Lenovo IdeaCentre K430 - Manual (Page 37)

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. Follow the below steps to remove a graphics card:
If your computer has a Duo-graphics cards installed, follow the steps below to replace it:
a. Remove the screw that secures the Duo-graphics cards fixing bracket and lift the bracket up.
Chapter 8 . Replacing hardware 31