| 摘要 |
A computer is connected to an external device and outputs a command to the external device to shift the external device to a power saving state. The computer comprises an operating system generating a first power saving command for shifting the external device to a first power saving state when a non-operation time reaches a first time, a driver converting the first power saving command into a second power saving command for shifting the external device to a second power saving state in which power consumption is lower than the first power saving state. The converted second power saving command is output to the external device.
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