Dell Alienware m15 R6 Service Manual page 40

Steps
1. Lift the system board Mylar to access the memory-module slot.
2. Align the notch on the memory module with the tab on the memory-module slot.
3. Slide the memory module firmly into the slot at an angle.
4. Press the memory module down until it clicks into place.
NOTE: If you do not hear the click, remove the memory module and reinstall it.
NOTE: Repeat step 1 to step 4 to install the other memory module, if available on your computer.
Next steps
1. Install the base cover.
2. Follow the procedure in
40
After working inside your computer.