Sony Vaio PCG-31311L Keyboard Replacement

Start with device closed, powered off, and upside down.

Locate 3 screws on the bottom plate and unscrew

Use a plastic opening tool to pry up on the plate and remove from device.

Locate screw labeled "KB" and remove.

Use a plastic opening tool tool to pry around the edge of the keyboard.

Once detached, tilt the keyboard forward, exposing a blue ribbon cable.

Place finger on black tab and pull back. Then, give a gentle tug on the ribbon cable and it will detach.

Once the ribbon cable has been detached, lift the keyboard away from the device.