Lenovo IdeaCentre K450 Desktop - Manual (Page 31)

Step 5. Slide the computer cover out to remove it.
Step 6. 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
Note: For this procedure, it helps to lay the computer flat.
To remove the front bezel:
Step 1. Remove the computer cover. Refer to “Removing the computer cover”.
Chapter 8 . Replacing hardware 25