视障人士如何处理启动失败等低级环境
我知道屏幕阅读器和类似软件的存在是为了帮助盲人和视障人士在 Windows 或其他操作系统中使用计算机。
我很好奇在较低级别的环境（例如操作系统安装程序和 BIOS 设置等）中提供哪些支持。
I know that screen readers and similar software exists to help the blind and visually impaired to use computers when in Windows or other operating systems.
I am curious as to what support is available in lower-level environments such as OS installers and BIOS setup etc.
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如果它是 Linux 并且您有一个外部语音合成器，您可以使用一个名为spokeup 的程序来说出内核消息。 除此之外，你运气不好，必须打电话给眼睛比你更好的人。
If it's linux and you have an external speech synthisizer you can use a program called speakup that will speak kernel messages. Other then that your out of luck and have to call someone with eyes that work better then yours.
在 Windows 中，视障用户在 Windows 登录屏幕出现之前确实无法使用计算机。 JAWS（以及 WindowEyes 和 Hal，可能还有其他人）在显示驱动程序下安装视频挂钩，并且在显示 GUI 登录之前不会加载这些挂钩。
In Windows, there's really no way for visually impaired users to use the computer before the Windows login screen appears. JAWS (and WindowEyes and Hal, probably the others, too) install video hooks under the display drivers, and these are not loaded until the GUI login is shown.
对于仅视力受损而不是完全失明的人来说，一般来说，较低级别系统的颜色比白色背景上的黑色更容易看到。 增加对比度应该会有所帮助。 除此之外，据我所知，没有什么可以帮助他们的。
For the people who are only visually impaired, rather than completely blind, in general the colors of the lower level systems are somewhat easier to see than black on a white background. The increased contrast should help a little. Other than that, there isn't much that I know of that could help them.
当出现问题时，系统通常会发出一系列标准的蜂鸣声，例如没有 CPU、没有 RAM 等。但是，您只能通过阅读手册来了解这些蜂鸣声的含义...
Systems often have standard series of beeps for when things go wrong, like no CPU, no RAM etc. However you can only find out what these mean by reading the manual...
制造商/零售商通常可以提供技术支持。 这只是一个付钱的问题。
显然使用导盲眼极客更便宜......
Technical support is usually available from manufacturers/retailers. It's just a question of paying for it.
Obviously it's cheaper to use a seeing eye(r) geek...