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) | 1.51 / 1.32 | 1.51-1.32 | 03 Feb 2022 | |
X1 Nano Gen 1 (Type 20UN 20UQ) Laptop (ThinkPad) | 1.49 / 1.44 | 1.49-1.44 | 15 Feb 2022 | |
X13 Yoga Gen 2 (Type 20W8, 20W9) Laptop (ThinkPad) | 1.32 / 1.24 | 1.32-1.24 | 21 Feb 2022 | |
X1 Extreme 4th Gen (Type 20Y5,20Y6) Laptop (ThinkPad) | 1.14 / 1.15 | 1.14-1.15 | 18 Feb 2022 | |
X12 Detachable Gen 1 (Type 20UW, 20UV) Laptop (ThinkPad) | 1.20 / 1.16 | 1.20 | 22 Feb 2022 | |
L13 Gen 2 (type 20VH, 20VJ) Laptops (ThinkPad) | 1.16 / 1.14 Nvpro | 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) | 1.44 / 1.38 | BIOS/UEFI | 1.44 | 03 Mar 2022 |
T14 Gen 2 (Type 20W0, 20W1) Laptop (ThinkPad) | 1.49 / 1.40 | BIOS/UEFI | 1.49 | 23 Mar 2022 |
L14 Gen 2 Type 20X1 20X2 Laptops (ThinkPad) | 1.55 / 1.47 | BIOS/UEFI | 1.55-1.47 | 29 Mar 2022 |
注意：
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