Perform POST (Power On Self Test) to identify the devices present and to report any problems.

执行POST(加电自检)来标识存在的设备并报告任何问题。

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This step is called power-on self-test (POST).

该步骤称为上电自检(power - on self - test, POST)。

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This process is referred to as a power-on self test, or POST.

这个过程就称为加电测试（power-on self test）或 POST。

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