DELL E7240 用户手册

Contents

1 Working on Your Computer................................................................................5

Before Working Inside Your Computer

................................................................................................ 5

Turning Off Your Computer

..................................................................................................................6

After Working Inside Your Computer

................................................................................................... 7

2 Docking Your Computer..................................................................................... 8

3 Removing and Installing Components............................................................. 9

Recommended Tools

............................................................................................................................9

System Overview

...................................................................................................................................9

Removing the SD Card

........................................................................................................................10

Installing the SD Card

.......................................................................................................................... 11

Removing the Battery

.......................................................................................................................... 11

Installing the Battery

............................................................................................................................12

Removing the Base Cover

...................................................................................................................12

Installing the Base Cover

.....................................................................................................................14

Removing the Keyboard Trim

............................................................................................................. 14

Installing the Keyboard Trim

............................................................................................................... 14

Removing the Keyboard

......................................................................................................................14

Installing the Keyboard

........................................................................................................................15

Removing the Palmrest

....................................................................................................................... 15

Installing the Palmrest

......................................................................................................................... 16

Removing the Wi

‐Fi Switch Board

.......................................................................................................17

Installing the Wi

‐Fi Switch Board

.........................................................................................................17

Removing the Memory Module

.......................................................................................................... 17

Installing the Memory Module

............................................................................................................ 18

Removing the WLAN Card

.................................................................................................................. 18

Installing the WLAN Card

.................................................................................................................... 18

Removing the WWAN Card

.................................................................................................................19

Installing the WWAN Card

...................................................................................................................19

Removing the Display Bezel

................................................................................................................19

Installing the Display Bezel

................................................................................................................. 20

Removing the Display Panel

...............................................................................................................20

Installing the Display Panel

..................................................................................................................21

Removing the Coin-Cell Battery

.........................................................................................................21

Installing the Coin-Cell Battery

.......................................................................................................... 22

Removing the Speakers

...................................................................................................................... 22

Installing the Speakers

........................................................................................................................ 23