Dell Inspiron 4150 - Manual (Page 68)

3. Lift the memory module out of its connector.
Replacing Memory Modules
1. If you only have one memory module, install it in the connector labeled "JDIM1" on the system board. Install a second memory module in the connector
labeled "JDIM2."
2. Align the notch in the memory module edge connector with the keying tab in the connector on the system board.
3. Slide the edge connector of the module firmly into the connector at a 45-degree angle, and rotate the module down until you hear a click. If you do not
hear the click, remove the module and reinstall it.
4. Replace the cover and tighten the two captive screws.
Mini PCI Card
You must remove the Mini PCI card before the system board can be removed.
Removing the Mini PCI Card
1. Remove the memory module cover .
2. Disconnect the Mini PCI card from any attached cables.
3. Release the Mini PCI card by spreading the metal securing tabs until the card pops up slightly.
4. Lift the Mini PCI card out of its connector.
1 JDIM 1 connector
2 JDIM 2 connector
3 keying tab
4 keying notch on memory
module
5 inner tabs (2 per
connector)
HINT: Memory modules are keyed, or designed to fit into their connectors, in only one direction.
NOTICE: The memory module must be inserted at a 45-degree angle to avoid damaging the connector.
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 touching an unpainted metal surface on the computer.
NOTICE: Read " Preparing to Work Inside the Computer " before performing the following procedure.
NOTICE: To avoid damaging the Mini PCI card, never place cables on top of or under the card.