Dell Latitude E6420 Manuale utente

Dell Latitude E6420 and E6420 ATG Owner's

Manual

Regulatory Model P15G

Regulatory Type P15G001, P15G002

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use of your

computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of data if

instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal injury, or

death.

Information in this publication is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is

strictly forbidden.

Trademarks used in this text: Dell™, the DELL logo, Dell Precision™, Precision ON™,ExpressCharge™,

Latitude™, Latitude ON™, OptiPlex™, Vostro™, and Wi-Fi Catcher™are trademarks of Dell Inc. Intel®,

Pentium®, Xeon®, Core™, Atom™, Centrino®, and Celeron®are registered trademarks or trademarks of Intel

Corporation in the U.S. and other countries. AMD®is a registered trademark and AMD Opteron™,

AMD Phenom™, AMD Sempron™, AMD Athlon™, ATI Radeon™, and ATI FirePro™are trademarks of

Advanced Micro Devices, Inc. Microsoft®, Windows®, MS-DOS®, Windows Vista®, the Windows Vista start

button, and Office Outlook®are either trademarks or registered trademarks of Microsoft Corporation in the

United States and/or other countries. Blu-ray Disc™is a trademark owned by the Blu-ray Disc Association

(BDA) and licensed for use on discs and players. The Bluetooth®word mark is a registered trademark and

owned by the Bluetooth®SIG, Inc. and any use of such mark by Dell Inc. is under license. Wi-Fi®is a

registered trademark of Wireless Ethernet Compatibility Alliance, Inc.

Other trademarks and trade names may be used in this publication to refer to either the entities claiming the

marks and names or their products, Dell Inc. disclaims any proprietary interest in trademarks and trade

names other than its own.

2011 – 07

Rev. A00

Contents

Notes, Cautions, and Warnings..................................................................2

1 Working on Your Computer......................................................................9

Before Working Inside Your Computer.............................................................................9

Recommended Tools.......................................................................................................10

Turning Off Your Computer..............................................................................................11

After Working Inside Your Computer..............................................................................11

2 ATG Handle...............................................................................................13

Removing The ATG Handle..............................................................................................13

Installing The ATG Handle...............................................................................................14

3 ATG Port Cover.........................................................................................15

Removing the ATG Port Cover.........................................................................................15

Installing The ATG Port Cover.........................................................................................16

4 Modem Connector Plug..........................................................................17

Removing the Modem Connector Plug............................................................................17

Installing the Modem Connector Plug.............................................................................18

5 ExpressCard..............................................................................................19

Removing the ExpressCard.............................................................................................19

Installing the ExpressCard..............................................................................................19

6 Battery........................................................................................................21

Removing the Battery......................................................................................................21

Installing the Battery.......................................................................................................22

7 Subscriber Identity Module (SIM) Card...............................................23

Removing the Subscriber Identity Module (SIM) Card...................................................23

Installing the Subscriber Identity Module (SIM) Card....................................................24

8 Secure Digital (SD) Card.........................................................................25

Removing the Secure Digital (SD) Card..........................................................................25

Installing the Secure Digital (SD) Card............................................................................25

9 Base Cover................................................................................................27

Removing the Base Cover...............................................................................................27

Installing the Base Cover................................................................................................28

10 Hard Drive................................................................................................29

Removing the Hard Drive................................................................................................29

Installing the Hard Drive..................................................................................................30

11 Optical Drive............................................................................................31

Removing The Optical Drive............................................................................................31

Installing the Optical Drive..............................................................................................34

12 Memory Card..........................................................................................35

Removing the Memory Card............................................................................................35

Installing the Memory Card.............................................................................................36

13 Wireless Local Area Network (WLAN) Card.....................................37

Removing the Wireless Local Area Network (WLAN) Card............................................37

Installing the Wireless Local Area Network (WLAN) Card.............................................39

14 Wireless Wide Area Network (WWAN) Card...................................41

Removing the Wireless Wide Area Network (WWAN) Card..........................................41

Installing the Wireless Wide Area Network (WWAN) Card...........................................43

15 Coin-Cell Battery....................................................................................45

Removing the Coin-Cell Battery......................................................................................45

Installing the Coin-Cell Battery.......................................................................................46

16 Heat Sink..................................................................................................47

Removing The Heat Sink.................................................................................................47

Installing The Heat Sink..................................................................................................49

17 Bluetooth Card........................................................................................51

Removing the Bluetooth Card.........................................................................................51

Installing the Bluetooth Card...........................................................................................53

18 Keyboard Trim.........................................................................................55

Removing the Keyboard Trim..........................................................................................55

Installing the Keyboard Trim...........................................................................................56

19 Keyboard..................................................................................................57

Removing the Keyboard..................................................................................................57

Installing the Keyboard...................................................................................................60

20 Modem Card............................................................................................61

Removing the Modem Card.............................................................................................61

Installing the Modem Card..............................................................................................63

