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Dell Solution Network: Knowledge Base Article

Dell™ Inspiron™ 1545 Service Manual

Journal ID: 102633GVJL

Article ID: 361294

Date Published: 07/09/2010

Last Revised: 07/09/2010

» Summary

ArticleSummary:

This article provides hardware information aboutthe Inspiron 1545 to help you with any of your hardware needs, including topics such as harddrive, memory, keyboard, and much more.

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» Diagnostics

For information about how to run Diagnostics to check for hardware problems, see "Dell Hardware

Diagnostics," Article ID: 362645.

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» Drivers and BIOS Updates

It is important to download the latest drivers for your computer setup (also called the BIOS) for your

system. For information about how to update your BIOS with the latest driver versions, see "How to

Get the Latest System Setup (BIOS) Update," Article ID: 134892.

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» Read This Section Before Replacing Hardware

This section provides procedures for removing and installing thecomponents in your computer. Unless otherwise noted, each procedureassumes that the following conditions exist:

You have shut down your computer and performed the steps in BeforeWorking Inside Your Computer .

You have read the safety information that shipped with your computer .A component can be replaced orif purchased separatelyinstalledby performing the removal procedure in reverse order.

Recommended Tools

The procedures in this document may require the following tools:

Small flat-blade screwdriver Phillips screwdriver Processor extraction toolBIOS upgrade CD

Turning Off Your Computer

NOTICE: To avoid losing data, save and close al l open files and exitall open programs before you turn off your computer.

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

Shut down your computer.2.

The computer turns off after the operating system shutdown processfinishes.

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Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold thepower button for at least 8 to 10 seconds until the computer turns off.

3.

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer frompotential damage and to help to ensure your own personal safety.

CAUTION: 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 www.dell.com/regulatory_compliance.

NOTICE: Handle components and cards with care. Do not touch thecomponents or contacts on a card. Hold a card by its edges or by itsmetal mounting bracket. Hold a component such as a processor by itsedges, not by its pins.

NOTICE: Only a certified service technician should perform repairs onyour computer. Damage due to servicing that is not authorized byDell™ is not covered by your warranty.

NOTICE: When you disconnect a cable, pull on its connector or on itspull-tab, not on the cable itself. Some cables have connectors withlocking tabs; if you are disconnecting this type of cable, press in onthe locking tabs before you disconnect the cable. As you pullconnectors apart, keep them evenly aligned to avoid bending anyconnector pins. Also, before you connect a cable, ensure that bothconnectors are correctly oriented and aligned.

NOTICE: To avoid damaging the computer, perform the followingsteps before you begin working inside the computer.

Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

1.

Turn off your computer.2.

If the computer is connected to a docking device (docked), undock it.See the documentation that came with your docking device for instructions.

3.

NOTICE: To disconnect a network cable, first unplug the cable fromyour computer and then unplug the cable from the network device.

Disconnect all telephone or network cables from the computer.4.

Press and eject any installed cards from the ExpressCard slot and the8-in-1 memory card reader.

5.

Disconnect your computer and all attached devices from their

electrical outlets.

6.

NOTICE: To help prevent damage to the system board, you mustremove the battery from the battery bay before you service thecomputer.

NOTICE: To avoid damage to the computer, use only the batterydesigned for this particular Dell computer. Do not use batteriesdesigned for other Dell computers.

Turn the computer over.7.

Slide and hold the battery release latch.8.

Slide the battery out of the battery bay.9.


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1 battery release latch 2 battery

Press the power button to ground the system board.10.

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» Base Cover


information that shipped with your computer. For additional safety

best practices information, see the Regulatory Compliance


CAUTION: Before performing this procedures, turn off the

computer, disconnect the AC adapter from the electrical outlet

and the computer, disconnect the modem from the wall

connector and the computer, and remove any other external

cables from the computer.

NOTICE: To avoid electrostatic discharge, ground yourself by using awrist grounding strap or by periodically touching an unpainted metalsurface (such as a connector on the back of the computer).

NOTICE: To help prevent damage to the system board, remove themain battery (see Before Working Inside Your Computer ) beforeworking inside the computer.

NOTICE: Only a certified service technician should perform repairs on

your computer. Damage due to servicing that is not authorized byDell™ is not covered by your warranty.

Removing the Base Cover

Ensure that the computer is turned off.1.

Remove the battery (see Before Working Inside Your Computer ).2.

Loosen the four captive screws on the base cover and lift the cover away from the computer at

an angle as shown in the figure.

3.

CAUTION: Do not touch the processor heat sink. Processor

components should be removed only by trained support

personnel.

1 base cover 2 captive screws (4)

Replacing the Base Cover

Align the tabs on the base cover to the bottom of the computer.1.


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Tighten the four captive screws on the base cover.2.

Slide the battery into the battery bay until it clicks into place.3.

