Dell Inspiron 14 (3420, Mid 2012) - Manual (Page 34)

4 Slide the hard-drive assembly to the left to disconnect it from the
connector on the system board.
5 Lift the hard-drive assembly out of the computer base.
1
1 hard-drive assembly
6 Remove the two screws that secure the hard-drive bracket to the hard
drive.
7 Lift the hard-drive bracket away from the hard drive.
Hard Drive 34