Dell Inspiron 17R-7720 User Manual

Dell Inspiron 17R

Owner’s Manual

Computer model: Inspiron 17R-5720/17R-7720 Regulatory model: P15E Regulatory type: P15E001

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.

____________________

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, and Inspiron™ are trademarks of Dell Inc.; Microsoft trademarks of Microsoft corporation in the United States and/or other countries; Bluetooth registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.

Other trademarks and trade names may be used in this document 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.

2012 - 04 Rev. A00

®

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

®

is a

2 |

Contents

1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 7

Turn Off Your Computer and Connected Devices . . . 7

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 7

Recommended Tools . . . . . . . . . . . . . . . . . . . . . . 8

2 After Working Inside Your Computer . . . . . . . . 9

3 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Removing the Switch . . . . . . . . . . . . . . . . . . . . . 11

Replacing the Switch . . . . . . . . . . . . . . . . . . . . . 12

4Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Removing the Battery . . . . . . . . . . . . . . . . . . . . . 13

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

5 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Removing the Keyboard . . . . . . . . . . . . . . . . . . . 15

Replacing the Keyboard . . . . . . . . . . . . . . . . . . . 18

6 Base Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Removing the Base Cover . . . . . . . . . . . . . . . . . . 19

Replacing the Base Cover . . . . . . . . . . . . . . . . . . 20

7 Memory Module(s) . . . . . . . . . . . . . . . . . . . . . . 21

Removing the Memory Module(s). . . . . . . . . . . . . 21

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

8 Hard Drive(s). . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Removing the Hard Drive(s) . . . . . . . . . . . . . . . . . 23

Replacing the Hard Drive(s) . . . . . . . . . . . . . . . . . 26

9 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Removing the Optical Drive. . . . . . . . . . . . . . . . . 27

Replacing the Optical Drive . . . . . . . . . . . . . . . . . 29

Contents | 3

10 Wireless Mini-Card. . . . . . . . . . . . . . . . . . . . . . 31

Removing the Wireless Mini-Card. . . . . . . . . . . . . 31

Replacing the Wireless Mini-Card. . . . . . . . . . . . . 33

11 mSATA Card (Optional) . . . . . . . . . . . . . . . . . . 35

Removing the mSATA Card . . . . . . . . . . . . . . . . . 35

Replacing the mSATA Card . . . . . . . . . . . . . . . . . 37

12 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Removing the Palm Rest . . . . . . . . . . . . . . . . . . . 39

Replacing the Palm Rest . . . . . . . . . . . . . . . . . . . 41

13 Coin-Cell Battery . . . . . . . . . . . . . . . . . . . . . . . 43

Removing the Coin-Cell Battery. . . . . . . . . . . . . . 43

Replacing the Coin-Cell Battery . . . . . . . . . . . . . . 45

14 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . 47

Replacing the Fan . . . . . . . . . . . . . . . . . . . . . . . 48

15 LAN Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Removing the LAN Board . . . . . . . . . . . . . . . . . . 49

Replacing the LAN Board . . . . . . . . . . . . . . . . . . 51

16 LAN-USB Cable. . . . . . . . . . . . . . . . . . . . . . . . . 53

Removing the LAN-USB Cable . . . . . . . . . . . . . . . 53

Replacing the LAN-USB Cable . . . . . . . . . . . . . . . 55

17 USB Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Removing the USB Board . . . . . . . . . . . . . . . . . . 57

Replacing the USB Board . . . . . . . . . . . . . . . . . . 59

18 Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Removing the Display Assembly . . . . . . . . . . . . . . 61

Replacing the Display Assembly . . . . . . . . . . . . . . 63

Removing the Display Bezel . . . . . . . . . . . . . . . . 64

Replacing the Display Bezel. . . . . . . . . . . . . . . . . 65

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

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

4 | Contents

19 Camera Module . . . . . . . . . . . . . . . . . . . . . . . . 71

Removing the Camera Module. . . . . . . . . . . . . . . 71

Replacing the Camera Module . . . . . . . . . . . . . . . 74

20 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Removing the System Board . . . . . . . . . . . . . . . . 75

Replacing the System Board . . . . . . . . . . . . . . . . 79

Entering the Service Tag in the BIOS . . . . . . . . . . . 80

21 Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Removing the Heat Sink . . . . . . . . . . . . . . . . . . . 81

Replacing the Heat Sink . . . . . . . . . . . . . . . . . . . 83

22 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Removing the Processor. . . . . . . . . . . . . . . . . . . 85

Replacing the Processor . . . . . . . . . . . . . . . . . . . 87

23 Power-Adapter Port. . . . . . . . . . . . . . . . . . . . . 89

Removing the Power-Adapter Port . . . . . . . . . . . . 89

Replacing the Power-Adapter Port . . . . . . . . . . . . 91

24 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Removing the Speakers . . . . . . . . . . . . . . . . . . . 93

Replacing the Speakers. . . . . . . . . . . . . . . . . . . . 95

25 Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Removing the Subwoofer . . . . . . . . . . . . . . . . . . 97

Replacing the Subwoofer . . . . . . . . . . . . . . . . . . 99

26 Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . 101

Contents | 5

6 | Contents

Before You Begin

1

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.