21 Palm Rest.................................................................................................65

Removing the Palm Rest Assembly.................................................................................65

Installing the Palm Rest Assembly..................................................................................68

22 Smart Card Reader.................................................................................69

Removing the Smart Card................................................................................................69

Installing the Smart Card.................................................................................................71

23 Media Board...........................................................................................73

Removing The Media Board............................................................................................73

Installing the Media Board..............................................................................................75

24 ExpressCard Cage..................................................................................77

Removing the ExpressCard Cage....................................................................................77

Installing the ExpressCard Cage.....................................................................................78

25 System Board Components..................................................................79

Removing the System Board...........................................................................................79

Installing the System Board............................................................................................84

26 Speaker....................................................................................................85

Removing the Speakers..................................................................................................85

Installing the Speakers....................................................................................................87

27 Modem Connector.................................................................................89

Removing the Modem Connector....................................................................................89

Installing the Modem Connector.....................................................................................93

28 Input/Output Panel.................................................................................95

Removing the Input/Output (I/O) Board...........................................................................95

Installing the Input/Output (I/O) Board............................................................................97

29 DC-In Port................................................................................................99

Removing DC-in Port.......................................................................................................99

Installing DC-In Port......................................................................................................102

30 Display Assembly.................................................................................103

Removing the Display Assembly...................................................................................103

Installing the Display Assembly....................................................................................106

31 Display Hinges......................................................................................107

Removing the Display Hinge Covers.............................................................................107

Installing the Display Hinge Covers..............................................................................110

32 Display Bezel.........................................................................................111

Removing the Display Bezel..........................................................................................111

Installing the Display Bezel...........................................................................................112

33 Display Panel........................................................................................113

Removing the Display Panel..........................................................................................113

Installing the Display Panel...........................................................................................115

34 Display Bracket....................................................................................117

Removing the Display Bracket......................................................................................117

Installing the Display Bracket.......................................................................................117

35 Camera...................................................................................................119

Removing the Camera...................................................................................................119

Installing the Camera....................................................................................................120

36 Specifications.......................................................................................121

Technical Specifications...............................................................................................121

37 System Setup........................................................................................129

Setup Overview.............................................................................................................129

Entering System Setup..................................................................................................129

System Setup Menu......................................................................................................129

38 Diagnostics............................................................................................141

Diagnostic LED Codes...................................................................................................141

Battery Status Lights.....................................................................................................142

Device Status Lights......................................................................................................143

39 Contacting Dell.....................................................................................145

Contacting Dell..............................................................................................................145

Working on Your Computer 1

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from potential

damage and to help to ensure your personal safety. Unless otherwise noted,

each procedure included in this document assumes that the following

conditions exist:

• You have performed the steps in Working on Your Computer.

• You have read the safety information that shipped with your computer.

• A component can be replaced or--if purchased separately--installed by

performing the removal procedure in reverse order.

WARNING: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see

the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: Many repairs may only be done by a certified service technician. You

should only perform troubleshooting and simple repairs as authorized in your

product documentation, or as directed by the online or telephone service and

support team. Damage due to servicing that is not authorized by Dell is not covered

by your warranty. Read and follow the safety instructions that came with the

product.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist

grounding strap or by periodically touching an unpainted metal surface, such as a

connector on the back of the computer.

CAUTION: Handle components and cards with care. Do not touch the components

or contacts on a card. Hold a card by its edges or by its metal mounting bracket.

Hold a component such as a processor by its edges, not by its pins.

CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not

on the cable itself. Some cables have connectors with locking tabs; if you are

disconnecting this type of cable, press in on the locking tabs before you disconnect

the cable. As you pull connectors apart, keep them evenly aligned to avoid bending

any connector pins. Also, before you connect a cable, ensure that both connectors

are correctly oriented and aligned.

NOTE: The color of your computer and certain components may appear differently

than shown in this document.

To avoid damaging your computer, perform the following steps before you begin

working inside the computer.

1. Ensure that your work surface is flat and clean to prevent the computer

cover from being scratched.

2. Turn off your computer (see

Turning Off Your Computer

3. If the computer is connected to a docking device (docked) such as the

optional Media Base or Battery Slice, undock it.

CAUTION: To disconnect a network cable, first unplug the cable from your

computer and then unplug the cable from the network device.

4. Disconnect all network cables from the computer.

5. Disconnect your computer and all attached devices from their electrical

outlets.

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 battery

before you service the computer.

7. Remove the main battery.

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, always unplug your computer from the

electrical outlet before opening the display.

CAUTION: Before touching anything inside your computer, ground yourself by

touching an unpainted metal surface, such as the metal at the back of the

computer. While you work, periodically touch an unpainted metal surface to

dissipate static electricity, which could harm internal components.

11. Remove any installed ExpressCards or Smart Cards from the appropriate

slots.

Recommended Tools

The procedures in this document may require the following tools:

• Small flat-blade screwdriver

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