Lenovo Releases Critical Thunderbolt 3 Firmware and Driver Updates

Lenovo is having widespread issues with the Thunderbolt 3 controller on the ThinkPad line of laptops. A support page containing fixes for the affected machines, which includes the X1 Carbon, X1 Yoga, T-series, and the P-Series mobile workstations, was recently created.  Systems affected by the issue may experience any of the following symptoms:

• USB-C port not working
• Intel Thunderbolt controller not visible in the OS/Device Manager
• USB-C or Thunderbolt docking stations not visible or having connectivity problems
• HDMI output not available
• System battery not charging with a USB-C power adapter connected to the USB-C port
• Intel Thunderbolt pop-up error message
• Intel Thunderbolt safe mode error message
• BIOS Thunderbolt communication error or hang during POST

If you’re using a ThinkPad with a Targus docking station and are experiencing any of these symptoms, then please check the Lenovo support site for system updates. 

Here is the link to the Lenovo support page with additional details on the Thunderbolt 3 firmware and driver updates:

https://pcsupport.lenovo.com/ca/en/solutions/ht508988/