dell latitude c840 User Manual

Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
 
1 bottom 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.  Remove the M3 x 5-mm screw. 
3.  Pull the hard drive out. 
Replacing the Hard Drive 
1.  Push the hard drive into the drive bay until the drive door is flush wit\
h the  computer case. 
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Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
2.  Push down on the drive until it snaps into place. 
3.  Replace the M3 x 5-mm 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. 
 
1 captive screw
2 pull tab...

Hard Drive and Fixed Optical Drive: Dell Latitude C840 Service Manual
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. 
3.  Turn the computer over (to keep the captive screw from interfering with\
 the pull  tab) and pull out the pull tab. 
4.  Use the pull tab to remove the fixed optical drive. 
Back to Contents Page
 
 
 
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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. 
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/Modem Cover...

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.  Remove the M2.5 x 20-mm screw from the memory module/modem cover. 
3.  Disengage the metal tabs at the opposite end of the cover. 
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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.  To release a memory module from its socket, spread apart the tabs at eac\
h side  of the module until the module pops up slightly. 
3.  Lift the memory module out of its socket. 
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System Upgrades: Dell Latitude C840 Service Manual
Replacing the Memory Modules 
1.  If you only have one memory module, install it in the socket labeled DI\
MM A. Install a second memory module in the socket labeled DIMM B. 
NOTE: Memory modules are keyed to fit into their sockets in only one direction\
. 
2.  Insert the memory-module edge connector into the socket slot at a 45-deg\
ree  angle and press the module firmly into the slot. 
3.  Pivot the module down until it clicks into place. If you do not...

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 card to the  system board. 
4.  Use the pull tab to pull the modem daughter card straight up out of its \
 connector. 
NOTICE: Do not pull on the modem cable. Pull the connector on the end of the 
cable to disconnect the cable. 
5.  Disconnect the modem cable from the modem daughter card. 
Replacing the Modem Daughter Card 
NOTICE: The cable...

System Upgrades: Dell Latitude C840 Service Manual
2.  Use the screw and boss holes at opposite corners of the modem daughter c\
ard to align the card, and press the card into its connector on the system b\
oard. 
3.  Install the M2 x 3-mm screw that secures the card to the system board. 
4.  Replace the memory module/modem cover. 
Mini PCI Card
You must remove the optional Mini PCI wireless modem (if installed) be\
fore the 
system board can be removed. A wireless modem card must be connected to \
the...

System Upgrades: Dell Latitude C840 Service Manual
 
1 M2.5 x 20-mm screw
Removing the Mini PCI Card 
1.  Follow the instructions in Preparing to Work Inside the Computer. 
2.  Remove the M2.5 x 20-mm screw and then remove the Mini PCI card cover. 
3.  To release the Mini PCI card, spread the metal securing tabs until the c\
ard pops  up slightly. 
4.  Disconnect the card from the internal antenna. 
5.  Lift out the card and disconnect any attached cables. 
Replacing the Mini PCI Card 
1.  Align the Mini...