I have an LG 5 K UltraFine monitor. There is a connection issue; sometimes it works, but now it doesn't work at all. I have read that this could be a logic board or Thunderbolt port issue. The repair estimate seems larger than the current value. Looking for any last-minute tips since LG and Apple don't offer support.
iPad Pro, iPadOS 18
the vast majority os display issues users encounter turn out to be inadequate cables for the ferocious high speed r=data transmission rates required to keep a high-end display satisfied, without ANY dropped frames, and for most recent MacOS, without any transmission errors.
that LG 5K Thunderbolt-3 display can only use the ThunderBolt-3 cable that shipped in the box, or another Thunderbolt cable limited to 0.5 meters in length.
if you need more cable length, you MUST use a much more expensive (starts at US$125) ACTIVE ThunderBolt cable.
Thunderbolt 5 cables are high quality, but actually do not support higher signaling rates for this use.
if your Thunderbolt-3 cable is 0.5 meters or shorter, then the issue is likely elsewhere.
Thank you for the reply. I have used the ThunderBolt-3 and it is not working, do you think it is worth trying the ACTIVE ThunderBolt cable?
LG 5K UltraFine monitor connection issue
