C800
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Dell™ Lati tude™ C800
SERVICE MANUAL
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Dell™ Latitude™ C800
SERVICE MANUAL
www .dell.com
support.dell.com
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 potentially hazardous situation
which, if not avoided, may result in minor or moderate injury.
____________________
Information in this doc ument is subject to change without notice.
© 2000–2001 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:
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 Computer Corporation disclaims any
proprietary interest in trademarks and trade names other than its own.
January 2001 P/N 64MC W Rev. A01
Dell
, the
DELL
logo, and
Latitude
are trademarks of Dell Computer
Contents
1 Before You Begin
Preparing to Work Inside the Computer . . . . . . . . . . . . . . 8
Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . 9
Screw Identification . . . . . . . . . . . . . . . . . . . . . . . . 10
2 Removing and Replacing Parts
System Components . . . . . . . . . . . . . . . . . . . . . . . . 14
Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Removing the Hard Drive . . . . . . . . . . . . . . . . . . . . 16
Replacing the Hard Drive . . . . . . . . . . . . . . . . . . . . 16
Fixed Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . 16
Removing the Fixed Optical Drive . . . . . . . . . . . . . . . . 17
Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Removing the Memory Module Cove r . . . . . . . . . . . . . . 17
Removing the Memory Modules . . . . . . . . . . . . . . . . . 18
Replacing the Memory Modules . . . . . . . . . . . . . . . . . 18
Mini PCI Card Assembly . . . . . . . . . . . . . . . . . . . . . . 19
Removing the Mini PCI Card Assembly . . . . . . . . . . . . . 20
Replacing the Mini PCI Card Assembly . . . . . . . . . . . . . 21
Keyboard Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 22
Removing the Keyboard Assembly . . . . . . . . . . . . . . . . 23
Replacing the Keyboard Assembly . . . . . . . . . . . . . . . . 25
3
Display and Bezel Assemblies . . . . . . . . . . . . . . . . . . . 26
Removing the Hinge Cover . . . . . . . . . . . . . . . . . . . 27
Removing the Display Assembly . . . . . . . . . . . . . . . . 28
Removing the Display Assembly Bezel . . . . . . . . . . . . . 30
Removing the Display Panel . . . . . . . . . . . . . . . . . . 31
Replacing the Display Panel . . . . . . . . . . . . . . . . . . 32
Removing the Display Latch . . . . . . . . . . . . . . . . . . 33
Microprocessor Thermal Cooling Assembly . . . . . . . . . . . . 34
Removing the Microprocessor Thermal Cooling Assembly . . . 34
Microprocessor Module . . . . . . . . . . . . . . . . . . . . . . 35
Removing the Microprocessor Module . . . . . . . . . . . . . 36
Replacing the Microprocessor Module . . . . . . . . . . . . . 37
Video Graphics Board . . . . . . . . . . . . . . . . . . . . . . . 38
Removing the Video Graphics Board . . . . . . . . . . . . . . 39
Replacing the Video Graphics Board . . . . . . . . . . . . . . 39
Palmrest Assembly . . . . . . . . . . . . . . . . . . . . . . . . 40
Removing the Palmrest Assembly . . . . . . . . . . . . . . . 41
Reserve Battery . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Removing the Reserve Batter y . . . . . . . . . . . . . . . . . 43
Replacing the Reserve Battery . . . . . . . . . . . . . . . . . 44
System Board Assembl y . . . . . . . . . . . . . . . . . . . . . . 44
Removing the System Board . . . . . . . . . . . . . . . . . . 46
Battery and Modular Bay Latch Assemblies . . . . . . . . . . . 47
Removing and Replacing the Battery and
Modular Bay Latch Assemblies . . . . . . . . . . . . . . . . 48
Battery Charger Board . . . . . . . . . . . . . . . . . . . . . . 49
Removing the Battery Charger Board . . . . . . . . . . . . . 50
Replacing the Battery Charger Board . . . . . . . . . . . . . 50
LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Removing the LED Board . . . . . . . . . . . . . . . . . . . 51
4
Replacing the LED Board . . . . . . . . . . . . . . . . . . . . 52
Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Removing the Fan Assembly . . . . . . . . . . . . . . . . . . . 52
RJ-11/RJ-45 Board . . . . . . . . . . . . . . . . . . . . . . . . . 53
Removing the Protective Covers From the RJ-11 and
RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . 53
Removing the RJ-11/RJ-45 Board . . . . . . . . . . . . . . . 54
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
5
6
SECTION 1
Before You Begin
Preparing to Work Inside the Computer
Recommended Tools
Screw Identification
1
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Preparing to Work Inside the Computer
NOTICE: Only a certified service technician should perform repairs on your
computer . D amage due to servicing that is not authorized by Dell is not covered
by your warranty.
NOTICE: T o avoid damaging the computer , perform the following steps before
you begin working inside the computer.
1
Make sure that the work surface is flat and clean to prevent scratching
the computer cover.
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2 Save any work in progress and close all open application programs.
3 Turn off the computer and all attached devices.
NOTE: Befo re turning off the computer, make sure the computer is not in
a power-management mode.
