Hello,
I bought a USB C to Displayport Cable 1.4 off amazon. I am trying to use it for my LG Ultrafine 5k and PC and I can’t see anything. It’s even bi-directional. How come it doesn’t work?
USB C to Displayport Cable 1.4 does not work with my LG Ultrafine 5k
Updated on 20-01-2022 in
USB Type C
Which item code does the cable has?
CAC-1517 or CAC-1557?
The cables do not have the function Power Delivery. That is my geuss. Have you tried with a power source connected?
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Which LG UltraFIne 5K display do you have? Only the newer model 27MD5KL will work with a non-Thunderbolt input. Note that the display is limited to 4K60 or maybe 5K39 when Thunderbolt is not used.
I would try a solution that includes USB so you can use the USB features of the display (audio, camera, USB ports, brightness control) such as the Belkin Charge and Sync cable.
https://egpu.io/forums/gpu-monitor-peripherals/does-a-usb-c-monitor-support-displayport-input-over-a-usb-c-to-displayport-cable/paged/4/#post-79127
There’s also the CAC-1332 which is a HDMI 2.0 to USB-C (includes USB 2.0).
You can also maybe install Boot Camp drivers for the LG UltraFine 5K.
https://github.com/timsutton/brigadier
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