你所需要的
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Save and close all open files and exit all open applications.
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Shut down your computer. Click Start > Shut down.
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Disconnect your computer and all attached devices from their electrical outlets.
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Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer.
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即将完成！
Now you can safely work on the Dell Inspiron 15 5502.
结论
Now you can safely work on the Dell Inspiron 15 5502.
团队