4
Make sure the computer is undocked.
5 Disconnect the computer from the electrical outlet.
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 flat work
surface.
10 Remove the battery from the battery bay.
NOTICE: To avoid component damage, always remove any installed batteries
before you service the computer.
11
Remove any device installed in the modular bay.
12 To dissipate static electricity while you work, periodically touch an
unpainted metal surface on the computer chassis.
8 Before You Begin
13 Handle components and cards by their edges, and avoid touching pins
and contacts.
Recommended Tools
The procedures in this manual require the following tools:
• #1 magnetized Phillips screwdriver
• Small flat-blade screwdriver
• Small plastic scribe
• Microprocessor extractor
•Nonmarring tool
• Flash BIOS upgrade program diskette or CD (provided when needed
to upgrade the system BIOS)
Sys tem Or ien tat ion
back of computer
left
right
front of computer
Before You Begin 9
Screw Identification
When you are removing and replacing components, photocopy the
placemat as a tool to lay out and keep track of the component screws.The
placemat provides the number of screws and the sizes.
Screw Identification
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NOTICE: When reinstalling a screw, you must use a screw of the correct
diameter and length. Make sure that the screw is properly aligned with its
corresponding hole, and avoid overtightening.
10 Before You Begin
Screw Placement Map
Hard Drive Doo r Security:
M3.0 x 5 mm (1 each)
Display Bezel:
Rubber screw covers (4 each)
Plastic screw covers (2 each)
M2.5 x 4 mm (6 each)
Palmre st to
Bottom Case Assembly:
M2.5 x 20 mm (9 each)
Keyboar d to Bottom Cas e
Assembly:
M2.5 x 20 mm (4 each; one in
memory door and one in miniPCI door)
Display Panel to Disp l ay
Mounting Bracket:
M2.0 x 3 mm(6 each)
Fl ex C abl e Mo un ti ng B rack e t to
To p Co ver:
M2.5 x 4 mm (1 each)
System Board:
M2 .5 x 4 mm c aptive w a sh er
(3 each)
Display to Base:
M2.5 x 6 mm (3 each; 2 at back
of system; 1 at flex cable strai n
relief)
Video Graphics Board:
M2.5 x 8 (3 each)
LED B oa r d :
M2.0 x 4 mm (2 each)
Palmre st Bracke t:
M2.5 x 4 mm (2 each)
Fan Assembly :
M2.0 x 4 mm (3 each)
M2.5 x 20 mm (1 each)
RJ-11/RJ-45 Board Assembly:
M2.5 x 4 mm (1 each)
Before You Begin 11
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12 Before You Begin
SECTION 2
Removing and Replacing Parts
System Components
Hard Drive
Fixed Optical Drive
Memory Module
2
Mini PCI Card Assembly
Keyboard Assembly
Display and Bezel Assemblies
Microprocessor Thermal Cooling Assembly
Microprocessor Module
Video Graphics Board
Palmrest Assembly
Reserve Battery
System Board Assembly
Battery and Modular Bay Latch Assemblies
Battery Charger Board
LED Board
Fan Assembly
RJ-11/RJ-45 Board
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System Components
Exploded View
display
assembly
keyboard
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hinge cover
palmrest
assembly
thermal cooling
assembly
fixed optical drive
system board
modular device
14 Removing and Replacing Parts
hard drive
bottom case assembly
main battery
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: Unless otherwise noted, each procedure in this manual assumes that
a part can be replaced by performing the removal procedure in reverse order.
Hard Drive
NOTICE: Disconnect the computer and attached devices from the electrical
outlet and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or
by periodically touching unpainted metal on the computer.
NOTICE: The hard drive is very sensitive to shock. Handle it by its edges (do
not squeeze the top of the case), and avoid dropping it.
Hard Drive
bottom of computer
hard drive door
hard drive door
5-mm screw
Removing and Replacing Parts 15
Removing the Hard Drive
1 Follow the instructions in “Preparing to Work Inside the Computer.”
2 Remove the drive door screw.
3 Pull the hard drive out.
Replacing the Hard Drive
1 Gently push the hard drive into the drive bay until the drive door is
flush with the computer case.
2 Push down on the drive until it snaps into place.
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3 Replace the screw in the hard drive door.
Fixed Optical Drive
NOTICE: Disconnect the computer and attached devices from the electrical
outlet and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or
by periodically touching unpainted metal on the computer.
Fi xed Op tical Drive
16 Removing and Replacing Parts
captive
screw
pull tab
Removing the Fixed Optical Drive
1 Follow the instructions in “Preparing to Work Inside the Computer.”
2 Loosen the captive screw on the bottom of the computer.
NOTICE: To keep the pull tab from catching on the captive screw, turn the
computer over before removing the fixed optical drive.
3
Turn the computer over, pull out the pull tab, and use the pull tab to
remove the fixed optical drive.
Memory Module
NOTICE: Disconnect the computer and any attached devices from electrical
outlets and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or
by periodically touching unpainted metal on the computer.
Removing the Memory Module Cover
Memory Module Cover
20-mm screw
Removing and Replacing Parts 17
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