1 Save and close all open files and exit all open programs. 2 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.

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

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

computer.

5 Press and hold the power button for about 5 seconds, after the computer is

unplugged, to ground the system board.

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.

Before You Begin | 7

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

8-in-1 Media Card Reader.

Recommended Tools

The procedures in this document may require the following tools:

• Phillips screwdriver

• Plastic scribe

• Small flat-blade screwdriver

8 | Before You Begin

After Working Inside Your Computer

2

After you complete replacement procedures, ensure the following:

• Replace all screws and ensure that no stray screws remain inside your computer

• Connect any external devices, cables, cards, and any other part(s) you removed

before working on your computer

• Connect your computer and all attached devices to their electrical outlets

CAUTION: Before turning on your computer, replace all screws and ensure that

no stray screws remain inside the computer. Failure to do so may damage your computer.

After Working Inside Your Computer | 9

10 | After Working Inside Your Computer

Switch

2

3

1

3

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Switch

1 Slide the switch release latch to the side.

The switch pops up.

2 Lift the switch off the computer.

1 display cover 2 switch

3 switch release latch

Switch | 11

Replacing the Switch

2

1

1 Align the tabs at the bottom of the switch with the slots on the display cover and

snap the switch into place.

NOTE: Ensure that the tabs on the switch are secured in the slots on the

display cover.

1 tabs 2 slots

2 Follow the instructions in "After Working Inside Your Computer" on page 9.

12 | Switch

Battery

1

2

4

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Battery

1 Close the display and turn the computer over. 2 Slide the battery release latches to the unlock position. 3 Lift the battery out of the battery bay.

1 battery release latches (2) 2 battery

Replacing the Battery

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

until it clicks into place.

2 Follow the instructions in "After Working Inside Your Computer" on page 9.

Battery | 13

14 | Battery

Keyboard

5

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Keyboard

Prerequisites

Remove the battery. See "Removing the Battery" on page 13.

Keyboard | 15

Procedure

2

3

1

4

CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and

time-consuming to replace. Be careful when removing and handling the keyboard.

1 Turn the computer over and open the display as far as possible. 2 Using a plastic scribe, release the keyboard from the tabs on the palm rest and ease

the keyboard up until it clears off the palm rest.

CAUTION: Be extremely careful when removing and handling the keyboard.

Failure to do so could result in scratching the display panel.

1 tabs (4) 2 plastic scribe

3 keyboard 4 palm rest

16 | Keyboard

3 Carefully turn the keyboard over and place it on the palm rest.

2

1

3

4 Lift the connector latch and pull the pull-tab to disconnect the

keyboard cable from the system-board connector.

5 Lift the keyboard away from the computer.

1 keyboard cable 2 connector latch

3 tabs (6)

Keyboard | 17

Replacing the Keyboard

Procedure

1 Slide the keyboard cable into the system-board 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 Close the display and turn the computer over.

Postrequisites

1 Replace the battery. See "Replacing the Battery" on page 13. 2 Follow the instructions in "After Working Inside Your Computer" on page 9.

18 | Keyboard

Base Cover

2

1

6

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Base Cover

Prerequisites

Remove the battery. See "Removing the Battery" on page 13.

Procedure

1 Loosen the captive screws that secure the base cover to the computer base. 2 Using your fingertips, pry the base cover from the computer base. 3 Lift the base cover off the computer base.

1 captive screws (2) 2 base cover

Base Cover | 19

Replacing the Base Cover

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

1 Replace the battery. See "Replacing the Battery" on page 13. 2 Follow the instructions in "After Working Inside Your Computer" on page 9.

20 | Base Cover

Memory Module(s)

1

2

3

7

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Memory Module(s)

Prerequisites

1 Remove the battery. See "Removing the Battery" on page 13. 2 Remove the base cover. See "Removing the Base Cover" on page 19.

Procedure

CAUTION: To prevent damage to the memory-module connector, do not use

tools to spread the memory-module securing clips.

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 Remove the memory module from the memory-module connector.

