The Dell laptop has an older Thunderbolt chip and older drivers. My colleague has a Dell laptop with a Thunderbolt port, and the display works fine on that laptop. I only have access to the one kind of display, but both of them act the same. I rebooted, but the device behaviour did not change and the driver for the Thunderbolt(TM) Controller - 15D2 still has version 17.1.64.6Įither this is the most recent driver or the installer on the Lenovo site is somehow broken. Intel(R) Corporation (TbtMpDrv) Net ( 17.1.64.2) It ran and appeared to work fine, but the completion window said that it was installing drivers named I then ran the program what was suggested and got to the device-driver installation wizard. This will install Intel Thunderbolt Driver version 17.1.64.250 on your computer I ran the downloaded file and got a window saying The Thunderbolt Software application, but not in Manage Approved Thunderbolt It does show up in Attached Thunderbolt Devices in If I select Always Connect and OK the pop-up goes away but theĭevice is not connected. Titled Approve Thunderbolt Devices, with Apple Inc., Thunderbolt Display When I boot with the display attached or plug the display in I get a pop-up I have attached DxDiag and SSU output with the display connected. The same behaviour occurs using the Apple Thunderbolt 3 toĪpple is bad at putting model numbers on their devices, but there has onlyīeen one version of the display as far as I know, model number A1407. Thunderbolt converter TBT3TBTADAP which is connected to an Apple Thunderboltĭisplay (which has an internal Thunderbolt hub) using only the display'sĬable.

I have one ThunderBolt 3 port connected to a Thunderbolt 3 to It has two USB-C ports with Thunderbolt 3 under a Thunderbolt The laptop is a Lenovo Yoga 920 model 131KB with 16GB Ram and 4K

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