Dell Vostro 3515 Service Manual page 56

Steps
1. Align the rib inside the left hinge cap to the outer sides.
2. Push the left hinge cap down until it clicks in place.
3. Align the rib inside the right hinge cap to the outer sides.
4. Push the right hinge cap down until it clicks in place.
Next steps
1. Install the display assembly.
2. Install the Wireless card.
3. Install the base cover.
4. Install the SD card.
5. Follow the procedure in
56 Removing and installing components
After working inside your computer.