Sony PCV-E204 - Manual (Page 30)

VAIO MicroTower System Reference 22
Removing the Left Side Panel
You must remove the left side panel to access the system board, add-in
cards, power supply, battery, and internal drives.
1
From the rear of the unit, remove the two thumb screws that secure
the panel to the chassis.
2
Slide the left side panel back with your right hand as you hold the
chassis in position with your left hand. The panel slides back about ½
inch.
3
Pull the panel straight out to remove it.
KY0064.VSD