Sony PCV-LX920 - Manual (Page 36)

VAIO Slimtop System Reference Manual 24
Removing the System Cover
You must remove the system cover to access the system board, add-in
cards, power supply, battery, and internal drives.
1
Remove the screw that secures the panel to the chassis (see item 1 in
diagram), and set it aside for future use.
2
From the rear of the unit, hold down the system cover while you pull
on the handle located at the rear panel (see item 2 in diagram).
3
Slide the system chassis out.
1
2