关于CS21 ThinkPad BIOS对USB type-c接口充电功能的重要更新-联想乐享知识库

关于CS21 ThinkPad BIOS对USB type-c接口充电功能的重要更新 分类:ThinkPad T 问题:USB接口相关 故障现象:本次针对ThinkPad USB type-c接口和电源设备的充电功能发布了一版BIOS重要更新。影响机型如下：X1 Yoga 6th Gen (Type 20XY, 20Y0) Laptop (ThinkPad) X1 Carbon 9th Gen - (Type 20XW, 20XX) Laptop (ThinkPad) X1 Nano Gen 1 (Type 20UN 20UQ) Laptop (ThinkPad) X13 Yoga Gen 2 (Type 20W8, 20W9) Laptop (ThinkPad) X1 Extreme 4th Gen (Type 20Y5,20Y6) Laptop (ThinkPad) P1 Gen 4 (type 20Y3, 20Y4 ) Laptop (ThinkPad) X12 Detachable Gen 1 (Type 20UW, 20UV) Laptop (ThinkPad) L13 Gen 2 (type 20VH, 20VJ) Laptops (ThinkPad) L13 Yoga Gen 2 (type 20VL, 20VK) Laptops (ThinkPad) X1 Titanium (Type 20QA, 20QB) Laptop (ThinkPad) T14s Gen 2 (Type 20WM, 20WN) Laptop (ThinkPad) X13 Gen 2 (Type 20WK, 20WL) Laptop (ThinkPad) T14 Gen 2 (Type 20W0, 20W1) Laptop (ThinkPad) P14s Gen 2 (Type 20VX, 20VY) Laptop (ThinkPad) T15 Gen 2 (Type 20W4, 20W5) Laptop (ThinkPad) P15s Gen 2 (Type 20W6, 20W7) Laptop (ThinkPad) L14 Gen 2 Type 20X1 20X2 Laptops (ThinkPad) L15 Gen 2 Type 20X3 20X4 Laptop (ThinkPad)解决方案: 此版本BIOS 主要是针对受影响机型的USB-C接口经常切换用于适配两种及以上USB-C型电源设备时（例如：USB-C AC电源适配器，USB-C 扩展坞/雷电3扩展坞，USB-C显示器/雷电3显示器，USB-C移动电源等），需尽快将BIOS更新到以下示例或更新的版本，以用于解决或预防电源设备不充电的问题。 产品名称 BIOS / ECP 联想官网链接 版本 发布时间 X1 Yoga 6th Gen (Type 20XY, 20Y0) Laptop (ThinkPad) X1 Carbon 9th Gen - (Type 20XW, 20XX) Laptop (ThinkPad) 1.51 / 1.32 BIOS/UEFI 1.51-1.32 03 Feb 2022 X1 Nano Gen 1 (Type 20UN 20UQ) Laptop (ThinkPad) 1.49 / 1.44 BIOS/UEFI 1.49-1.44 15 Feb 2022 X13 Yoga Gen 2 (Type 20W8, 20W9) Laptop (ThinkPad) 1.32 / 1.24 BIOS/UEFI 1.32-1.24 21 Feb 2022 X1 Extreme 4th Gen (Type 20Y5,20Y6) Laptop (ThinkPad) P1 Gen 4 (type 20Y3, 20Y4 ) Laptop (ThinkPad) 1.14 / 1.15 BIOS/UEFI 1.14-1.15 18 Feb 2022 X12 Detachable Gen 1 (Type 20UW, 20UV) Laptop (ThinkPad) 1.20 / 1.16 BIOS/UEFI 1.20 22 Feb 2022 L13 Gen 2 (type 20VH, 20VJ) Laptops (ThinkPad) L13 Yoga Gen 2 (type 20VL, 20VK) Laptops (ThinkPad) 1.16 / 1.14 Nvpro 1.14 / 1.10 Vpro BIOS/UEFI 1.16-1.14 09 Mar 2022 X1 Titanium (Type 20QA, 20QB) Laptop (ThinkPad) 1.19 / 1.13 BIOS/UEFI 1.19-1.13 07 Mar 2022 T14s Gen 2 (Type 20WM, 20WN) Laptop (ThinkPad) X13 Gen 2 (Type 20WK, 20WL) Laptop (ThinkPad) 1.44 / 1.38 BIOS/UEFI 1.44 03 Mar 2022 T14 Gen 2 (Type 20W0, 20W1) Laptop (ThinkPad) P14s Gen 2 (Type 20VX, 20VY) Laptop (ThinkPad) T15 Gen 2 (Type 20W4, 20W5) Laptop (ThinkPad) P15s Gen 2 (Type 20W6, 20W7) Laptop (ThinkPad) 1.49 / 1.40 BIOS/UEFI 1.49 23 Mar 2022 L14 Gen 2 Type 20X1 20X2 Laptops (ThinkPad) L15 Gen 2 Type 20X3 20X4 Laptop (ThinkPad) 1.55 / 1.47 BIOS/UEFI 1.55-1.47 29 Mar 2022 注意： 更新时请注意，需要移除所有系统外接设备，只连接更新BIOS必须的电源适配器。 备注: WW Tips请参考网页