I also was able to get windows to set audio default to Thunderbolt Display (another reboot there). but it is working so far - not bad -> $50 for adapter and keep the same monitor. Now every reboot I get a message 'Thunderbolt Display may not work correctly'. (so I don't match their screenshot exactly anymore) but it was enough to make it work. Next time I hopped into BIOS - I made the Support in PreBoot Environment Disabled. Could be common or just part of the restrictions my work places on Company Devices. See slide #4 settings, but after the 1st time reboot - I had a screen on both the laptop and the Apple Thunderbolt Display, but my Software based Windows 'Thunderbolt Settings' - promptly disabled the display as unapproved and then crashed the Thunderbolt App. and I u sed the following guide for starting point Note only 1 of the USB C ports has 'thunderbolt 3' - the other I USB-C for the ugly brick - power/charge for the laptop (as I don't think the Apple Thunderbolt 2 would successfully be powering /charging laptop) Tonight I successfully connected Lenovo ThinkPad T480 - using the Thunderbolt 3 enabled USB C port (check which port your are using) and an Apple Official ThunderBolt 2 - 3 Adapter. Key is - your windows machine needs a built in Thunderbolt 3. M13817 Re: Apple Thunderbolt Display port & XPS 15 Thunderbolt3 - Dell Community

Here's the original forum post on Dell that helped me: There were no such thunderbolt settings in the Gigabyte laptop's BIOS that I have since sold. all seem to be working on the TB display. In the BIOS, I disabled Thunderbolt Security, and also switched a setting from 'Native Enumeration' to 'Bios Enumeration'Īfter making these 2 changes and then booting, the Apple TB display pops up instantly the moment I connect the TB3 to TB adapter.Īlso, the hub, ethernet, audio speakers, etc. Luckily, I was able to search the Dell forums, and found a solution. It would recognize the display was attached, but nothing came up. It had the exact same issue as the Gigabyte: The inability to connect to an Apple Thunderbolt Display via a TB3 to TB adapter. I have since sold my Gigabyte Aero 15 Laptop, and purchased a Dell XPS15. I have an update for those watching this thread.

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