Dell Latitude 100L User manual

Brand: Dell

Model: Latitude 100L

Type: User manual

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Dell Latitude 100L Service Manual

Dell™ Latitude™ 100L Service Manual

Before You Begin

System Components

Memory, CD or DVD Drive, Modem, and Mini PCI Card

Hard Drive

Keyboard

EMI Shield

Display

Palm Rest

Microprocessor Thermal-Cooling Assembly

Microprocessor Module

Speakers

System Board

Flashing the BIOS

Base Plastics

Pinout Assignments for I/O Connectors

Mini Recommended Spares List

Notes, Notices, and Cautions

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.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the Tell Me How help file.

If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows®

operating systems are not applicable.

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Dell Latitude 100L Service Manual

Information in this document is subject to change without notice.

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

Trademarks used in this text: Dell, the DELL logo, TrueMobile, and Latitude are trademarks of Dell Inc.; Intel, Pentium, and

Celeron are registered trademarks of Intel Corporation; 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 PP08L

March 2004 Rev. A00

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Before You Begin: Dell Latitude 100L Service Manual

Back to Contents Page

Before You Begin

Dell™ Latitude™ 100L 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:

● You have performed the steps in "Turning Off Your Computer" and "Before Working Inside Your

Computer."

● You have read the safety information in your Dell™ System Information Guide.

● 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:

● Small flat-blade screwdriver

● Phillips screwdriver

● Small plastic scribe

● Hex nut driver

● Flash BIOS update program floppy disk or CD

Turning Off Your Computer

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Before You Begin: Dell Latitude 100L Service Manual

NOTICE: To avoid losing data, save and close any open files and exit any open programs before

you turn 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.

CAUTION: Before you begin any of the procedures in this section, follow the safety

instructions in the System 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.

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.

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 (docked), undock it. See the documentation

that came with your docking device for instructions.

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Before You Begin: Dell Latitude 100L Service Manual

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

unplug it from the network wall jack.

4. Disconnect any telephone or telecommunication lines from the computer.

5. Disconnect your computer and all attached devices from their electrical outlets, and then press

the power button to ground the system board.

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

plug it into the computer.

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.

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

service the computer.

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

the battery from the bay.

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Before You Begin: Dell Latitude 100L Service Manual

1 battery see Mini RSL

2 battery-bay latch release 7Y032

9. Remove any installed modules, including a second battery, if installed.

10. Remove the hard drive.

Computer Orientation

1 front

2 right

3 back

4 left

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Before You Begin: Dell Latitude 100L Service Manual

Screw Identification

When you are removing and replacing components, photocopy "Screw Identification" as a tool to lay out

and keep track of the screws. The placemat provides the number of screws and their sizes.

Hard Drive Door:

(2 each)

Modem to

System Board:

(2 each)

Optical Drive:

(1 each)

Keyboard

to Computer Base:

(4 each)

EMI Shield:

(1 each)

Display Assembly

to Back Panel:

(2 each)

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Before You Begin: Dell Latitude 100L Service Manual

Hinge Bracket

to Computer Base:

(4 each)

Display Bezel:

(5 each)

Screw Covers (2 each)

Display Bumpers (3 each)

Display Panel:

(4 each)

Display Latch:

(2 each)

Top of Palm Rest to

Computer Base:

(2 each)

Palm Rest to

Base Plastics:

(12 each)

Palm Rest to

Battery Bay:

(1 each)

Battery Bay Shield

to System Board:

(2 each)

System Board to

Base Plastics:

(2 each, hard drive cage)

(2 each, optical drive cage)

(2 each, chipset heat sink)

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Before You Begin: Dell Latitude 100L Service Manual

Left Antenna

to Hard Drive and

Optical Drive Cages

(2 each)

Back to Contents Page

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System Components: Dell Latitude 100L Service Manual

Back to Contents Page

System Components

Dell™ Latitude™ 100L Service Manual

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.

NOTICE: Unless otherwise noted, each procedure in this document assumes that a part can be

replaced by performing the removal procedure in reverse order.

