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Latitude C540
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Dell™ Latitude™ C540/C640 Service Manual
Before You Begin
System Components
Hard Drive
Memory Modules, Mini PCI Card, and Modem
Keyboard
Display Assembly, Display Latch, and Hinge Covers
Palm Rest
Microprocessor Thermal Cooling Assembly
Microprocessor Module
Hybrid Cooling Fan
Reserve Battery
Flashing the BIOS
Speaker Assemblies
System Board
Battery and Module Bay Latches
Pin Assignments for I/O Connectors
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.
© 2002-2003 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text: , the logo, and are trademarks of Dell Computer Corporation.Dell DELL Latitude
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 Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
April 2003 Rev. A01
Back to Contents Page
Before You Begin
Dell™ Latitude™ C540/C640 Service Manual
Preparing to Work Inside the Computer
Recommended Tools
Screw Identication
Preparing to Work Inside the Computer
CAUTION: Before working inside your computer, read the safety instructions in your System Information
Guide.
CAUTION: Only a certied 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: To avoid damaging the computer, perform the following steps before you begin working inside the computer.
1. Ensure that the work surface is clean to prevent scratching the computer cover.
2. Save any work in progress and exit all open programs.
3. Turn o the computer and all attached devices.
NOTE: Before turning o the computer, ensure that the computer is not in a power management mode. If you
cannot shut down the computer using the computer operating system, press and hold the power button for 4
seconds.
4. If the computer is connected (docked) to a docking device, undock it. See the documentation that came with the
docking device for instructions.
5. Disconnect the computer and any attached devices from electrical outlets.
6. To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices.
7. Disconnect all other external cables from the computer.
8. Remove any installed PC Cards or plastic blanks from the PC Card slot.
9. Close the display and turn the computer upside down on a at work surface.
NOTICE: To avoid damaging the system board, you must remove the main battery and secondary battery (if present)
before you service the computer.
10. Remove the primary battery from the battery bay and the secondary battery from the module bay, if a secondary
battery is in use.
11. Remove any installed device in the module bay.
12. To dissipate any static electricity while you work, use a wrist grounding strap or periodically touch an unpainted metal
surface.
13. Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by it edges
or by its metal mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins.
Recommended Tools
The procedures in this manual require the following tools:
#1 magnetized Phillips screwdriver
¼-inch at-blade screwdriver
Small plastic scribe
Microprocessor extractor
Flash BIOS update program oppy disk or CD.
Computer Orientation
1 back
2 right
3 front
4 left
Screw Identication
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.
Produktspecifikationer
| Varumärke: | Dell |
| Kategori: | Bärbara datorer |
| Modell: | Latitude C540 |
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