Dell DimensionL Series, Reference

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Expansion Cards
To install an expansion card, perform the following steps:
1. Remove the computer cover .
2. Rotate the power supply .
3. Choose an expansion-card connector for the card.
4. Unscrew and remove the metal filler bracket that covers the card-slot opening for the expansion slot you intend to use.
5. Insert the expansion card firmly into the expansion-card connector.
Align the cutouts in the card- edge connector with the crossbars in the expansion card connector. Gently rock the connector until it is fully
seated.
6. When the card is firmly seated in the connector, secure the card-mounting bracket with the screw you removed.
To remove an expansion card, perform the following steps:
1. Remove the computer cover .
2. Rotate the power supply .
3. Disconnect any cables connected to the card.
4. Remove the screw from the card-mounting bracket.
5. Grasp the card by its top corners, and ease it out of its connector.
6. If you are removing the card permanently, install a metal filler bracket over the empty card-slot opening in the chassis.
DIMMs
To remove a dual in-line memory module (DIMM), press down and out on the securing clips at each end of the socket. The DIMM should pop up
allowing you to lift it out of the socket.
1 Card-edge connector
2 Expansion card
3 Expansion-card connector
4 Expansion-card mounting bracket and screw
NOTE: Installing filler brackets over empty card -slot openings is necessary to maintain Federal Communications Commission (FCC)
certification of the system. The brackets also keep dust and dirt out of your computer.
1 Securing clips (2)