Re: x1 Carbon 2nd - Replace a 1600x900 non touchscreen with a 2560x1440 touchscreen display in ThinkPad: X Series Laptops https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/x1-Carbon-2nd-Replace-a-1600x900-non-touchscreen-with-a-2560x1440-touchscreen-display/m-p/3822527 ThinkPad: X Series Laptops topics Thu, 28 Sep 2017 10:00:24 +0000 tp02_en <![CDATA[ Re: x1 Carbon 2nd - Replace a 1600x900 non touchscreen with a 2560x1440 touchscreen display ]]> https://forums.lenovo.com/topic/findpost/1301/3822527/3822642 HD+ has 30 pins connector whereas WQHD - 40 pin connectors, but it should work as the end which goes to Motherboard is same for both.

Below is the service video which might help you