Dell Studio 1557 Manuel utilisateur

DellStudio™1557/1558ServiceManual 
Notes, Cautions, and Warnings 
Information in this document is subject to change without notice. 
©2009DellInc.Allrightsreserved. 
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. 
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under 
license; Microsoft, Windows, Windows Vista, and Windows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or 
other countries. 
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. 
Model PP39L 
September 2009 Rev. A00 
Before You Begin 
Base Cover 
Hard Drive 
Memory 
Communication Cards 
Coin-Cell Battery 
Center Control Cover 
Keyboard 
Display 
Power Button Board 
Camera (Optional) 
Palm Rest 
Speaker Assembly 
Internal Card With Bluetooth®Wireless Technology 
Optical Drive 
ExpressCard Board 
AC Adapter Connector 
USB Connector 
System Board Assembly 
Processor Heat Sink 
Processor Module 
Fan 
Subwoofer Assembly 
Battery Latch Assembly 
Flashing the BIOS 
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. 

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Base Cover

DellStudio™1557/1558ServiceManual

Removing the Base Cover

Replacing the Base Cover



Removing the Base Cover



1. Ensure that the computer is turned off.



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



3. Loosen the three captive screws on the base cover and lift the base cover off the computer at an angle as shown in the figure.

Replacing the Base Cover



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



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



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

Back to Contents Page



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 www.dell.com/regulatory_compliance.

WARNING: Before performing these 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.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on the back of the computer).

CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™

is not covered by your warranty.

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working

inside the computer.

base cover

tabs (4)

captive screws (3)



Back to Contents Page

Before You Begin

DellStudio™1557/1558ServiceManual

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

This manual provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that:

lYou have performed the steps in Before Working Inside Your Computer.

lYou have read the safety information that shipped with your computer.

lWhen replacing a component, you have already removed the original component, if installed.

Recommended Tools

The procedures in this document may require the following tools:

lSmall flat-blade screwdriver

lPhillips screwdriver

lSmall plastic scribe

lFlash BIOS executable update program at support.dell.com

Turning Off Your Computer



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



2. Shut down the operating system:

Windows Vista®:

Click the Start , click the arrow , and then click Shut Down.

Windows®7:

Click the Start and then click Shut Down.



3. Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the

power button until the computer turns off.

Before Working Inside Your Computer

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



CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

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 www.dell.com/regulatory_compliance.

CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is

not covered by your warranty.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface, such as a connector on the back of the computer.

CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges. Hold a

component such as a processor by its edges, not by its pins.

CAUTION: When disconnecting a cable, pull on the cable's connector or on its pull-tab, not on the cable itself. For cable connectors with locking

tabs, press inward on the locking tabs to release the connector. When connecting a cable, ensure that the connectors are correctly oriented and

aligned to avoid damage to the connector and/or the connector's pins.



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



2. Turn off your computer (see Turning Off Your Computer) and all attached devices.



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



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



5. Disconnect all attached devices from your computer.



6. Press and eject any installed cards from the ExpressCard slot and the 8-in-1 Memory Card Reader.



7. Turn the computer over.



8. Slide the battery release latch until it clicks into place.



9. Slide the battery out of the battery bay.



10. Turn the computer top side up, open the display, and press the power button to ground the system board.

Back to Contents Page



CAUTION: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network device.

CAUTION: To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer.

CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for

other Dell computers.

battery

battery release latch

Back to Contents Page

Flashing the BIOS

DellStudio™1557/1558ServiceManual



1. Turn on the computer.



2. Go to the Dell Support website at support.dell.com.



3. Click Drivers & Downloads®Select Model.



4. Locate the BIOS update file for your computer:

If you have your computer's Service Tag:

a. Click Enter a Service Tag.

b. Enter your computer's Service Tag in the Enter a service tag: field, click Go, and proceed to step 5.

If you do not have your computer's Service Tag:

a. Select the type of product in the Select Your Product Family list.

b. Select the product brand in the Select Your Product Line list.

c. Select the product model number in the Select Your Product Model list.

d. Click Confirm.



