Turn off the computer and unplug the power cord.

关闭电脑并拔掉电源线。

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I can not always get on the Internet without having to unplug the power cord or cable.

我不能总是在互联网上，而无需拔掉电源线或电缆。

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Should any liquid or solid object fall into the system, unplug the system's power cord and have the system checked by qualified personnel before operating it any further.

万一有任何液体或杂物掉进系统里面时，即请自电源插座拔下系统的电源线并让有资格的人检查过以后才可再接电使用。

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