Sony PCV-R522DS - Manual (Page 239)

Removing the Cover
! If you remove the cover immediately after you shut down your computer, the components may be too hot to
touch. Wait until the internal parts of the system unit cool down before you attempt to remove the cover.
1. Press the two tabs on the right side of the rear frame.
2. Remove the frame from the unit by gently pulling it from left to right.
3. Remove the screws from the center top, the lower left corner, and the lower right corner of the metal back
plate.
4. Lift the three-sided outer panel by pulling up on the large tab extending from the top rear. Lift the outer panel
up over the unit and set it aside.
Page 239