Replacement Laptop Upper & Bottom Base High quality and easy to install. Genuine quality product which has been tested and is compatible with specific models. Replace your faulty, cracked or broken bottom case base cover. Replacement laptop upper & bottom base | lower case for your laptop made from highest quality parts. Replace your defective laptop palmrest with touch pad. Please make sure that you are selecting the correct laptop bottom base | lower case as per your old laptop specification. Exquisite workmanship, easy to install and fittings ensure it’s installed perfectly.