageUp to 500GB HDD
Display14.0 inch HD (1366x768)
GraphicsNVIDIA GeForce GT 620M
Operating SystemWindows 7/8
Battery6-cell Lithium Ion
PortsUSB 2.0, USB 3.0, HDMI, VGA, Ethernet, Headphone/Microphone combo jack
WirelessWi-Fi 802.11 b/g/n, Bluetooth 4.0

Summary

Before You Begin

Recommended Tools

Lists tools required for component replacement procedures.

Turning Off Your Computer

Steps to safely shut down the computer before working inside.

Before Working Inside Your Computer

Battery

Removing the Battery

Step-by-step guide to remove the main battery from the computer.

Keyboard

Removing the Keyboard

Procedure to remove the keyboard from the computer.

Replacing the Keyboard

Procedure to install a new keyboard into the computer.

Memory Module(s)

Removing the Memory Module(s)

Steps to take out memory modules from the computer.

Replacing the Memory Module(s)

Steps to install new memory modules into the computer.

Optical Drive

Removing the Optical Drive

Procedure to remove the optical drive from its bay.

Replacing the Optical Drive

Procedure to install a new optical drive into the computer.

Palm-Rest Assembly

Removing the Palm-Rest Assembly

Steps to detach the palm-rest assembly from the computer base.

Replacing the Palm-Rest Assembly

Steps to reattach the palm-rest assembly to the computer base.

Power Button Board

Removing the Power Button Board

Procedure to remove the power button board from the palm rest.

Replacing the Power Button Board

Procedure to install a new power button board.

Hard Drive

Removing the Hard Drive

Steps to remove the computer's hard drive assembly.

Replacing the Hard Drive

Steps to install a new hard drive into the computer.

Wireless Mini-Card

Removing the Mini-Card

Procedure to remove the wireless Mini-Card from its slot.

Replacing the Mini-Card

Procedure to install a new wireless Mini-Card.

Audio Board

Removing the Audio Board

Steps to detach the audio board from the computer base.

Replacing the Audio Board

Steps to install a new audio board into the computer.

Coin-Cell Battery

Removing the Coin-Cell Battery

Procedure to remove the coin-cell battery.

Replacing the Coin-Cell Battery

Procedure to install a new coin-cell battery.

USB Board

Removing the USB Board

Steps to detach the USB board from the computer.

Replacing the USB Board

Steps to install a new USB board into the computer.

Thermal Cooling Assembly

Removing the Thermal Cooling Assembly

Procedure to remove the thermal cooling system.

Replacing the Thermal Cooling Assembly

Procedure to install a new thermal cooling assembly.

Processor Module

Removing the Processor Module

Steps to remove the processor from its socket.

Replacing the Processor Module

Steps to install a new processor into its socket.

Hinge Cover

Removing the Hinge Cover

Procedure to detach the hinge cover from the computer.

Replacing the Hinge Cover

Procedure to reattach the hinge cover to the computer.

Display

Display Assembly

Procedures for removing and replacing the entire display assembly.

Display Bezel

Procedures for removing and replacing the display bezel.

Display Panel

Procedures for removing and replacing the display panel.

Camera Module

Removing the Camera Module

Steps to detach the camera module from the display cover.

Replacing the Camera Module

Steps to install a new camera module onto the display cover.

System Board

Removing the System Board

Detailed steps to remove the system board.

Replacing the System Board

Detailed steps to install a new system board.

Entering the Service Tag in the BIOS

Instructions for entering the service tag into BIOS after system board replacement.

Flashing the BIOS

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