Notebookcheck 的报道： https#://www.notebookcheck.net/Recent-Lenovo-ThinkPad-laptops-have-a-problem-with-defective-Thunderbolt-Controllers.451061.0.html
文中有来自联想官网的支持文档链接。
上文重点摘要（我随手翻译的，比较生硬请谅解）：
A description of the problem can be found over at Lenovo's support site: The issue may happen after 6 to 12 months and it may have several impact levels. Sometimes, the USB C port may fail completely, sometimes the HDMI video-output may be unavailable. Also, the Thunderbolt Controller might produce error messages. The system might not charge anymore through USB C as well.
来自联想支持页面的问题描述：在 6-12 个月内，USB C 接口会有不同程度的损坏程度。有的时候会完全损坏，有的时候（通过 USB C 接口的） HDMI 输出会损坏。并且，Thunderbolt 控制器会报错。系统也可能会无法通过 USB C 口充电。
Lenovo has already released driver and firmware updates for all affected ThinkPads. Users of these models should install these updates as fast as possible. If there are issues regardless, Lenovo's support should be contacted. The only solution in this case seems to be a motherboard exchange.
联想已放出驱动和固件更新，使用受影响型号的用户应该立刻安装。如果还有问题，联系联想。看起来这种情况下唯一的解决方案就是更换主板。
下为受到影响的设备列表（基本都是高端机？）
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