Dell ChengMing 3991 Service Manual page 18

3. Loosen the two M3 x 3.5 screws from the second 2.5 inch hard-drive [3].
4. Lift the hard-drive out of the bracket [4].
Installing the hard-drive bracket
About this task
Steps
1. Place the second 2.5 inch hard-drive into the bracket [1].
2. Align and tighten the two M3 x 3.5 screws insert the pins on the drive bracket with the slots on the drive [2].
NOTE: Note the orientation of the hard-drive so that you can replace it correctly.
3. Place the first 2.5 inch hard-drive into the bracket [3].
4. Align and tighten the two M3 x 3.5 screws insert the pins on the drive bracket with the slots on the drive [4].
Next steps
Next steps
1. Install the 2.5 in. hard-drive assembly.
18 Disassembly and reassembly