Dell Inspiron 15 3521 Service Manual page 32

Steps
1. Align and slide the hard drive into the hard-drive bracket.
2. Align the screw holes on the hard-drive bracket with the screw holes on the hard drive.
3. Replace the four screws (M3x3) to secure the hard drive to the hard-drive bracket.
4. Connect the interposer with the cable to the hard drive.
5. Align and place the hard-drive assembly along with the interposer and cable on to the palm-rest and keyboard assembly.
6. Align the screw holes on the hard-drive assembly to the screw holes on the palm-rest and keyboard assembly.
7. Replace the four screws (M2x3.5) to secure the hard-drive assembly to the palm-rest and keyboard assembly.
8. Connect the hard-drive flexible flat cable to the system board and close the latch to secure the cable.
Next steps
1. Install the base cover.
2. Install the secure digital
3. Follow the procedure in
32 Removing and installing components
card.
After working inside your computer.