5. A list of results appear on the screen. Click BIOS.



6. Click Download Now to download the latest BIOS file.

The File Download window appears.



7. Click Save to save the file on your desktop. The file downloads to your desktop.



8. Click Close if the Download Complete window appears.

The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.



9. Double-click the file icon on the desktop and follow the instructions on the screen.

Back to Contents Page



NOTE: The Service Tag for your computer is located at the bottom of the computer.

NOTE: If you have selected a different model and want to start over again, click Start Over on the top right of the menu.

Back to Contents Page

Internal Card With Bluetooth®Wireless Technology

DellStudio™1557/1558ServiceManual

Removing the Bluetooth Card

Replacing the Bluetooth Card



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

Removing the Bluetooth Card



1. Follow the instructions in Before You Begin.



2. Remove the palm rest (see Removing the Palm Rest).



3. Remove the screw that secures the Bluetooth card to the system board.



4. Lift the Bluetooth card to disconnect it from the system board connector.

Replacing the Bluetooth Card



1. Follow the instructions in Before You Begin.



2. Align the connector on the Bluetooth card with the connector on the system board and press the Bluetooth card until it is fully seated.



3. Replace the screw that secures the Bluetooth card to the system board.



4. Replace the palm rest (see Replacing the Palm Rest).

Back to Contents Page



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 www.dell.com/regulatory_compliance.

CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™

is not covered by your warranty.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on your computer).

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working

inside the computer.

Bluetooth card

screw

Back to Contents Page

Camera (Optional)

DellStudio™1557/1558ServiceManual

Removing the Camera Module

Replacing the Camera Module



Removing the Camera Module



1. Follow the instructions in Before You Begin.



2. Remove the display panel (see Removing the Display Panel).



3. Remove the two screws that secure the camera to the display cover.



4. Lift the camera module from the display cover.

Replacing the Camera Module



1. Follow the instructions in Before You Begin.



2. Replace the two screws that secure the camera module to the display cover.



3. Replace the display panel (see Replacing the Display Panel).

Back to Contents Page



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 www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on the back of the computer).

CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™

is not covered by your warranty.

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working

inside the computer.

screws (2)

Back to Contents Page

Center Control Cover

DellStudio™1557/1558ServiceManual

Removing the Center Control Cover

Replacing the Center Control Cover



Removing the Center Control Cover



1. Follow the instructions in Before You Begin.



2. In the battery bay, remove the screw that secures the center control cover.



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



4. Pry out the center control cover with a plastic scribe starting from the battery bay location at the back of the computer.



5. Ease the center control cover up.

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 www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on the back of the computer).

CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™

is not covered by your warranty.

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working

inside the computer.

center control cover

Replacing the Center Control Cover



1. Follow the instructions in Before You Begin.



2. Align the hooks beneath the center control cover with the slots on the palm rest and snap the cover in place.



3. Close the display and turn over the computer.



4. In the battery bay, replace the screw that secures the center control cover.



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

Back to Contents Page



Back to Contents Page

Coin-Cell Battery

DellStudio™1557/1558ServiceManual

Removing the Coin-Cell Battery

Replacing the Coin-Cell Battery



Removing the Coin-Cell Battery



1. Follow the instructions in Before You Begin.



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



3. Use a plastic scribe to pry up the coin-cell battery from the slot.

Replacing the Coin-Cell Battery



1. Follow the instructions in Before You Begin.



2. Hold the coin-cell battery with the positive side up.



3. Slide the coin-cell battery into the slot and gently press until it snaps to the slot.



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

Back to Contents Page



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 www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on the back of the computer).

CAUTION: Onlyacertifiedservicetechnicianshouldperformrepairsonyourcomputer.DamageduetoservicingthatisnotauthorizedbyDell™

is not covered by your warranty.

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working

inside the computer.

coin-cell battery

plastic scribe

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