Dell Latitude X300 Manual de usuario

Dell Latitude X300 Service Manual

Dell™ Latitude™ X300 Service Manual

Before You Begin

Dell Diagnostics

System Components

Battery

Memory, Modem, and Mini PCI Card Modules

Keyboard

Palm Rest

Hard Drive

Hinge Covers and Display Assembly

Keyboard Tray

Reserve Battery

Speakers

Bluetooth™ Module

Cooling Fan

Battery Latches

System Board

Flashing the BIOS

Pin 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.

Information in this document is subject to change without notice.

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Before You Begin: Dell Latitude X300 Service Manual

Back to Contents Page

Before You Begin

Dell™ Latitude™ X300 Service Manual

Recommended Tools

Shutting Down Your Computer

Computer Orientation

Screw Identification Placemat

This section 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 "Shutting Down Your Computer."

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

Recommended Tools

The procedures in this document may require the following tools:

●Small flat-blade screwdriver

●Phillips screwdriver

●Small plastic scribe

●Flash BIOS update program floppy disk or CD

Shutting Down Your Computer

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Before You Begin: Dell Latitude X300 Service Manual

Use the following safety guidelines to help protect your computer from potential

damage and to 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.

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.

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 microprocessor by

its edges, not by its pins.

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. Shut down the computer.

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 computer, press and hold the power button for 4 seconds.

4. If the computer is connected to a media base (docked), undock it. See the

documentation that came with your media base for instructions.

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

computer and then unplug it from the network wall jack.

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

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Before You Begin: Dell Latitude X300 Service Manual

6. 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.

7. Remove any installed PC Cards from the PC Card slot.

8. Remove any installed Secure Digital memory card from the Secure Digital

memory slot.

9. 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.

10. 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 X300 Service Manual

1 battery latch release (2) G0767

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

12. Remove the hard drive.

Computer Orientation

1 front

2 left

3 back

4 right

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Before You Begin: Dell Latitude X300 Service Manual

Screw Identification Placemat

When you are removing and replacing components, photocopy the placemat as a tool

to lay out and keep track of the screws. The placemat provides the number of screws

and their sizes.

NOTICE: When reinstalling a screw, you must use a screw of the correct

diameter and length. Ensure that the screw is properly aligned with its

corresponding hole, and avoid overtightening.

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Before You Begin: Dell Latitude X300 Service Manual

Keyboard:

(4 each)

Palm Rest:

(9 each)

Display Assembly:

(2 each)

Keyboard Tray:

(5 each)

Hard Drive:

(4 each)

System Board:

(3 each)

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Before You Begin: Dell Latitude X300 Service Manual

Modem Card:

(1 each)

Cooling Fan:

(4 each)

Speakers:

(1 each)

Bluetooth™ Module

(1 each)

Back to Contents Page

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Dell Diagnostics: Dell Latitude X300 Service Manual

Back to Contents Page

Dell Diagnostics

Dell™ Latitude™ X300 Service Manual

When to Use the Dell Diagnostics

Starting the Dell Diagnostics

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in the "Solving

Problems" section in your User's Guide or Owner's Manual and run the Dell Diagnostics

before you contact Dell for technical assistance. Running the Dell Diagnostics may

help you resolve the problem without contacting Dell. If you do contact Dell, the test

results can provide important information for Dell's service and support personnel.

The Dell Diagnostics allows you to:

●Perform tests on one or all devices.

●Select tests based on a symptom of the problem you are having.

●Choose how many times a test is run.

●Suspend testing if an error is detected.

●Access help information that describes the tests and devices.

●Receive status messages that tell you whether tests completed successfully.

●Receive error messages if problems are detected.

Starting the Dell Diagnostics

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Dell Diagnostics: Dell Latitude X300 Service Manual

It is recommended that you print these procedures before you begin.

NOTICE: Use the Dell Diagnostics to test your Dell™ computer only. Using this

program with other computers can result in error messages.

The Dell Diagnostics is located on a hidden diagnostic utility partition on your hard

drive.

NOTE: If your computer cannot display a screen image, contact Dell.

1. Shut down the computer.

2. If the computer is connected to a media base (docked), undock it. See the

documentation that came with your media base for instructions.

3. Connect the computer to an electrical outlet.

4. Turn on the computer. When the DELL™ logo appears, press

<F12>immediately.

NOTE: If you cannot see anything on your display, hold down the mute button

and press the computer's power button to begin the Dell Diagnostics. The

computer automatically runs the Pre-boot System Assessment.

NOTE: If you see a message stating that no diagnostics utility partition has

been found, run the Dell Diagnostics from your Drivers and Utilities CD.

If you wait too long and the Microsoft® Windows® logo appears, continue to wait

until you see the Windows desktop. Then shut down your computer through the

Start menu and try again.

5. When the boot device list appears, highlight Diagnostics and press <Enter>.

The computer runs the Pre-boot System Assessment, a series of initial tests of

your system board, keyboard, hard drive, and display.

●During the assessment, answer any questions that appear.

●If a failure is detected, the computer stops and beeps. To stop the

assessment and restart the computer, press <N>; to continue to the next

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