Dell 1555 - Studio - Chainlink Manuale utente

DellStudio™1555ServiceManual

Notes, Cautions, and Warnings

Information in this document is subject to change without notice.

©2008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

December 2008 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

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.

Back to Contents Page

Base Cover

DellStudio™1555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 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" on page 10)

before working inside the computer.

base cover

tabs

captive screws (3)



Back to Contents Page

Before You Begin

DellStudio™1555ServiceManual

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

This document 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BIOS upgrade CD (see the Dell Support website at support.dell.com)

Turning Off Your Computer



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



2. In Microsoft®Windows Vista®, click Start , click the arrow , and then click Shut Down.

The computer turns off after the operating system shutdown process finishes.



3. 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 the power button for at least 8 to 10 seconds 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.



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).



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.



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



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



5. Turn the computer over.



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



7. Slide the battery out of the battery bay.



8. 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™1555ServiceManual

Flashing the BIOS From a CD

Flashing the BIOS From the Hard Drive

If a BIOS upgrade CD is provided with the new processor or new system board, flash the BIOS from the CD. If you do not have a BIOS upgrade CD, flash the

BIOS from the hard drive.

Flashing the BIOS From a CD



1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.



2. Insert the BIOS-update program CD and turn on the computer.



Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the

computer will automatically reboot.



3. Press <F2> during POST to enter the system setup program.



4. Press <Alt> and <f> to reset the computer defaults.



5. Press <Esc>, select Save/Exit, and press <Enter> to save configuration changes.



6. Remove the flash BIOS-update program CD from the drive and restart the computer.

Flashing the BIOS From the Hard Drive



1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.



2. Turn on the computer.



3. Locate the latest BIOS update file for your computer at support.dell.com.



4. Click Download Now to download the file.



5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.

The File Download window appears.



6. Click Save this program to disk, and then click OK.

The Save In window appears.



7. Click the down arrow to view the Save In menu, select Desktop, and then click Save.

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.

CAUTION: Plug the AC adapter into a known, good power source to prevent loss of power. Failure to do so may cause system damage.

NOTE: If you use the BIOS-update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from

a CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.

CAUTION: Do not interrupt this process once it begins. Doing so may cause damage to the computer.

CAUTION: Plug the AC adapter into a known, good power source to prevent loss of power. Failure to do so may cause damage to the computer.



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

Back to Contents Page



CAUTION: Do not interrupt this process once it begins. Doing so may cause system damage.

Back to Contents Page

Camera (Optional)

DellStudio™1555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 board from the display cover.

Replacing the Camera Module



1. Follow the instructions in Before You Begin.



2. Replace and tighten the two screws securing the camera 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™1555ServiceManual

Removing the Center Control Cover

Replacing the Center Control Cover



Removing the Center Control Cover



1. Follow the procedures in Before You Begin.



2. Remove the screw securing the center control cover from the battery bay.



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 procedures in Before You Begin.



2. Align the hooks beneath the center control cover to 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™1555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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