Dell Inspiron 5425 User Manual

Dell Inspiron 15R/M521R

Owner’s Manual

Computer model: Inspiron 5520/7520/5525

Regulatory model: P25F

Regulatory type: P25F001/P25F002

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®, 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.

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 - 09

Rev. A01

Contents

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

Turn Off Your Computer and Connected Devices . . . 7

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 7 Recommended Tools . . . . . . . . . . . . . . . . . . . . . . 8

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

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

Removing the Switch

Replacing the Switch

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

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

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

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

Removing the Keyboard

Replacing the Keyboard

6Base Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Removing the Base Cover . . . . . . . . . . . . . . . . . . 17 Replacing the Base Cover . . . . . . . . . . . . . . . . . . 18

7Memory Module(s) . . . . . . . . . . . . . . . . . . . . . . 19

Removing the Memory Module(s). . . . . . . . . . . . . 19 Replacing the Memory Module(s) . . . . . . . . . . . . . 20

8Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Removing the Hard Drive

Replacing the Hard Drive

9Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Removing the Optical Drive. . . . . . . . . . . . . . . . . 25 Replacing the Optical Drive . . . . . . . . . . . . . . . . . 26

Contents | 3

10 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . .		27
	Removing the Palm Rest . . . . . . . . . . . . . . . . . . .	27
	Replacing the Palm Rest . . . . . . . . . . . . . . . . . . .	31
11	Power-Adapter Port. . . . . . . . . . . . . . . . . . . . .	33
	Removing the Power-Adapter Port . . . . . . . . . . . .	33
	Replacing the Power-Adapter Port . . . . . . . . . . . .	34
12 Display Assembly . . . . . . . . . . . . . . . . . . . . . . .		35
	Removing the Display Assembly . . . . . . . . . . . . . .	35
	Replacing the Display Assembly . . . . . . . . . . . . . .	37
	Removing the Display Bezel . . . . . . . . . . . . . . . .	37
	Replacing the Display Bezel. . . . . . . . . . . . . . . . .	38
	Removing the Hinge Caps. . . . . . . . . . . . . . . . . .	39
	Replacing the Hinge Caps . . . . . . . . . . . . . . . . . .	40
	Removing the Display Panel . . . . . . . . . . . . . . . .	40
	Replacing the Display Panel. . . . . . . . . . . . . . . . .	43
13 Camera Module . . . . . . . . . . . . . . . . . . . . . . . .		45
	Removing the Camera Module. . . . . . . . . . . . . . .	45
	Replacing the Camera Module . . . . . . . . . . . . . . .	48
14 System Board . . . . . . . . . . . . . . . . . . . . . . . . . .		49
	Removing the System Board . . . . . . . . . . . . . . . .	49
	Replacing the System Board . . . . . . . . . . . . . . . .	52
	Entering the Service Tag in the BIOS . . . . . . . . . . .	53
15 Thermal-Cooling Assembly. . . . . . . . . . . . . . .		55
	Removing the Thermal-Cooling Assembly . . . . . . .	55
	Replacing the Thermal-Cooling Assembly . . . . . . .	57
16 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .		59
	Removing the Processor . . . . . . . . . . . . . . . . . . .	59
	Replacing the Processor . . . . . . . . . . . . . . . . . . .	61
17	Coin-Cell Battery . . . . . . . . . . . . . . . . . . . . . . .	63
	Removing the Coin-Cell Battery. . . . . . . . . . . . . .	63
	Replacing the Coin-Cell Battery . . . . . . . . . . . . . .	65

4 | Contents

18 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	67
Removing the Speakers . . . . . . . . . . . . . . . . . . .	67
Replacing the Speakers. . . . . . . . . . . . . . . . . . . .	69
19 Media Card Reader. . . . . . . . . . . . . . . . . . . . . .	71
Removing the Media Card Reader . . . . . . . . . . . .	71
Replacing the Media Card Reader. . . . . . . . . . . . .	73
20 Daughter Board . . . . . . . . . . . . . . . . . . . . . . . .	75
Removing the Daughter Board. . . . . . . . . . . . . . .	75
Replacing the Daughter Board . . . . . . . . . . . . . . .	77
21 Mini-Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	79
Removing the Mini-Card. . . . . . . . . . . . . . . . . . .	79
Replacing the Mini-Card . . . . . . . . . . . . . . . . . . .	80
22 Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . .	83

Contents | 5

6 | Contents

1Before 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.

2Follow the instructions to shut down your computer based on the operating system installed on your computer.

Windows 8:

Move your mouse pointer to the upper-right or lower-right corner of the screen to open the Charms sidebar, and then click Settings→ Power→ Shutdown.

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.

5Press and hold the power button for 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.

Before You Begin

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 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

2After Working Inside Your Computer

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

3Switch

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

1Slide the switch release latch to the side. The switch pops up.

2Lift the switch off the computer.

display cover

2 switch release latch

3switch

Switch | 11

Replacing the Switch

Procedure

1Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into place.

