Dell M731R User Manual

Inspiron M731R

Owner’s Manual

Computer model: Inspiron 5735

Regulatory model: P17E

Regulatory type: P17E003

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 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.

2013 - 10 Rev. A00

®

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

Contents

Before Working Inside Your Computer 9

Before You Begin 9 Recommended Tools 9 Safety Instructions 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

Replacing the Base Cover 21

Procedure 21 Postrequisites 21

Contents | 3

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 24

Replacing the Hard Drive 26

Procedure 26 Postrequisites 26

Removing the Coin-Cell Battery 27

Prerequisites 27 Procedure 27

Replacing the Coin-Cell Battery 28

Procedure 28 Postrequisites 28

Removing the Palm Rest 29

Prerequisites 29 Procedure 29

Replacing the Palm Rest 32

Procedure 32 Postrequisites 32

Removing the Wireless Card 33

Prerequisites 33 Procedure 33

Replacing the Wireless Card 35

Procedure 35 Postrequisites 35

4 | Contents

Removing the I/O Board 36

Prerequisites 36 Procedure 36

Replacing the I/O Board 37

Procedure 37 Postrequisites 37

Removing the System Board 38

Prerequisites 38 Procedure 39

Replacing the System Board 42

Procedure 42 Postrequisites 43

Removing the Fan 44

Prerequisites 44 Procedure 44

Replacing the Fan 45

Procedure 45 Postrequisites 45

Removing the Heat Sink 46

Prerequisites 46 Procedure 46

Replacing the Heat Sink 47

Procedure 47 Postrequisites 47

Removing the Hard-Drive Interposer Board 48

Prerequisites 48 Procedure 48

Replacing the Hard-Drive Interposer Board 49

Procedure 49 Postrequisites 49

Contents | 5

Removing the Speakers 50

Prerequisites 50 Procedure 51

Replacing the Speakers 52

Procedure 52 Postrequisites 52

Removing the Display Assembly 53

Prerequisites 53 Procedure 54

Replacing the Display Assembly 55

Procedure 55 Postrequisites 55

Removing the Display Bezel 56

Prerequisites 56 Procedure 57

Replacing the Display Bezel 58

Procedure 58 Postrequisites 58

Removing the Display Hinges 59

Prerequisites 59 Procedure 60

Replacing the Display Hinges 61

Procedure 61 Postrequisites 61

Removing the Display Panel 62

Prerequisites 62 Procedure 63

Replacing the Display Panel 64

Procedure 64 Postrequisites 64

6 | Contents

Removing the Camera Module 65

Prerequisites 65 Procedure 66

Replacing the Camera Module 67

Procedure 67 Postrequisites 67

Removing the Power-Adapter Port 68

Prerequisites 68 Procedure 69

Replacing the Power-Adapter Port 70

Procedure 70 Postrequisites 70

Flashing the BIOS 71

Contents | 7

8 | Contents

Before Working Inside Your Computer

Before You Begin

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

programs before you turn off your computer.

1 Save and close all open files, exit all open programs, and turn off your computer.

• Windows 8: Point to the lower or upper-right corner of the screen to open the Charms sidebar and click Settings→ Power→ Shut down.

• Windows 7: Click Start → Shut down.

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

of your operating system for shut-down instructions.

2 After the computer shuts down, disconnect it from the electrical outlet. 3 Disconnect all cables — such as power and USB cables — from your computer.

4 Disconnect all peripherals from your computer.

Recommended Tools

The procedures in this document may require the following tools:

• Phillips screwdriver

• Plastic scribe

Before Working Inside Your Computer | 9

Safety Instructions

Use the following safety guidelines to protect your computer from potential damage and make sure 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: Only a certified service technician is authorized to remove the

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

CAUTION: To avoid damaging the computer, make sure that the work surface is

flat and clean.

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

computer and then unplug the cable from the network device.

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.

disconnecting cables, keep them evenly aligned to avoid bending any

When connector pins. When connecting cables, make sure that the connectors and ports are correctly oriented and aligned.

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

edges and avoid touching pins and contacts.

10 | Before Working Inside Your Computer

After Working Inside Your Computer

CAUTION: Leaving stray or loose screws inside your computer may severely

damage your computer.

1 Replace all screws and make sure that no stray screws remain inside

your computer.

2 Connect any cables, peripherals, and any other part(s) you removed before

working

3 Connect your computer to the electrical outlet. 4 Turn on your computer.

on your computer.

