in ThinkPad: T400 / T500 and newer T series Laptops https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T480s-Thunderbolt-firmware-update-error-after-1-33-BIOS-update/m-p/4503066 ThinkPad: T400 / T500 and newer T series Laptops topics Thu, 15 Aug 2019 15:53:45 +0000 tp01_en <![CDATA[ ]]> https://forums.lenovo.com/topic/findpost/1300/4503066/4503066 Lenovo Vantage updated the T480s BIOS on 8/9. I immediately started getting a Thunderbolt error when starting Windows 10 64, which says to update the Thunderbolt firmware. I downloaded the current firmware from Lenovo (n22th06w) but I get the following error when trying to update: 0x20D SDK_INVAL ]]> Thu, 15 Aug 2019 15:53:45 +0000 https://forums.lenovo.com/topic/findpost/1300/4503066/4503066 grahamd5