Dell Dimension XPS T___ - Manual (Page 23)

To remove the control panel board, perform the following steps:
1. Remove the bezel.
2. Remove the card guide assembly.
3. Press the mounting tab to release the control panel board from the card guide assembly, and remove the control panel board.
Expansion Cards
To remove an expansion card, perform the following steps:
1. Disconnect any cables from the expansion card.
2. Remove the retaining screw from the card-mounting bracket.
3. Grasp the expansion card by its corners, and carefully pull it out of its expansion-card connector.
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 Control panel board
2 Mounting tab
3 Card guide assembly
1 Retaining screw
2 Expansion card
3 Card guide assembly
4 Expansion card connector
5 Card-edge connector
6 Card-mounting bracket