Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord.
关闭与计算机连接的所有外设的电源。关闭计算机并断开交流电源线。
Turn off unused computer program, to reduce the workload of the hard disk, not only power and to defend your computer;
关掉不用的电脑程序，减少硬盘工作量，既省电也维护你的电脑；
Turn off unused computer program, to reduce the workload of the hard disk, not only power and to defend your computer;
关掉不用的电脑程序，减少硬盘工作量，既省电也维护你的电脑；
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