Sony PCV-RX740 - Manuel (Page 56)

VAIO Computer System Reference Manual 42
6 Slide the drive holder up and out.
7
Slide the new drive into the bottom part of the drive holder and align
the holes on each side of the drive holder.
8
Secure the drive to the drive holder using screws in each of the two
holes on each side of the drive holder (the screws are provided with
the new drive). Do not overtighten the screws.