System Upgrades: Dell Latitude C840 Service Manual
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-degree angle and press
the module firmly into the slot.
3. Pivot the module down until it clicks into place. If you do not hear a click, remove the module
and reinstall it.
4. Insert the metal tabs on the memory module/modem cover into the bottom case, rotate the
cover down, and replace the M2.5 x 20-mm screw.
Modem Daughter Card
Removing the Modem Daughter Card
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.
1. Follow the instructions in "
Preparing to Work Inside the Computer
."
2. Turn the computer over and remove the
.
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