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Xiaomi Mi Air 12.5 m3 7Y30 Electrical buzzing noise
Hi, I'm sorry I have to write this post in English but I don't know I single word of Chinese and I need help.
There is a problem with Xiaomi Mi Air 12.5 with Intel M3 7Y30. It makes a very annoying electrical buzzing noise coming from the USB C port and USB 2.0. It is very high pitched. It only appears when battery is lower than 45% and when you turn on the keyboard backlights it stops. However, the sound appears again inmediately after the keyboard backlights turn off. This problem seems to be with all laptops, not only mine. We didn't find a solution yet. Some say it can be solved with a BIOS update. Can someone please help me?
GOOGLE TRANSLATE:
嗨，对不起，我必须用英文写这篇文章，但我不知道我单身汉语，我需要帮助。
使用英特尔M3 7Y30的小米米Air 12.5有问题。 它使USB C端口和USB 2.0产生了非常烦人的噪音。 这是非常高的。 只有当电池电量低于45％时才会出现，并且当您打开键盘背光灯时，它将停止。 但是，键盘背光灯关闭后，声音立即再次出现。 这个问题似乎是所有的笔记本电脑，不仅是我的。 我们还没有找到解决方案。 有人说可以用BIOS更新来解决。 有人可以帮帮我吗？
最后更新：2017-09-08 18:22:47