Lenovo K450e Desktop - Manual (Page 33)

Replacing a graphics card
Note: For this procedure, it helps to lay the computer flat.
To replace a graphics card:
Step 1. Remove the computer cover. Refer to “Removing the computer cover”.
Step 2. Remove the screw that secures the graphics card fixing bracket and lift the bracket up.
Step 3. Remove the screw that secures the graphics latch to the chassis and open it. 1 2
Step 4. Remove the screw that secures the graphics card to the chassis. 3
Chapter 8 . Replacing hardware 29