Dell Studio 1749 (Early 2010) - Manual (Page 31)

l For hard drive 2:
¡ Remove the three screws that secure the hard drive assembly to the computer base.
¡ Using the pull-tab, lift the hard drive to disconnect the hard drive from the connector on the system board.
¡ Lift the hard drive assembly out of the computer base.
¡ Remove the four screws that secure the hard drive cage to the hard drive.
¡ Pull the interposer to disconnect it from the hard drive.
1 hard drive 2 screws (4)
3 hard drive cage
1 screws (3) 2 hard drive assembly
3 pull-tab
1 hard drive 2 screws (4)
3 hard drive cage