当你的电脑只能部分时间识别你的硬盘时，你会怎么做？这仅仅是硬盘坏了的问题还是需要调整的BIOS设置？今天的超级用户问答帖子对一个沮丧的读者有一些有用的建议。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

图片由Asten（Flickr）提供。

问题

超级用户读者Blaine想知道如何修复一台只有在硬盘已经启动时才被识别的计算机：

So I have encountered a weird issue. When I first turn on my desktop computer, it does not recognize that it has a hard-drive in it. However, if I then press the reset button, or turn it off and back on quickly enough, the hard-drive will be recognized.

In all other aspects, the hard-drive works perfectly (with a S.M.A.R.T test showing no errors). What could be the cause of this, and is there any way to fix it?

如果一台电脑的硬盘驱动器只有在已经启动时才被识别，你该如何修复它？

答案

超级用户贡献者Mokubai为我们提供了答案：

It could be that the BIOS on your computer is not waiting long enough for the hard-drive to spin up before continuing to boot. Many BIOSes have an option for “hard-drive spin up time” which can delay the boot process for a couple of seconds while the hard-drive spins up.

If you can access the BIOS on your computer, then I would look for that option and see if you can extend the delay.

If this is a recent occurrence, then it could be a sign that the hard-drive motor is beginning to fail and can no longer spin up as quickly as it used to. This would be a bad indication as it may not be able to spin up at all soon.

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