Lenovo H30-00 Desktop - Manual (Page 37)

Step 4. Remove the 2 screws that secure the computer cover at the rear of the chassis.
Step 5. To reinstall the computer cover:
a. Line up the computer cover with the chassis then slide it back.
b. Secure the computer cover to the chassis with the screws.
Removing the front bezel
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Chapter 8 . Replacing hardware 31