1	display cover	2	slots

3	tabs	4	switch

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

12 | Switch

4Battery

Removing the Battery

1Close the display and turn the computer over.

2Slide the battery release latches to the unlock position.

3Lift the battery out of the battery bay.

1 battery release latches (2)	2 battery

Replacing the Battery

1Align the tabs on the battery with the slots on the battery bay and snap the battery until it clicks into place.

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

Battery | 13

14 | Battery

5Keyboard

Removing the Keyboard

Prerequisites

1Remove the battery. See "Removing the Battery" on page 13.

Procedure

CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard.

1Turn the computer over and open the display as far as possible.

2Using 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

Keyboard | 15

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

4Lift the connector latch and pull the pull-tab to disconnect the keyboard cable from the connector on the system board.

5Lift the keyboard away from the computer.

1	keyboard cable	2 connector latch

3	tabs (5)

Replacing the Keyboard

Procedure

1Slide the keyboard cable into the connector on the system board and press down on the connector latch to secure the cable.

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

3Gently press around the edges of the keyboard to secure the keyboard under the tabs on the palm rest.

4Close the display and turn the computer over.

Postrequisites

1Replace the battery. See "Replacing the Battery" on page 13.

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

16 | Keyboard

6Base Cover

Removing the Base Cover

Prerequisites

1Remove the battery. See "Removing the Battery" on page 13.

Procedure

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

2Using your fingertips, pry the base cover from the computer base.

3Lift the base cover off the computer base.

1 base cover	2 captive screws (3)

Base Cover

Replacing the Base Cover

Procedure

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

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

Postrequisites

1Replace the battery. See "Replacing the Battery" on page 13.

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

Base Cover

7Memory Module(s)

Removing the Memory Module(s)

Prerequisites

1Remove the battery. See "Removing the Battery" on page 13.

2Remove the base cover. See "Removing the Base Cover" on page 17.

Procedure

CAUTION: To prevent damage to the memory-module connector, do not use tools to spread the memory-module securing clips.

1Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up.

2Remove the memory module from the memory-module connector.

1 memory-module connector

2 securing clips (2)

3memory module

Memory Module(s)

Replacing the Memory Module(s)

Procedure

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

2Slide the memory module firmly into the slot 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.

1 tab	2 notch

Postrequisites

1Replace the base cover. See "Replacing the Base Cover" on page 18.

2Replace the battery. See "Replacing the Battery" on page 13.

3Follow the instructions in "After Working Inside Your Computer" on page 9.

4Turn on the 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 in the computer:

Windows 8:

Move your mouse pointer to the upper-right or lower-right corner of the screen to open the Charms sidebar, and then click Settings→ Control Panel→ System and Security→ System.

Windows 7:

Click Start → Control Panel→ System and Security→ System.

20 | Memory Module(s)

8Hard Drive

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

Prerequisites

1Remove the battery. See "Removing the Battery" on page 13.

2Remove the base cover. See "Removing the Base Cover" on page 17.

Hard Drive

Procedure

1Remove the screws that secure the hard-drive assembly to the computer base.

2Using the pull-tab, slide the hard-drive assembly toward the back of the computer to disconnect the hard-drive assembly from the connector on the system board.

3Lift the hard-drive assembly out of the computer base.

1 pull-tab

2 screws (4)

3hard-drive assembly

Hard Drive

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

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

1 screws (4)

2 hard drive

3hard-drive bracket

Replacing the Hard Drive

Procedure

1Remove the new hard drive from its packaging.

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

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

3Replace the screws that secure the hard-drive bracket to the hard drive.

4Place the hard-drive assembly on the computer base.

5Using the pull-tab, slide the hard-drive assembly toward the front of the computer, to connect the hard-drive assembly to the connector on the system board.

6Replace the screws that secure the hard-drive assembly to the computer base.

Hard Drive

Postrequisites

1Replace the base cover. See "Replacing the Base Cover" on page 18.

2Replace the battery. See "Replacing the Battery" on page 13.

3Follow the instructions in "After Working Inside Your Computer" on page 9.

Hard Drive

9Optical Drive

Removing the Optical Drive

Prerequisites

1Remove the battery. See "Removing the Battery" on page 13.

2Remove the base cover. See "Removing the Base Cover" on page 17.

Procedure

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

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

1 optical-drive assembly

2 screw

Optical Drive

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

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

5Remove the optical-drive bracket.

1	optical-drive bezel	2	optical drive

3	optical-drive bracket	4	screws (2)

Replacing the Optical Drive

Procedure

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

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

3Align the tabs on the optical-drive bezel with the slots on the optical-drive assembly and snap the optical-drive bezel into place.

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

5Replace the screw that secures the optical-drive assembly to the computer base.

Postrequisites

1Replace the base cover. See "Replacing the Base Cover" on page 18.

2Replace the battery. See "Replacing the Battery" on page 13.

3Follow the instructions in "After Working Inside Your Computer" on page 9.

Optical Drive

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