Remove the chassis cover To access the front bezel lock and the internal components, remove the chassis cover. Procedure If installed, unlock and remove the security padlock and/or the Kensington security lock. For more information, see the lock documentation. Remove the chassis cover thumbscrews. If the thumbscrews are too tight, use a T-15 screwdriver to remove it. Slide the chassis cover toward the rear panel, and then lift it from the server.