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System Components: Dell Latitude 100L Service Manual

1 display see Mini RSL 10 speakers 9U767

2 display flex cable see Mini RSL 11 base plastics J3285

3 hinge cover Y4006 12 battery see Mini RSL

4 keyboard 5X932 13 CD or DVD drive see Mini RSL

5 palm rest F3534 14 left antenna

6 microprocessor thermal-cooling

assembly

1X475 15 hard drive see Mini RSL

7 EMI shield 9U777 16 system board F3542

8 battery bay shield 17 modem C1682

9 microprocessor see Mini RSL 18 Mini PCI card see Mini RSL

Back to Contents Page

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

Back to Contents Page

Memory, CD or DVD Drive, Modem, and Mini

PCI Card

Dell™ Latitude™ 100L Service Manual

Memory

CD or DVD Drive

Modem

Mini PCI Card

Memory

Removing the Memory Modules

CAUTION: Before working inside your Dell™ computer, read the safety instructions in

your System 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.

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

warranty.

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

2. Turn the computer over, loosen the captive screw (labeled "M") in the memory module cover,

and lift the cover away from the computer.

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

1 captive screw

2 memory module cover T1955

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

module connector until the module pops up.

4. Remove the module from the connector.

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

1 memory module see Mini RSL

2 securing clips

Installing the Memory Modules

NOTE: If the memory module is not installed properly, the computer may not boot properly. No

error message indicates this failure.

1. Align the notch in the module edge connector with the tab in the connector slot.

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

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

3. Replace the cover and tighten the captive screw.

NOTICE: If the memory module cover is difficult to close, remove the module and reinstall it.

Forcing the cover to close may damage your computer.

4. Insert the battery into the battery bay, or connect the AC adapter to your computer and an

electrical outlet.

5. Turn on the computer.

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

configuration information.

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

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

Support, and then click Computer Information.

CD or DVD Drive

Removing the CD or DVD Drive

CAUTION: Before working inside your Dell™ computer, read the safety instructions in

your System 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.

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

2. Turn the computer over, and remove the M2.5 x 8-mm screw (labeled "O") next to the memory

module cover.

3. Loosen the captive screw (labeled "M") in the memory module cover, and lift the cover away

from the computer.

1 captive screw

2 memory module cover T1955

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

4. Press the lever next to the memory module connectors in the direction of the arrow on the lever

(towards the drive) to release the drive.

1 lever

2 CD or DVD drive see Mini RSL

3 M2.5 x 8-mm screw labeled "O" 3R690

5. Pull the drive out of the bay.

Installing the CD or DVD Drive

1. Slide the new drive into the bay until the drive is fully seated.

2. Replace the memory module cover and tighten the captive screw.

3. Replace the M2.5 x 8-mm screw next to the memory module cover.

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

Modem

Removing the Modem

CAUTION: Before working inside your Dell™ computer, read the safety instructions in

your System 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.

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

2. Turn the computer over, loosen the captive screw (labeled "C") in the modem/Mini PCI card

cover, and lift the cover away from the computer.

1 captive screw

2 modem/Mini PCI card cover 1X045

3. Remove the two M2 x 3-mm screws securing the modem to the system board, and set them

aside.

4. Pull straight up on the attached pull-tab to lift the modem out of its connector on the system

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

board and disconnect the modem cable.

1 modem cable connector

2 pull-tab

3 modem cable

4 M2 x 3-mm screws (2) 4270E

Installing the Modem

1. Connect the modem cable to the modem.

NOTICE: The cable connectors are keyed for correct insertion; do not force the

connections.

2. Align the modem with the screw holes, and press the modem into the connector on the system

board.

3. Install the two M2 x 3-mm screws to secure the modem to the system board.

4. Replace the cover and tighten the captive screw.

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Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual

Mini PCI Card

Removing the Mini PCI Card

CAUTION: Before working inside your Dell™ computer, read the safety instructions in

your System 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.

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

2. Turn the computer over, loosen the captive screw (labeled "C") in the modem/Mini PCI card

cover, and lift the cover away from the computer.

1 captive screw

2 modem/Mini PCI card cover 1X045

3. Disconnect the Mini PCI card from the attached cables.

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Dell Latitude 100L User manual

Dell Latitude 100L User manual

Dell Latitude 100L User manual

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