1 memory-module connector 2 securing clips (2)

3memory module

Memory Module(s) | 21

Replacing the Memory Module(s)

1

2

Procedure

CAUTION: If you need to install memory modules in two connectors, install a

memory module in the connector labeled "DIMM A" before you install a memory module in the connector labeled "DIMM B."

1 Align the notch on the memory module with the tab on the memory-module

connector.

2 Slide the memory module firmly into the connector at a 45-degree angle, and press

the memory module down until it clicks into place. If you do not hear the click, remove the memory module and reinstall it.

NOTE: If the memory module is not installed properly, the computer may not

boot.

1tab2notch

Postrequisites

1 Replace the base cover. See "Replacing the Base Cover" on page 20. 2 Replace the battery. See "Replacing the Battery" on page 13. 3 Follow the instructions in "After Working Inside Your Computer" on page 9. 4 Turn on your computer.

As the computer boots, it detects the memory module(s) and automatically updates the system configuration information.

To confirm the amount of memory installed on your computer: Click Start → Control Panel→ System and Security→ System.

22 | Memory Module(s)

Hard Drive(s)

8

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

CAUTION: To avoid data loss, do not remove the hard drive while the computer is

On or in Sleep state.

CAUTION: Hard drives are extremely fragile. Exercise care when handling the

hard drive.

Removing the Hard Drive(s)

Prerequisites

1 Remove the battery. See "Removing the Battery" on page 13. 2 Remove the base cover. See "Removing the Base Cover" on page 19.

Hard Drive(s) | 23

Procedure

1

2

1

2

1 Remove the screws that secure the hard-drive assembly to the

computer base.

2 Slide the hard-drive assembly toward the side of the computer to disconnect it

from the system-board connector.

3 Lift the hard-drive assembly off the computer base.

Inspiron 17R-7720

1 screws (4) 2 hard-drive assembly

Inspiron 17R-5720/Inspiron 17R-7720

1 screws (4) 2 hard-drive assembly

24 | Hard Drive(s)

4 Remove the screws that secure the hard-drive bracket to the hard drive.

1

2

3

1

2

3

5 Lift the hard-drive bracket off the hard drive.

Inspiron 17R-7720

1 screws (4) 2 hard drive

3 hard-drive bracket

Inspiron 17R-5720/Inspiron 17R-7720

1 screws (4) 2 hard drive

3 hard-drive bracket

Hard Drive(s) | 25

Replacing the Hard Drive(s)

Procedure

1 Remove the new hard drive from its packaging.

Save the original packaging for storing or shipping the hard drive.

2 Align the screw holes on the hard drive-bracket with the screw holes on the hard

drive.

3 Replace the screws that secure the hard-drive bracket to the hard drive. 4 Place the hard-drive assembly on the computer base. 5 Slide the hard-drive assembly to connect it to the system-board connector. 6 Replace the screws that secure the hard-drive assembly to the

computer base.

Postrequisites

1 Replace the base cover. See "Replacing the Base Cover" on page 20. 2 Replace the battery. See "Replacing the Battery" on page 13. 3 Follow the instructions in "After Working Inside Your Computer" on page 9.

26 | Hard Drive(s)

Optical Drive

2

1

9

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

that shipped with your computer and follow the steps in "Before You Begin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Removing the Optical Drive

Prerequisites

1 Remove the battery. See "Removing the Battery" on page 13. 2 Remove the base cover. See "Removing the Base Cover" on page 19.

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 optical-drive assembly 2 screw

Optical Drive | 27

3 Carefully pry the optical-drive bezel and remove it from the

1

2

4

3

optical-drive assembly.

4 Remove the screws that secure the optical-drive bracket to the

optical drive.

5 Remove the optical-drive bracket.

1 optical-drive bezel 2 optical drive

3 optical-drive bracket 4 screws (2)

28 | Optical Drive

Replacing the Optical Drive

Procedure

1 Align the screw holes on the optical-drive bracket with the screw holes on the

optical drive.

2 Replace the screws that secure the optical-drive bracket to the

optical drive.

3 Align the tabs on the optical-drive bezel with the slots on the

optical-drive assembly and snap the optical-drive bezel into place.

4 Slide the optical-drive assembly into the optical-drive bay until it is

fully seated.

5 Replace the screw that secures the optical-drive assembly to the

computer base.

Postrequisites

1 Replace the base cover. See "Replacing the Base Cover" on page 20. 2 Replace the battery. See "Replacing the Battery" on page 13. 3 Follow the instructions in "After Working Inside Your Computer" on page 9.

Optical Drive | 29

30 | Optical Drive