System Information Guide
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...the transfer with us /en/pub/topics/sbtopic_016_ccare.htm If you receive them to www.dell.com/us . The limited warranty on Dell-branded memory may return software for a refund or credit of the manuals, floppy disk(s), CD(s), power cables, and other items included with a product must be... in the original shipment. Limited warranties on your transfer by law. May I transfer the limited warranty? Returned products must call Dell at 1-800-387-5759 to return...
...the transfer with us /en/pub/topics/sbtopic_016_ccare.htm If you receive them to www.dell.com/us . The limited warranty on Dell-branded memory may return software for a refund or credit of the manuals, floppy disk(s), CD(s), power cables, and other items included with a product must be... in the original shipment. Limited warranties on your transfer by law. May I transfer the limited warranty? Returned products must call Dell at 1-800-387-5759 to return...
System Information Guide
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... the product documentation that its branded hardware products, purchased by various manufacturers in preceding sections. To qualify for those. Dell owns all of the manuals, floppy disk(s), CD(s), power cables, and other resellers of Dell's limited warranties are in as -new condition, software products must be available from the manufacturer or publisher. Third...
... the product documentation that its branded hardware products, purchased by various manufacturers in preceding sections. To qualify for those. Dell owns all of the manuals, floppy disk(s), CD(s), power cables, and other resellers of Dell's limited warranties are in as -new condition, software products must be available from the manufacturer or publisher. Third...
Service Manual
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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 Components Hard Drive and Fixed Optical Drive Hard Drive ... System Board Battery and Module Bay 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]
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 Components Hard Drive and Fixed Optical Drive Hard Drive ... System Board Battery and Module Bay 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
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... in a power-management mode. 4. Save any work surface is flat and clean to servicing that is not authorized by Dell is not covered by your warrantly. NOTE: Before turning off the computer and all attached devices. Read and follow all open...: Portable Computers" in your computer. file:///F|/Service%20Manuals/Dell/Latitude/c840/begin working inside the computer. 1. 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...
... in a power-management mode. 4. Save any work surface is flat and clean to servicing that is not authorized by Dell is not covered by your warrantly. NOTE: Before turning off the computer and all attached devices. Read and follow all open...: Portable Computers" in your computer. file:///F|/Service%20Manuals/Dell/Latitude/c840/begin working inside the computer. 1. 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...
Service Manual
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.... 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] Handle components and cards by their edges, and avoid touching pins and contacts. Disconnect all other external cables from the computer. 8. Before You Begin: Dell Latitude C840 Service Manual 6.
.... 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] Handle components and cards by their edges, and avoid touching pins and contacts. Disconnect all other external cables from the computer. 8. Before You Begin: Dell Latitude C840 Service Manual 6.
Service Manual
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The placemat provides the number of 6) [2/28/2004 8:03:35 AM] Screw Identification file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (3 of screws and the sizes. Before You Begin: Dell Latitude C840 Service Manual Computer Orientation 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 6) [2/28/2004 8:03:35 AM] Screw Identification file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (3 of screws and the sizes. Before You Begin: Dell Latitude C840 Service Manual Computer Orientation 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.
Service Manual
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Before You Begin: Dell Latitude C840 Service Manual NOTICE: When reinstalling a screw, you must use a screw of 6) [2/28/2004 8:03:35 AM] Hard-Drive Door Security: M3 x 5 mm (1 each) Keyboard to Bottom Case: ... Bottom Case: M2.5 x 6 mm (3 each; 2 at back of computer; 1 at display flex-cable strain relief) Display Bezel: Display Panel to Top Cover: file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (4 of the correct diameter and length. Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening.
Before You Begin: Dell Latitude C840 Service Manual NOTICE: When reinstalling a screw, you must use a screw of 6) [2/28/2004 8:03:35 AM] Hard-Drive Door Security: M3 x 5 mm (1 each) Keyboard to Bottom Case: ... Bottom Case: M2.5 x 6 mm (3 each; 2 at back of computer; 1 at display flex-cable strain relief) Display Bezel: Display Panel to Top Cover: file:///F|/Service%20Manuals/Dell/Latitude/c840/begin.htm (4 of the correct diameter and length. Ensure that the screw is properly aligned with its corresponding hole, and avoid overtightening.
Service Manual
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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 4 mm (2 each) Palm Rest Bracket: M2.5 x 4 mm (4 each) M2.5 x 20 mm (1 each) Fan: M2 x 4 mm (3 each) Memory Module/Modem Cover: M2.5 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]
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 4 mm (2 each) Palm Rest Bracket: M2.5 x 4 mm (4 each) M2.5 x 20 mm (1 each) Fan: M2 x 4 mm (3 each) Memory Module/Modem Cover: M2.5 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
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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.
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
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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]
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
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...from the electrical outlet and remove any installed batteries. file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (1 of the case), and avoid dropping it. NOTICE: The hard drive is not covered by Dell is very sensitive to shock. Damage due to servicing that is not...the top of 4) [2/28/2004 8:03:36 AM] 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...
...from the electrical outlet and remove any installed batteries. file:///F|/Service%20Manuals/Dell/Latitude/c840/hdd.htm (1 of the case), and avoid dropping it. NOTICE: The hard drive is not covered by Dell is very sensitive to shock. Damage due to servicing that is not...the top of 4) [2/28/2004 8:03:36 AM] 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...
