Once completed, please proceed to our How to Pack and Ship GPU Guide.
Open the computer case. A screwdriver might be necessary. Now locate the PCI slot with a large card(GPU) plugged on it. A GPU is usually the largest card plugged on the main board.
Unplug all cables connected to the GPU, unscrew it from the case, and then gently press on the lever of the PCI slot in order to pull the card upwards.
You have just disconnected your GPU.