Dell Latitude CPt C Series User manual

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____________________
Information in this document is subject to change without notice.
© 1999 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: Dell ,the DELL logo, and Latitude are trademarks of Dell Computer Corporation; IBM is a registered trademark of
International Business Machines Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or th eir products.
Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
May 1999 P/N 5648P Rev. A00

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Recommended Tools............................................ 2
Preparing to Work Inside Your Computer ............................ 2
Screw Identification and Tightening ................................ 3
ZIF Connectors . . . ............................................. 5
Field-Replaceable Parts and Assemblies ............................ 6
Removing Field-Replaceable Parts and Assemblies ................... 12
Hard-Disk Drive Assembly . . . ................................. 13
Memory Module Cover ...................................... 13
MemoryModules .......................................... 14
Keyboard Assembly ......................................... 15
Display Assembly .......................................... 17
Display Assembly Bezel...................................... 18
Display Assembly Latch...................................... 19
LCD Panel . . . ............................................ 19
Removing the LCD Panel Cable............................. 20
Palmrest Assembly ......................................... 20
Reserve Battery ........................................... 22
BottomAssembly .......................................... 22
Modular Bay Devices (Diskette Drive, CD-ROM Drive,
DVD-ROM Drive, SuperDisk LS-120 Drive, Battery,
or Travel Module ........................................... 23
Module Latch Assemblies . . . ................................. 24
System Board Assembly ..................................... 26
Thermal Cooling Assembly . . ................................. 28
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Figure 1. Computer Orientation .................................. 1
Figure 2. Main Battery Assembly Removal. . . ....................... 3
Figure 3. Screw Identification . . .................................. 3
Figure 4. Disconnecting an Interface Cable . . ....................... 5
Figure 5. Exploded ViewComputer ............................. 12
Figure 6. Hard-Disk Drive Assembly Removal ...................... 13
Figure 7. Memory Module Removal .............................. 14

vi
Figure 8. Removing the Keyboard Assembly Screws................. 15
Figure 9. Keyboard Assembly Removal ........................... 16
Figure 10. Display Assembly..................................... 17
Figure 11. Display Assembly Bezel Removal ........................ 18
Figure 12. Removing the Palmrest Assembly Screws ................. 20
Figure 13. Palmrest Assembly Removal ............................ 21
Figure 14. Bottom Assembly .................................... 23
Figure 15. Modular Bay Device Removal ........................... 23
Figure 16. Module Latch Assemblies Removal . . . ................... 24
Figure 17. Left Slider. . ......................................... 25
Figure 18. System Board Assembly Removal........................ 26
Figure 19. Microprocessor Module . . .............................. 27
Figure 20. Thermal Cooling Assembly Removal . . . ................... 28
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Table 1. Screw Placement Mat with Component
Screw Counts and Sizes . ............................... 4
Table 2. Parts and Assemblies . . . ............................... 6

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A prerequisite for using this manual to service Dell computer systems is a basic
knowledge of IBM-compatible PCs and prior training in IBM-compatible PC
troubleshooting techniques. In addition to information provided in this manual,
Dell provides the Users Guide for troubleshooting procedures and instructions
on using the Dell Diagnostics to test the computer system.
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Throughout this guide, blocks of text may be accompanied by an icon and printed
in bold type or in italic type. These blocks are notes, cautions, and warnings,and
they are used as follows:
NOTE: A NOTE indicates important information that helps you make better use
of your computer system.
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DellLatitudeCPtC-Series/CPiR-SeriesServiceManualDellLatitudeCPtC-Series/CPiR-SeriesServiceManual
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This manual provides instructions for removing and replacing field-replaceable
components, assemblies, and subassemblies in your Dell Latitude portable
computer. Unless otherwise noted, each procedure in this manual assumes
the following conditions:

The computer and any attached peripherals are turned off, and the
peripherals are disconnected from the I/O panel on the back of the
computer.

A part can be replaced by performing the removal procedure in reverse
order.
When the display assembly is open nearly 180 degrees, use a book or
something similar to support it. The angle of the display assembly with
respect to the bottom case should never be allowed to exceed 180 degrees.
Also, when performing the procedures in this manual, the locations or
directions relative to the computer are as shown in Figure 1 unless otherwise
specified.
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right side
left side
back of computer
front of computer