Dell Latitude 110L Manuel utilisateur

Dell™Latitude™110LServiceManual

Before You Begin

System Components

Memory, Optical Drive, Modem, and Mini PCI Card

Hard Drive

Keyboard

Display

Palm Rest

Coin-Cell Battery

Microprocessor Thermal-Cooling Assembly

Microprocessor Module

Speakers

System Board

Flashing the BIOS

Base Plastics

Pinout Assignments for I/O Connectors

For a complete list of abbreviations and acronyms, see the Dell Inspiron Help file. To access the help file:

IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft®Windows®operating systems are not applicable.

Information in this document is subject to change without notice.

©2005DellInc.Allrightsreserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Lattitude are trademarks of Dell Inc.; Microsoft and Windows are registered trademarks of Microsoft Corporation.

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 PP10S

June 2005 Rev. A01

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

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

Base Plastics

Dell™Latitude™110LServiceManual



1. Follow the instructions in" Before Working Inside Your Computer."

2. Remove the hard drive.

3. Remove the optical drive.

4. Remove the memory module.

5. Remove the keyboard.

6. Remove the Mini PCI card.

7. Remove the modem.

8. Remove the display assembly.

9. Remove the palm rest.

10. Remove the microprocessor thermal-cooling assembly.

11. Remove the microprocessor.

12. Remove the speakers.

13. Remove the system board.

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

CAUTION: Before performing the following procedures, read the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of

your computer's electronic components. You can do so by touching an unpainted metal surface.

Back to Contents Page



Before You Begin

Dell™Latitude™110LServiceManual

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

Computer Orientation

Screw Identification



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

following conditions exist:

lYou have performed the steps in "Turning Off Your Computer" and "Before Working Inside Your Computer."

lYou have read the safety information in the Product Information Guide.

lA component can be replaced by performing the removal procedure in reverse order.



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Hex nut driver

lFlash BIOS-update program floppy disk or CD



Turning Off Your Computer



1. Shut down the operating system:

a. Save and close any open files, exit any open programs, click the Start button, and then click Turn Off Computer.

b. In the Turn off computer window, click Turn off.



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

2. Ensure that the computer and any attached devices are turned off. If your computer and attached devices do not automatically turn off when you shut

down your operating system, press and hold the power button for 4 seconds.



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.



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

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

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

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



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

2. Turn off your computer.

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



4. Disconnect any telephone, network, and USB cables from the computer.

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



6. Remove any installed PC Cards from the PC Card slot.

7. Close the display and turn the computer upside down on a flat work surface.



8. Slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the battery bay.



Computer Orientation



NOTICE: 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.

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with

locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep

them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and

aligned.

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

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.

battery

battery-bay latch release



Screw Identification



When you are removing and replacing components, print this section as a tool to lay out and keep track of the screws. The placemat provides the number of

screws and their sizes.



front

left

back

right

Optical Drive:

(1 each)



Hard Drive Door:

(2 each)



Hard Drive:

(2 each)



Modem to

System Board:

(2 each)



EMI Shield:

(4 each)



Display Assembly

to Computer Base:

(4 each)



Display Bezel:

(6 each)



Display Panel:

(8 each)



Top of Palm Rest to

Computer Base:

(6 each)



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

Screw

Covers

(6 each)

Display

Bumpers

(6 each)



Palm Rest to

Base Plastics:

(8 each)



Palm Rest to

Base Plastics in Hard Drive

Bay:

(2 each)



System Board to

Base Plastics:

(4 each, hard drive cage)

(2 each, system board)



Speakers to

Base Plastics:

(2 for each speaker, 4 total)



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

Flashing the BIOS

Dell™Latitude™110LServiceManual

Flashing the BIOS From a Floppy Disk or a CD

Flashing the BIOS From the Hard Drive



If a BIOS-update program floppy disk or CD is provided with the new system board, flash the BIOS from a floppy disk or a CD. If you do not have a BIOS-update

program floppy disk or CD, flash the BIOS from the hard drive.



Flashing the BIOS From a Floppy Disk or 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 floppy disk or 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 changes and reboot, and press <Enter> to save configuration changes.

6. Remove the flash BIOS-update program floppy disk or 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. Boot up 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.

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



NOTE: If you use a BIOS-update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.

Back to Contents Page



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

Coin-Cell Battery

Dell™Latitude™110LServiceManual



1. Follow the instructions in "Before Working Inside Your Computer."

2. Remove the hard drive.

3. Remove the optical drive.

4. Remove the keyboard.

5. Remove the display assembly.

6. Remove the Mini PCI card.

7. Remove the palm rest.

8. Locate the coin-cell battery on the system board and use a plastic scribe to gently pry the coin-cell battery out of the connector.



Back to Contents Page



CAUTION: Before performing the following procedures, read the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of

your computer's electronic components. You can do so by touching an unpainted metal surface.

Back to Contents Page



Microprocessor Module

Dell™Latitude™110LServiceManual

Removing the Microprocessor Module

Installing the Microprocessor Module



Removing the Microprocessor Module



1. Follow the instructions in "Before Working Inside Your Computer."

2. Remove the keyboard.

3. Remove the cooling fan.

4. Remove the microprocessor thermal-cooling assembly.



5. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.



The ZIF-socket cam screw secures the microprocessor to the system board. Take note of the arrow on the ZIF-socket cam screw.



6. Use a microprocessor extraction tool to remove the microprocessor module.



CAUTION: Before performing the following procedures, read the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of

your computer's electronic components. You can do so by touching an unpainted metal surface.

NOTICE: Press and hold the microprocessor down by applying slight pressure to the center of the microprocessor while turning the cam screw to

prevent intermittent contact between the cam screw and microprocessor.

NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when turning the cam screw.

NOTICE: When removing the microprocessor module, pull the module straight up. Be careful not to bend the pins on the microprocessor module.

ZIF-socket

microprocessor module

pin-1 corner of

microprocessor

ZIF-socket cam screw

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