Dell Latitude C840 Support Question
Dell Latitude C840 Support Question
Find answers below for this question about Dell Latitude C840.Need a Dell Latitude C840 manual? We have 3 online manuals for this item!
Question posted by djart on November 22nd, 2013
What Is The Password For A Dell Latitude C840 Hdd Hitachi Model#dk23da-30f
I bought this computer at a Yard sale as I had done before but this time the notebook was locked. I got the password for the bios but I didn't get the password for the HDD. would someone tell me either the proper search or the password.
Current Answers
Related Dell Latitude C840 Manual Pages
Service Manual - Page 1
Dell Latitude C840 Service Manual
Dell™ Latitude™ C840 Service Manual
Before You Begin Preparing to Work Inside the Computer Recommended Tools Computer Orientation Screw Identification
System ...Latches Battery Charger Board LED Board Fan RJ-11/RJ-45 Module Pin Assignments for I/O Connectors
file:///F|/Service%20Manuals/Dell/Latitude/c840/index.htm (1 of 2) [2/28/2004 8:03:26 AM]
Service Manual - Page 2
... the computer from the electrical outlet. NOTE: Before turning off the computer and all open programs. 3. Before You Begin: Dell Latitude C840 Service Manual
Back to Contents Page
Before You Begin
Dell™ Latitude™ C840 Service Manual
Preparing to Work Inside the Computer Recommended Tools Computer Orientation Screw Identification
Preparing to Work Inside the Computer...
Service Manual - Page 3
... bay. Remove any attached devices.
7. Remove the battery from the computer. 8.
To avoid possible damage to the system board, wait 10 to upgrade the BIOS)
file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (2 of 6) [2/28/2004 8:03:35 AM]
Close the display and turn the computer upside down on a flat work , periodically touch an...
Service Manual - Page 4
... and replacing components, photocopy the placemat as a tool to lay out and keep track of 6) [2/28/2004 8:03:35 AM]
Screw Identification
file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (3 of the component screws. The placemat provides the number of screws and the sizes.
Service Manual - Page 5
Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening. one in memory door...mm (4 each )
Keyboard to Top Cover:
file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (4 of the correct diameter and length. Hard-Drive Door Security: M3 x 5 mm (1 each ; Before You Begin: Dell Latitude C840 Service Manual
NOTICE: When reinstalling a screw, you must use...
Service Manual - Page 6
Before You Begin: Dell Latitude C840 Service Manual
M2.5 x 4 mm (1 each)
Palm Rest to Bottom Case:
M2.5 x 20 mm (9 each)
System Board:
M2.5 x 4 mm captive washer (3 each)
LED Board: M2 x ... x 20 mm (1 each)
Modem Daughter Card:
M2 x 3 mm (1 each)
Mini PCI Card: M2.5 x 20 mm (1 each)
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (5 of 6) [2/28/2004 8:03:35 AM]
Service Manual - Page 8
file:///F|/Service%20Manuals/Dell/Latitude/c840/system.htm (1 of 2) [2/28/2004 8:03:36 AM]
System Components: Dell Latitude C840 Service Manual
Back to Contents Page
System Components
Dell™ Latitude™ C840 Service Manual
NOTICE: Unless otherwise noted, each procedure in this document assumes that a part can be replaced by performing the removal procedure in reverse order.
Service Manual - Page 9
System Components: Dell Latitude C840 Service Manual
1 display assembly 2 hinge cover
3 microprocessor thermalcooling assembly
4 system board 5 hard drive 6 bottom case
7 main battery 8 device in module
bay 9 fixed optical drive
10 palm rest 11 keyboard
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/c840/system.htm (2 of 2) [2/28/2004 8:03:36 AM]
Service Manual - Page 10
file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (1 of the case), and avoid dropping it. Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
Back to Contents Page
Hard Drive and Fixed Optical Drive
Dell™ Latitude™ C840 Service Manual
Hard Drive Fixed Optical Drive
NOTICE: Only a certified service technician should perform repairs on the computer. Damage ...
Service Manual - Page 11
... screw. 3. Replacing the Hard Drive
1.
file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (2 of computer 2 M3 x 5-mm screw 3 hard drive door
Removing the Hard Drive
1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Pull the hard drive out. Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
1 bottom of 4) [2/28/2004 8:03:36...
Service Manual - Page 12
Push down on the computer.
1 captive screw 2 pull tab
file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (3 of 4) [2/28/2004 8:03:36 AM] Fixed Optical Drive
NOTICE: Disconnect the computer and attached devices from the ... or by periodically touching unpainted metal on the drive until it snaps into place. 3.
Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
2.
Service Manual - Page 13
... with the pull
tab) and pull out the pull tab. 4. Turn the computer over (to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (4 of the computer. 3. Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
Removing the Fixed Optical Drive
1. Loosen the captive screw on the bottom of 4) [2/28/2004 8:03:36 AM...
Service Manual - Page 14
...
NOTICE: Disconnect the computer and any attached devices from electrical outlets and remove any installed batteries. Removing the Memory Module/Modem Cover
file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (1 of 9) [2/28/2004 8:03:38 AM] NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal...
Service Manual - Page 15
Remove the M2.5 x 20-mm screw from the memory module/modem cover. 3.
System Upgrades: Dell Latitude C840 Service Manual
1 M2.5 x 20-mm screw 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (2 of the cover. Disengage the metal tabs at the opposite end of 9) [2/28/2004 8:03:38 AM]
Service Manual - Page 16
... its socket.
Lift the memory module out of its socket, spread apart the tabs at each side
of 9) [2/28/2004 8:03:38 AM] System Upgrades: Dell Latitude C840 Service Manual
1 DIMM B 2 memory module sockets
(2) 3 DIMM A socket 4 modem daughter card 5 metal tabs (2 per
socket)
Removing the Memory Modules...
Service Manual - Page 17
... batteries. Insert the memory-module edge connector into the socket slot at a 45-degree
angle and press the module firmly into place. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (4 of 9) [2/28/2004 8:03:38 AM] If you only have one direction. 2. System Upgrades...
Service Manual - Page 18
... straight up out of 9) [2/28/2004 8:03:38 AM] Use the pull tab to the modem daughter card. System Upgrades: Dell Latitude C840 Service Manual
1 modem daughter card 2 M2 x 3-mm screw
3. Remove the M2 x 3-mm screw that secures the modem daughter... for correct insertion. Pull the connector on the modem cable.
file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (5 of its connector.
Service Manual - Page 19
...connector on the computer. Mini PCI Card
You must be removed. System Upgrades: Dell Latitude C840 Service Manual
2. Use the screw and boss holes at opposite corners of the modem... daughter card to the system board. 4.
Mini PCI Card Cover
file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (6 of the computer.
NOTICE: Disconnect the computer and attached devices from ...
Service Manual - Page 20
... internal antenna. 5. Remove the M2.5 x 20-mm screw and then remove the Mini PCI card cover. 3. System Upgrades: Dell Latitude C840 Service Manual
1 M2.5 x 20-mm screw
Removing the Mini PCI Card
1. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (7 of 9) [2/28/2004 8:03:38 AM] Lift out the card and disconnect any attached cables. Replacing...
User Guide - Page 1
... Intel SpeedStep are registered trademarks of data and tells you make better use of Intel Corporation; Other...intellectual property rights owned by method claims of Dell Computer Corporation; Model PP01X April 2003 P/N 7J543 Rev. This ...Acronyms
For a complete list of Dell Computer Corporation is prohibited. All rights reserved. Dell™ Latitude™ C840 User's Guide
Notes, Notices,...
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