For access, remove these FRUs: • “1010 Removable battery” on page 64 Removal steps of the base cover assembly 1. Remove the connector cover. 2. Loosen the screws 1. 3. Press the locations a on the base cover assembly with your thumbs and pivot the hooks b upward at the same time to disengage the hooks from the chassis. 66 T480 Hardware Maintenance Manual