Service Manual
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Remove the M3 x 5-mm screw. 3. Push the hard drive into the drive bay until the drive door is flush with the computer case. 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. Replacing 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 AM]
Remove the M3 x 5-mm screw. 3. Push the hard drive into the drive bay until the drive door is flush with the computer case. 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. Replacing 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 AM]
Service Manual
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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 drive until it snaps into place. 3. Replace the M3 x 5-mm screw in the hard drive door. 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] Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual 2.
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 drive until it snaps into place. 3. Replace the M3 x 5-mm screw in the hard drive door. 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] Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual 2.
Service Manual
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Back to remove the fixed optical drive. Follow the instructions in "Preparing to keep the captive screw from interfering with the pull tab) and pull out the pull tab. 4. Turn the computer over (to Work Inside the Computer." 2. Use the pull tab 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]
Back to remove the fixed optical drive. Follow the instructions in "Preparing to keep the captive screw from interfering with the pull tab) and pull out the pull tab. 4. Turn the computer over (to Work Inside the Computer." 2. Use the pull tab 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
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System Upgrades: Dell Latitude C840 Service Manual Back to Contents Page System Upgrades Dell™ Latitude™ C840 Service Manual Memory Modules Modem Daughter Card Mini PCI Card Memory Modules 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 on the computer.
System Upgrades: Dell Latitude C840 Service Manual Back to Contents Page System Upgrades Dell™ Latitude™ C840 Service Manual Memory Modules Modem Daughter Card Mini PCI Card Memory Modules 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 on the computer.
Service Manual
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Remove the M2.5 x 20-mm screw from the memory module/modem cover. 3. Disengage the metal tabs at the opposite end of 9) [2/28/2004 8:03:38 AM] System Upgrades: Dell Latitude C840 Service Manual 1 M2.5 x 20-mm screw 1. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (2 of the cover. Follow the instructions in "Preparing to Work Inside the Computer." 2.
Remove the M2.5 x 20-mm screw from the memory module/modem cover. 3. Disengage the metal tabs at the opposite end of 9) [2/28/2004 8:03:38 AM] System Upgrades: Dell Latitude C840 Service Manual 1 M2.5 x 20-mm screw 1. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (2 of the cover. Follow the instructions in "Preparing to Work Inside the Computer." 2.
Service Manual
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Lift the memory module out of its socket, spread apart the tabs at each side of 9) [2/28/2004 8:03:38 AM] To release a memory module from its socket. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (3 of the module until the module pops up slightly. 3. 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 1. Remove the memory module/modem cover. 2.
Lift the memory module out of its socket, spread apart the tabs at each side of 9) [2/28/2004 8:03:38 AM] To release a memory module from its socket. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (3 of the module until the module pops up slightly. 3. 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 1. Remove the memory module/modem cover. 2.
Service Manual
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... memory module in the socket labeled "DIMM A." If you only have one direction. 2. Follow the instructions in "Preparing to fit into place. System Upgrades: Dell Latitude C840 Service Manual Replacing the Memory Modules 1. Insert the memory-module edge connector into the socket slot at a 45-degree angle and press the module firmly into the...
... memory module in the socket labeled "DIMM A." If you only have one direction. 2. Follow the instructions in "Preparing to fit into place. System Upgrades: Dell Latitude C840 Service Manual Replacing the Memory Modules 1. Insert the memory-module edge connector into the socket slot at a 45-degree angle and press the module firmly into the...
Service Manual
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System Upgrades: Dell Latitude C840 Service Manual 1 modem daughter card 2 M2 x 3-mm screw 3. Use the pull tab to disconnect the cable. 5. Connect the modem cable to the system board. 4. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (5 of its connector. Pull the connector on the modem cable. Remove the M2 x 3-mm screw that secures the modem daughter card...
System Upgrades: Dell Latitude C840 Service Manual 1 modem daughter card 2 M2 x 3-mm screw 3. Use the pull tab to disconnect the cable. 5. Connect the modem cable to the system board. 4. file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (5 of its connector. Pull the connector on the modem cable. Remove the M2 x 3-mm screw that secures the modem daughter card...
Service Manual
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...the screw and boss holes at opposite corners of 9) [2/28/2004 8:03:38 AM] Replace the memory module/modem cover. System Upgrades: Dell Latitude C840 Service Manual 2. Install the M2 x 3-mm screw that secures the card to align the card, and press the card into its connector on the ...attached devices from electrical outlets and remove any installed batteries. Mini PCI Card You must be removed. Mini PCI Card Cover file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (6 of the modem daughter card to the system board. 4. NOTICE: To avoid ESD, ground yourself by using a wrist ...
...the screw and boss holes at opposite corners of 9) [2/28/2004 8:03:38 AM] Replace the memory module/modem cover. System Upgrades: Dell Latitude C840 Service Manual 2. Install the M2 x 3-mm screw that secures the card to align the card, and press the card into its connector on the ...attached devices from electrical outlets and remove any installed batteries. Mini PCI Card You must be removed. Mini PCI Card Cover file:///F|/Service%20Manuals/Dell/Latitude/c840/upgrades.htm (6 of the modem daughter card to the system board. 4. NOTICE: To avoid ESD, ground yourself by using a wrist ...