Sony PCG-SR5K - Manual (Page 76)

VAIO® Notebook User Guide $"
Lower the memory module until it clicks into place on both ends.
6
Return the palm rest to its original position by aligning it with the
notch on the keyboard and then setting it on the keyboard.
Handle the palm rest gently to avoid breaking the attached cable.
7
Close the display panel and replace the six (6) screws on the bottom
of the computer.
!
Do not touch any part of the motherboard or the other components inside the
computer.
Empty slot
Notch on keyboard