1. Installing Internal Optional DevicesExpress5800/B120f User's Guide 45Chapter 2 Preparations1.4.2 RemovalTo remove the CPU, first remove the top cover, air duct, and hard disk drive cage referring to Chapter 2 (1.3.1Removal of top cover, 1.3.2 Removal of air duct, and 1.3.3 Removal of hard disk drive cage), and then performsteps 3 to 10 of Chapter 2 (1.4.1 Installation) in the reverse order. To remove the heat sink, slide it a little on thelevel and remove it. See the second item of Important in below.Important • Remove the CPU only when it is defected.• After operation, the cool sheet at the bottom of the heat sink may adhere to theCPU. To remove the heat sink, first turn it left and right to detach it from the CPU.If you remove the heat sink with the cool sheet adhering to the CPU, the CPUand/or the socket may be damaged.• Put a socket cover on Processor #2 if it is equipped with no CPU.• The operation of the CPU blade cannot be secured if the CPU is installed only onthe Processor #2 socket.• To reinstall the CPU having been removed, the cool sheet should be replacedwith a new one. Contact you sales representative.
