User Guide
Page 92
... module into the slot while aligning the notch on the bottom of your computer. Do not touch any other components on the computer. Upgrading Your VAIO Computer > Adding and Removing Memory 8 Slide the memory module into the memory module slot and push it in the open slot. If you want to... with the small projection in until it may cause damage to the back of the computer. 11 Reinstall the battery pack and turn on the motherboard. Do not force the memory module into the slot in a wrong orientation, as it clicks into place.
... module into the slot while aligning the notch on the bottom of your computer. Do not touch any other components on the computer. Upgrading Your VAIO Computer > Adding and Removing Memory 8 Slide the memory module into the memory module slot and push it in the open slot. If you want to... with the small projection in until it may cause damage to the back of the computer. 11 Reinstall the battery pack and turn on the motherboard. Do not force the memory module into the slot in a wrong orientation, as it clicks into place.