Dell Inspiron 14 7437 User Manual

Inspiron 14
7000 Series

Owner’s Manual

Computer model: Inspiron 7437
Regulatory model: P42G
Regulatory type: P42G001

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.

____________________

© 2013 Dell Inc.

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

2013 - 09 Rev. A00

Contents

Before Working Inside Your Computer 7

Before You Begin 7
Recommended Tools 7
Safety Instructions 8

After Working Inside Your Computer 9

Removing the Base Cover 10

Procedure 10

Replacing the Base Cover 11

Procedure 11

Removing the Battery 12

Prerequisites 12
Procedure 12

Replacing the Battery 13

Procedure 13
Postrequisites 13

Removing the Speakers 14

Prerequisites 14
Procedure 14

Replacing the Speakers 15

Procedure 15
Postrequisites 15

Removing the Wireless Card 16

Prerequisites 16
Procedure 16

Replacing the Wireless Card 17

Procedure 17
Postrequisites 17

Contents | 3

Removing the Coin-Cell Battery 18

Prerequisites 18
Procedure 18

Replacing the Coin-Cell Battery 19

Procedure 19
Postrequisites 19

Removing the Fan 20

Prerequisites 20
Procedure 20

Replacing the Fan 21

Procedure 21
Postrequisites 21

Removing the Power-Adapter Port 22

Prerequisites 22
Procedure 22

Replacing the Power-Adapter Port 24

Procedure 24
Postrequisites 24

Removing the System Board 25

Prerequisites 25
Procedure 25

Replacing the System Board 28

Procedure 28
Postrequisites 28
Entering the Service Tag in the BIOS 28

Removing the mSATA Card 29

Prerequisites 29
Procedure 29

Replacing the mSATA Card 30

Procedure 30
Postrequisites 30

4 | Contents

Removing the Thermal-Cooling Assembly 31

Prerequisites 31
Procedure 31

Replacing the Thermal-Cooling Assembly 33

Procedure 33
Postrequisites 33

Removing the Keyboard 34

Prerequisites 34
Procedure 34

Replacing the Keyboard 36

Procedure 36
Postrequisites. 36

Removing the Display Assembly 37

Prerequisites 37
Procedure 37

Replacing the Display Assembly 41

Procedure 41
Postrequisites 41

Removing the Palm Rest 42

Prerequisites 42
Procedure 42

Replacing the Palm Rest 45

Procedure 45
Postrequisites 46

Flashing the BIOS 47

Contents | 5

6 | Contents

Before Working Inside Your Computer

Before You Begin

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

programs before turning off your computer.

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

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

NOTE: If you use 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 connected to your computer.

Recommended Tools

The procedures in this document require the following tools:

• Phillips screwdriver

• Torx #5 (T5) screwdriver

• Plastic scribe

Before Working Inside Your Computer | 7

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 more safety best practices,
see the Regulatory Compliance home page 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. See the
safety instructions for complete information about safety precautions, working
inside your computer, and protecting against electrostatic discharge.

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

flat and clean.

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 ports and
connectors are correctly oriented and aligned.

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

their edges and avoid touching pins and contacts.

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

8 | 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 other parts you removed before working on

your computer.

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

After Working Inside Your Computer | 9

Removing the Base Cover

1

2

3

5

4

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

that shipped with your computer and follow the steps in
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Procedure

1 Close the display, and turn the computer over.
2 Loosen the captive screws that secure the base cover to the palm-rest assembly.
3 Remove the screws that secure the base cover to the palm-rest assembly.
4 Using a plastic scribe, pry the base cover out of the palm-rest assembly.

"Before Working Inside

1 screws (6) 2 plastic scribe

3 captive screws (2) 4 base cover

5 palm-rest assembly

10 | 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
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Procedure

1 Slide the tabs on the base cover into the palm-rest assembly and snap the base

cover into place.

2 Replace the screws that secure the base cover to the palm-rest assembly.
3 Tighten the captive screws that secure the base cover to the palm-rest assembly.
4 Turn the computer over, open the display, and turn on the computer.

"Before Working Inside

Replacing the Base Cover | 11

Removing the Battery

1

2

3

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

that shipped with your computer and follow the steps in
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Prerequisites

Remove the base cover. See "Removing the Base Cover" on page 10.

Procedure

1 Remove the screws that secure the battery to the palm-rest assembly.
2 Disconnect the battery cable from the system board.
3 Remove the cable from the routing guides on the palm-rest assembly.
4 Lift the battery off the palm-rest assembly.

"Before Working Inside

1 routing guide 2 cable

3 screws (2)

5 Turn the computer over, open the display, and press the power button for about

five seconds to ground the system board.

12 | Removing the Battery

Replacing the Battery

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

that shipped with your computer and follow the steps in
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Procedure

1 Align the screw holes on the battery with the screw holes on the palm-rest assembly.
2 Replace the screws that secure the battery to the palm-rest assembly.
3 Route the battery cable through the routing guides on the palm-rest assembly.
4 Connect the battery cable to the system board.

Postrequisites

Replace the base cover. See "Replacing the Base Cover" on page 11.

"Before Working Inside

Replacing the Battery | 13

Removing the Speakers

3

2

1

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

that shipped with your computer and follow the steps in
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Prerequisites

1 Remove the base cover. See "Removing the Base Cover" on page 10.
2 Remove the battery. See "Removing the Battery" on page 12.

Procedure

1 Disconnect the speaker cable from the system board.
2 Using a plastic scribe, gently pry out the right speaker out of the palm-rest

assembly.

3 Remove the left-speaker cable from the routing guides on the palm-rest assembly.
4 Using a plastic scribe, gently pry out the left speaker out of the palm-rest assembly.

"Before Working Inside

1 speaker cable 2 right speaker

3 left speaker

14 | Removing the Speakers

Replacing the Speakers

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

that shipped with your computer and follow the steps in
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.

Procedure

1 Align the left speaker on the alignment posts and snap the speaker into place.
2 Route the left-speaker cable through the routing guides on the palm-rest assembly.
3 Align the right speaker on the alignment posts and snap the speaker into place.
4 Connect the speaker cable to the system board.

Postrequisites

1 Replace the battery. See "Replacing the Battery" on page 13.
2 Replace the base cover. See "Replacing the Base Cover" on page 11.

"Before Working Inside

Replacing the Speakers | 15