Upgrading Your Server 9-43RemovalTo remove the CPU, prepare the removal referring to steps 1 and 4 in the installation procedure anddo the reverse procedure of steps 14 to 6.IMPORTANT: Do not remove any CPU unless it is failed. After the operation, heat may make the cool seat at the bottom ofthe heat sink adhere to the CPU. To remove the heat sink from theCPU, first turn the heat sink to the left and right lightly to make surethat the heat sink can be apart from the CPU. Removing the heatsink with it adhering to the CPU may cause the CPU and/or socketto be defected.Do the following procedure if a CPU is removed (or replaced).1. Start SETUP to select menus "Main" – "Processor Settings" – "Processor Retest" in theorder to clear the error information on the removed CPU (see Chapter 4).When a CPU is replaced, select menus "Main" – "Processor Settings" to confirm that theID and L2 Cache of the additional CPU are defined normally (see Chapter 4).2. Set "Reset Configuration Data" on the Advanced menu to "Yes."This is required to update the hardware configuration information. See Chapter 4 fordetails.