Dell Vostro 5625 Service Manual page 23

Steps
1. Lift the mylar covering the memory-module slot.
2. Align the notch on the memory module with the tab on the memory-module slot on the system board.
3. Slide the memory module into the memory-module slot on the system board.
4. Press down on the memory module till the securing clips click, locking the memory module in place.
Repeat steps 1 to 4 for the second memory module being installed into your computer.
NOTE:
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
Removing and installing components 23