Intel Thunderbolt safe mode error message.System battery not charging with a USB-C power adapter connected to the USB-C port.

USB-C or Thunderbolt docking stations not visible or having connectivity problems.

Intel Thunderbolt controller not visible in the OS/Device Manager.

Lenovo notes these symptoms on their knowledge base page: If you missed our article about the issue, or you simply just don't know what this article is about, there are a variety of symptoms for this issue.

Adjusted the article to reflect official statement.

Added Lenovo's official statement about this issue.

I'll be updating this article as more information arrives, but here's what we know right now. There's an on-going investigation (and discussion) happening on Reddit about this topic, which can be found here. We're still learning more about this issue as time goes on, but currently we don't have any official information other than what's publicly available (like info from the knowledge base).

Here's a complete list of the affected laptops.Recently, we published an article about a widespread issue with Thunderbolt 3 on certain ThinkPad laptops. If the updates don't work out, Lenovo urges ThinkPad owners to reach out to Technical Support. If your laptop is one of the models affected, Lenovo recommends to immediately update your system with new driver and firmware packages that are designed to resolve any USB-C problem. BIOS Thunderbolt communication error or hang during POST.According to Lenovo, symptoms of the USB-C problem include: It turns out that a firmware update issued in August 2019 corrupted the software controlling the port. In Lenovo's case, it has confirmed that there's buggy firmware responsible for problems with the USB-C ports on many models of its 2017 to 2019 ThinkPad laptops.Īs reported by Notebookcheck and later posted to a Lenovo support page, the USB-C firmware issue affects more than a dozen ThinkPad laptops including the ThinkPad X1 Carbon (5th Gen to 7th Gen), X1 Yoga (2nd Gen to 4th Gen), and P-series ThinkPads. Lenovo makes some great laptops but like every company makes missteps.

Update lenovo docking station firmware