Dell Inspiron 24 3477 All-in-One User Manual

Inspiron 24 3477 All-in-One
Service Manual
Regulatory Model: W21C
Regulatory Type: W21C001
March 2022
Rev. A01

Dell Inspiron 24 3477 All-in-One Specifications

General

Brand	Dell
Model	Inspiron 24 3477 All-in-One
Category	Laptop
Language	English

Summary

Before working inside your computer

Safety instructions

Guidelines for safe handling and maintenance of the computer.

After working inside your computer

Removing the stand

Easel Stand

Replacing the stand

Easel stand

Pedestal stand

Removing the back cover

Replacing the back cover

Removing the hard drive

Replacing the hard drive

Removing the system-board shield

Replacing the system-board shield

Removing the memory module

Replacing the memory module

Removing the wireless card

Replacing the wireless card

Removing the antenna

Replacing the antenna

Removing the media-card reader

Replacing the media-card reader

Removing the power-button board

Replacing the power-button board

Removing the microphone

Replacing the microphone

Removing the camera

Replacing the camera

Removing the coin-cell battery

Replacing the coin-cell battery

Removing the fan

Replacing the fan

Removing the heat sink

Replacing the heat sink

Removing the speakers

Replacing the speakers

Removing the system board

Replacing the system board

Removing the display panel

Replacing the display panel

Removing the middle frame

Replacing the middle frame

Procedure

Steps for installing the middle frame onto the computer.

System setup

Boot Sequence

How to change the computer's boot device order.

BIOS overview

General information about the BIOS Setup program.

Entering BIOS setup program

Steps to access the BIOS setup utility.

System Setup Options

Details various system setup options available in the BIOS.

System setup options-Advanced menu

Advanced configuration options within the BIOS setup.

System setup options-Advanced menu (continued)

System setup options-Security menu

System setup options-Boot menu

Troubleshooting

Flashing the BIOS

Instructions for updating the system's BIOS.

Reinstall Windows using a USB recovery drive

Guide to reinstalling Windows using a USB recovery drive.

Enhanced Pre-Boot System Assessment (ePSA) diagnostics

Information about the pre-boot system assessment diagnostics.

Running the ePSA diagnostics

Steps to perform hardware diagnostics using ePSA.

Diagnostics