Summary: Lenovo ThinkPad X1 Carbon Gen6 Thunderbolt Firmwareĭescription: Lenovo ThinkPad X1 Carbon Gen6 Thunderbolt Firmware ThinkPad X1 Carbon Gen6 Thunderbolt Controller: Here's a snippet from the X1 Carbon Gen6's changelog (found by u/heljara). Based on Lenovo's statement, any other Thunderbolt 3 devices on the same firmware and controller would likely exhibit similar symptoms. We're still aren't sure exactly what the purpose of this firmware is for the Thunderbolt functionality, but online resources are generally pointing towards it being the Intel-provided firmware for the controllers themselves (basically, it provides TB3 functionality). This was based on the fact that, for one, the NVM firmware is highlighted specifically in the knowledge base page, and also because each device affected has had their NVM firmware updated. The issue seemed to be Intel's (not Lenovo's) NVM (Non-Volatile Memory) firmware. What was our theory on why this was happening?
#Intel thunderbolt 3 laptop software
A number of ThinkPads rely on the Thunderbolt 3 chip for communicating with their power delivery ICs (based on the schematics, part numbers, and change logs), so the Thunderbolt chip failing (either software or hardware wise) could mean restricted (15w) or no charging. BIOS Thunderbolt communication error or hang during POSTīasically, if your USB-C stops working (for charging or otherwise), you might be running into this issue.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). Recently, we published an article about a widespread issue with Thunderbolt 3 on certain ThinkPad laptops. News Writer (AUS/NZL based) - Details here
#Intel thunderbolt 3 laptop how to
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