Dell Inspiron 24 5420 Owner's Manual page 59

The following image indicates the location of the solid-state drive and provides a visual representation of the installation
procedure.
Steps
1. Ensure that the thermal pad covering the M.2 2230 slot on the system board is in place.
2. Align the notch on the solid-state drive with the tab on the M.2 card slot.
3. Slide the solid-state drive into the M.2 card slot on the system board.
4. Replace the screw (M2x3.5) that secures the solid-state drive to the system board.
Next steps
1. Install the system-board
2. Install the I/O cover.
3. Install the back cover.
4. Install the stand.
5. Follow the procedure in
shield.
After working inside your computer.
Removing and installing Customer Replaceable Units (CRUs) 59