Dell Latitude 3420 Service Manual page 33

Steps
1. Disconnect the hard-disk drive cable from the connector on the hard-disk drive bracket.
2. Remove the four (M3x3) screws that secure the hard-disk drive to the hard-disk drive bracket.
3. Flip the hard-disk drive bracket, lift the silver foil, and remove the hard-disk drive from the hard-disk drive bracket.
Removing and installing components 33