After Working Inside Your Computer | 11

Removing the Battery

2

1

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

1 Close the display and turn the computer over.

2 Slide the battery latches outward to unlock the battery. You hear a click when the

battery is unlocked.

3 Lift and remove the battery off the computer base.

1 battery 2 battery latches (2)

4 Turn the computer over and open the display as far as possible. 5 Press and hold the power button for 5 seconds, after the computer is unplugged,

to

12 | Removing the Battery

ground the system board.

Replacing the Battery

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

Align the tabs on the battery with the slots on the battery bay and snap the battery

place.

into

Replacing the Battery | 13

Removing the Optical Drive

2

1

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Prerequisites

Remove the battery. See "Removing the Battery" on page 12.

Procedure

1 Remove the screw that secures the optical-drive assembly to the computer base.

2 Using your fingertips, slide the optical-drive assembly out of the optical-drive bay.

1 screw 2 optical-drive assembly

14 | Removing the Optical Drive

3 Remove the screw that secures the optical-drive bracket to the

4

1

3

2

optical-drive assembly and remove the optical-drive bracket.

4 Carefully pull the optical-drive bezel and remove it from the optical drive.

1 optical-drive bezel 2 optical drive

3 screw 4 optical-drive bracket

Removing the Optical Drive | 15

Replacing the Optical Drive

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

1 Align the tabs on the optical-drive bezel with the slots on the optical drive and snap

the optical-drive bezel into place.

2 Align the screw hole on the optical-drive bracket with the screw hole on

the optical-drive assembly and replace the screw that secures the optical-drive bracket to the optical-drive assembly.

3 Slide the optical-drive assembly into the optical-drive bay and align the screw hole

on the optical-drive bracket with the screw hole on the computer base.

4 Replace the screw that secures the optical-drive assembly to the computer base.

Postrequisites

Replace the battery. See "Replacing the Battery" on page 13.

16 | Replacing the Optical Drive

Removing the Keyboard

1

2

3

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Prerequisites

Remove the battery. See "Removing the Battery" on page 12.

Procedure

1 Open the display as far as possible.

2 Using a plastic scribe, pry the keyboard from the tabs on the palm rest.

1 tabs (4) 2 plastic scribe

3 keyboard

Removing the Keyboard | 17

3 Turn the keyboard over and place it on the palm rest.

1 2

3

4

4 Lift the connector latch and disconnect the keyboard cable from the

keyboard-cable connector.

5 Lift the keyboard off the palm rest.

1 keyboard cable 2 connector latch

3 keyboard 4 palm rest

18 | Removing the Keyboard

Replacing the Keyboard

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

1 Slide the keyboard cable into the keyboard-cable connector and press down on the

connector latch to secure the cable.

2 Slide the tabs at the bottom of the keyboard into the slots on the palm-rest and

place the keyboard on the palm rest.

3 Gently press around the edges of the keyboard to secure the keyboard under the

tabs on the palm rest.

4 Replace the screws that secure the keyboard to the computer base.

Postrequisites

Replace the battery. See "Replacing the Battery" on page 13.

Replacing the Keyboard | 19

Removing the Base Cover

1

2

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Prerequisites

Remove the battery. See "Removing the Battery" on page 12.

Procedure

1 Loosen the captive screws that secure the base cover to the computer base.

2 Using your fingertips, lift the base cover out of the slots on the computer base.

1 captive screws (2) 2 base cover

20 | Removing the Base Cover

Replacing the Base Cover

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

1 Slide the tabs on the base cover into the slots on the computer base and snap the

base cover into place.

2 Tighten the captive screws that secure the base cover to the computer base.

Postrequisites

Replace the battery. See "Replacing the Battery" on page 13.

Replacing the Base Cover | 21

Removing the Memory Module(s)

2

3

1

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

shipped with your computer and follow the steps in "Before Working Inside Your Computer" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Prerequisites

1 Remove the battery. See "Removing the Battery" on page 12.

2 Remove the base cover. See "Removing the Base Cover" on page 20.

Procedure

1 Use your fingertips to carefully spread apart the securing-clips on each end of the

memory-module connector until the memory module pops up.

2 Slide and remove the memory module from the memory-module connector.

1 memory-module connector 2 securing-clips (2)

3 memory module

22 | Removing the Memory Module(s)