Product Details Shipping & Returns Product Details Lenovo F31 Laptop Keys Replacement Lenovo F31 Laptop Keys Replacement Lenovo used different laptop keyboard vendors during production, so please compare your laptop key area and compare the hinge clip to the following chart, and choose the one that matches your keyboard. IC02 IC03 IC37 IC39 Your keyboard should look like this The Key Cap This is the piece of plastic that has the letter on it. The Retainer Clip The plastic or metal sisscor clip pieces that hold the key cap to the base of the keyboard. The Rubber Cup This is the piece of rubber or plastic that acts as the spring to rebound the key after you press it. Shipping & Returns