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» Hard Drive

CAUTION: If you remove the hard drive from the computer when the

drive is hot, do not touch the metal housing of the hard drive.





NOTICE: To prevent data loss, turn off your computer before removingthe hard drive. Do not remove the hard drive while the computer is onor in Sleep state.

NOTICE: Hard drives are extremely fragile. Exercise care whenhandling the hard drive.



NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell.

NOTE: If you are installing a hard drive from a source other than Dell,you need to install an operating system, drivers, and utilities on the

new hard drive (for more information see the Dell Technology Guide).

Removing the Hard Drive

Follow the instructions in Before You Begin.1.

Remove the two screws securing the hard drive assembly to the computer base.2.

Slide the hard drive assembly out of the bay.3.

NOTICE: When the hard drive is not in the computer, store it inprotective antistatic packaging (see "Protecting Against ElectrostaticDischarge" in the safety instructions that shipped with your computer).

1 screws (2) 2 hard drive assembly

Remove the two screws (one from either side) securing the hard drive cage and bezel to the

hard drive.

4.

Remove the hard drive bezel.5.

Lift the hard drive cage off the hard drive.6.


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1 hard drive cage 2 screws (2)

3 hard drive 4 hard drive bezel

Replacing the Hard Drive

Remove the new drive from its packaging.1.

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

NOTICE: Use firm and even pressure to sl ide the drive into place. If

you use excessive force, you may damage the connector.

Replace the hard drive cage and the hard drive bezel.2.

Replace the two screws (one on either side) that secure the hard drive cage and bezel to the

hard drive.

3.

Slide the hard drive assembly into the bay.4.

Replace the two screws that secure the hard drive assembly to the computer base.5.

NOTICE: Before turning on the computer, replace all screws andensure that no stray screws remain inside the computer. Failure to doso may result in damage to the computer.

Slide the battery into the bay until it clicks into place.6.

Install the operating system for your computer, as needed (see Dell Technology Guide).7.

Install the drivers and utilities for your computer, as needed (see Dell Technology Guide).8.

Note:

For information on how to use drivers and downloads,see "How to Use the Drivers and Downloads Website,"Article ID: 324722.

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» Memory



safety best practices information, see the Regulatory ComplianceHomepage at www.dell.com/regulatory_compliance.




You can increase your computer memory by installing memory modules on the system board. See

"Specifications" in your Setup Guide for information on the memory supported by your computer. Installonly memory modules that are intended for your computer.

NOTE: Memory modules purchased from Dell are covered under your computer warranty.

Your computer has two user-accessible SODIMM sockets that can be accessed from the bottom of the


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computer. The DIMM B memory module is located directly above the DIMM A memory module located

on the bottom of the computer.

NOTICE: If you need to install memory modules in two connectors,install a memory module in the connector labeled "DIMM A" beforeyou install a module in the connector labeled "DIMM B."

Removing the Memory Module(s)


Remove the base cover (see Removing the Base Cover ).2.

NOTICE: To prevent damage to the memory module connector, do notuse tools to spread the memory module securing clips.

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

module connector until the module pops up.

3.

Remove the memory module from the connector.4.

1 memory module connector 2 securing clips (2)

3 memory module

Replacing the Memory Module(s)

Align the notch in the edge of the memory module with the tab in the memory module

connector.

1.

Slide the module firmly into the slot at a 45-degree angle, and press the module down until it

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

2.

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

1 tab 2 notch

NOTICE: If the cover is difficult to close, remove the memory moduleand reinstall it. Forcing the cover to close may damage your computer.

Replace the base cover (see Replacing the Base Cover ).3.

Slide the battery into the battery bay, o r connect the AC adapter to your computer and anelectrical outlet.

4.

Turn on the computer.5.

As the computer boots, it detects the additional memory and automatically updates the system

configuration information.


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To confirm the amount of memory installed in the computer, click Start ® Help and Support®

Dell System Information.

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» Optical Drive




Homepage at www.dell.com/regulatory_compliance.NOTICE: To avoid electrostatic discharge, ground yourself by using awrist grounding strap or by periodically touching an unpainted metalsurface (such as the back panel) on the computer.



Removing the Optical Drive


Remove the screw that secures the optical drive to the computer base.2.

Using a plastic scribe or screwdriver, push the optical drive out of the bay.3.

1 optical drive 2 screw

Replacing the Optical Drive

Slide the optical drive into the bay.1.

Replace the screw that secures the optical drive to the computer base.2.


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» Keyboard








Removing the Keyboard


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Remove the center control cover (see Removing the Center Control Cover ).2.

Remove the two screws at the top of the keyboard.3.

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

NOTICE: Be extremely careful when removing and handling the

keyboard. Failure to do so could result in scratching the displaypanel.

Carefully slide the keyboard out of the computer and turn it over to access the keyboard

connector. Do not pull hard on the keyboard.

