Dell Inspiron 5721 Manual de usuario

Inspiron 17/17R

Owner’s Manual

Computer model: Inspiron 3721/5721

Regulatory model: P17E

Regulatory type: P17E001

book.book Page 1 Friday, December 14, 2012 3:32 PM

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.

____________________

Trademarks used in this text: Dell™, the DELL logo, and Inspiron™are trademarks of Dell Inc.;

Microsoft®, Windows®, and the Windows start button logo are either trademarks or registered

trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth®

is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.

2012 - 12 Rev. A00

book.book Page 2 Friday, December 14, 2012 3:32 PM

Contents | 3

Contents

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Turn Off Your Computer and Connected Devices. . . . . 9

Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . 10

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

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

Removing the Battery . . . . . . . . . . . . . . . . . . . . . . 12

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . 13

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Removing the Optical Drive . . . . . . . . . . . . . . . . . 14

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Replacing the Optical Drive . . . . . . . . . . . . . . . . . 16

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Removing the Keyboard . . . . . . . . . . . . . . . . . . . . 17

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . 19

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Removing the Base Cover . . . . . . . . . . . . . . . . . . . 20

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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4| Contents

Replacing the Base Cover . . . . . . . . . . . . . . . . . . . 21

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Removing the Memory Module(s). . . . . . . . . . . . . 22

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Replacing the Memory Module(s). . . . . . . . . . . . . 23

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Removing the Hard Drive . . . . . . . . . . . . . . . . . . . 24

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Replacing the Hard Drive. . . . . . . . . . . . . . . . . . . . 27

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Removing the Coin-Cell Battery. . . . . . . . . . . . . . 28

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Replacing the Coin-Cell Battery . . . . . . . . . . . . . . 29

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Removing the Palm-Rest. . . . . . . . . . . . . . . . . . . . 30

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Replacing the Palm-Rest . . . . . . . . . . . . . . . . . . . . 33

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

book.book Page 4 Friday, December 14, 2012 3:32 PM

Contents | 5

Removing the Wireless Mini-Card . . . . . . . . . . . . 34

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Replacing the Wireless Mini-Card . . . . . . . . . . . . 36

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Removing the I/O Board . . . . . . . . . . . . . . . . . . . . 37

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Replacing the I/O Board . . . . . . . . . . . . . . . . . . . . 38

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Removing the System Board . . . . . . . . . . . . . . . . . 39

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Replacing the System Board . . . . . . . . . . . . . . . . . 43

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . . . 45

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Replacing the Fan. . . . . . . . . . . . . . . . . . . . . . . . . . 47

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Removing the Cooling Assembly . . . . . . . . . . . . . 48

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

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6| Contents

Replacing the Cooling Assembly . . . . . . . . . . . . . 50

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Removing the Hard-Drive Interposer Board . . . . 51

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Replacing the Hard-Drive Interposer Board . . . . 53

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Removing the Speakers . . . . . . . . . . . . . . . . . . . . . 54

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Replacing the Speakers . . . . . . . . . . . . . . . . . . . . . 56

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Removing the Display Assembly . . . . . . . . . . . . . . 57

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Replacing the Display Assembly . . . . . . . . . . . . . . 59

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Removing the Display Bezel . . . . . . . . . . . . . . . . . 60

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Replacing the Display Bezel . . . . . . . . . . . . . . . . . 62

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

book.book Page 6 Friday, December 14, 2012 3:32 PM

Contents | 7

Removing the Display Hinges . . . . . . . . . . . . . . . . 63

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Replacing the Display Hinges . . . . . . . . . . . . . . . . 65

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Removing the Display Panel . . . . . . . . . . . . . . . . . 66

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Replacing the Display Panel . . . . . . . . . . . . . . . . . 69

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Removing the Camera Module . . . . . . . . . . . . . . . 70

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Replacing the Camera Module . . . . . . . . . . . . . . . 72

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Removing the Power-Adapter Port . . . . . . . . . . . 73

Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Replacing the Power-Adapter Port . . . . . . . . . . . 75

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . 76

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8| Contents

book.book Page 8 Friday, December 14, 2012 3:32 PM

Before You Begin | 9

Before You Begin

Turn Off Your Computer and Connected Devices

CAUTION: To avoid losing data, save and close all open files and exit all open

programs before you turn off your computer.

1Save and close all open files and exit all open programs.

2Shut down your computer.

Windows 8:

aPoint your mouse pointer to the upper-right or lower-right corner of the

screen to open the Charms sidebar.

bIn the Charms sidebar, click Settings→ Power→ Shut down.

Windows 7:

Click Start and click Shut down.

Microsoft Windows shuts down and then the computer turns off.

NOTE: If you are using a different operating system, see the documentation

of your operating system for shut-down instructions.

3Disconnect your computer and all attached devices from their electrical outlets.

4Disconnect all telephone cables, network cables, and attached devices from your

computer.

5After you unplug all the cables from the computer, press and hold the power

button for 5 seconds to ground the system board.

book.book Page 9 Friday, December 14, 2012 3:32 PM

10 | BeforeYouBegin

Safety Instructions

Use the following safety guidelines to protect your computer from potential damage and

ensure your personal safety.

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

dell.com/regulatory_compliance.

WARNING: Disconnect all power sources before opening the computer cover or

panels. After you finish working inside the computer, replace all covers, panels,

and screws before connecting to the power source.

CAUTION: To avoid damaging the computer, ensure that the work surface is flat

and clean.

CAUTION: To avoid damaging the components and cards, handle them by their

edges and avoid touching pins and contacts.

CAUTION: Only a certified service technician is authorized to remove the

computer cover and access any of the components inside the computer. See the

safety instructions for complete information about safety precautions, working

inside your computer, and protecting against electrostatic discharge.

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.

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 or

thumb-screws that you must disengage before disconnecting the cable.

When disconnecting cables, keep them evenly aligned to avoid bending any

connector pins. When connecting cables, ensure that the connectors and ports

are correctly oriented and aligned.

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

computer and then unplug the cable from the network device.

CAUTION: Press and eject any installed card from the media-card reader.

Recommended Tools

The procedures in this document may require the following tools:

•Phillips screwdriver

•Plastic scribe

book.book Page 10 Friday, December 14, 2012 3:32 PM

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