4.

1 keyboard 2 screws (2)

3 keyboard tabs (6) 4 connector latch

5 keyboard cable

Lift the connector latch that secures the keyboard cable to the connector on the system board

and remove the cable.

5.

Lift the keyboard away from the computer.6.

Replacing the Keyboard

Slide the keyboard cable into the connector on the system board and press down on the

connector latch that secures the keyboard cable to the system board connector.

1.

Align the tabs along the bottom of the keyboard with the slots of the palm rest and slide the

keyboard under the palm rest.

2.

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

Replace the two screws at the top of the keyboard.3.

Replace the center control cover (see Replacing the Center Control Cover ).4.


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» Internal Card With Bluetooth® Wireless Technology







NOTICE: Only a certified service technician should perform repairs onyour computer. Damage due to servicing that is not authorized by


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Dell™ is not covered by your warranty.

If you ordered a card with Bluetooth wireless technology with your computer, it is already installed.

Removing the Card


Remove the center control cover (see Removing the Center Control Cover ).2.

Remove the keyboard (see Removing the Keyboard).3.

Remove the screw that secures the Bluetooth card and lift the card off the computer.4.

NOTICE: Be extremely careful when removing the cable board. Thecable board is glued to the computer. Do not pull on the cable toloosen the cable board.

Use a plastic scribe or screwdriver to pry the cable board off the computer.5.

Remove the cable from its routing.6.

1 cable connector 2 screwdriver

3 cable board 4 Bluetooth card

5 screw

Disconnect the cable from the system board connector.7.

Remove the cable board from the computer.8.

Replacing the Card

Replace the cable board.1.

Route the cable through the routing guides.2.

Connect the cable to the system board connector.3.

Replace the screw that secures the Bluetooth card.4.

Replace the keyboard (see Replacing the Keyboard).5.

Replace the center control cover (see Replacing the Center Control Cover ).6.


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» Wireless Mini-Card



safety best practices information, see the Regulatory ComplianceHomepage at www.dell.com/regulatory_compliance.



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NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.

If you ordered a wireless Mini-Card with your computer, the card is already installed.

Your computer supports one half Mini-Card slot for WLAN.

NOTE: The WLAN slot supports a half Mini-Card.

NOTE: Depending on the configuration of the system when it wassold, the Mini-Card slot may not have any Mini-Card installed.

Removing the Mini-Card

NOTE: The location of the Mini-Card may change according to thedisplay adapter supported by your computer. To find the type of

display adapter on your computer, click Start® Control Panel®

System® Device Manager ® Display adapters.


Remove the following parts based on the display adapter supported by your computer.

Mobile Intel®

GMA:

Remove the base cover (see Removing the Base Cover ).

ATI Mobility Radeon:

Remove the system board and turn it over (see Removing the System Board).

2.

Disconnect the Mini-Card cables from the Mini-Card, if applicable.3.

Remove the screw that secures the Mini-Card to the system board connector.4.

1 Mini-Card 2 screw 3 antenna cable connectors (2)

Lift the Mini-Card out of the system board connector.5.


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NOTICE: When the Mini-Card is not in the computer, store it inprotective antistatic packaging. For more information, see "ProtectingAgainst Electrostatic Discharge" in the safety information that shippedwith your computer.

Replacing the Mini-Card

NOTE: The location of the Mini-Card may change according to thedisplay adapter supported by your computer. To find the type of

display adapter on your computer, click Start® Control Panel®

System® Device Manager ® Display adapters.

Remove the new Mini-Card from its packaging.1.

NOTICE: Use firm and even pressure to sl ide the card into place. If you use excessive force, you may damage the connector.

Insert the Mini-Card connector at a 45-degree angle into the appropriate system board

connector. For example, the WLAN card connector is labeled WLAN and so on.

2.

Press the other end of the Mini-Card down into the slot on the system board.3.

Replace the screw that secures the Mini-Card to the system board connector.4.

Connect the appropriate antenna cables to the Mini-Card. The following table provides the

antenna cable color scheme for the Mini-Card supported by your computer:

5.

Connectors on the Mini-Card Antenna Cable Color Scheme

WLAN (2 antenna cables)

Main WLAN (white triangle)

Auxiliary WLAN (black triangle)

white

black

Replace the following parts based on the display adapter supported by your computer.

Mobile Intel® GMA:

Replace the base cover (see Replacing the Base Cover ).

ATI Mobility Radeon:

Replace the system board (see Replacing the System Board).

6.


Install the drivers and utilities for your computer, as required. For more information, see the

Dell Technology Guide.

8.

NOTE: If you are installing a communication card from a source other than Dell, you must install the appropriate drivers and utilities. For

more generic driver information, see the Dell Technology Guide.

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» Replacing Parts

To replace or upgrade your parts, visit the Parts and Upgrades for Your Dell website.

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