My computer is not properly detecting my Thunderbolt 3 device. What do I do?

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If your computer is not detecting your Thunderbolt™ 3 device, try the following:

Update the Thunderbolt software on your Thunderbolt 3 host device.
Update the Thunderbolt controller NVM firmware on your Thunderbolt 3 host device.
Update the Thunderbolt controller drivers.
Update your motherboard BIOS or UEFI.

For more information about how to update the software, firmware, drivers, and BIOS or UEFI, refer to the website of the manufacturer of the Thunderbolt 3 host device. The following website includes links to some of the manufacturers of Thunderbolt 3 host devices: https://thunderbolttechnology.net/updates. If the manufacturer of your host device is not listed, you should contact the manufacturer or refer to their website for more information.

For more information about how to check which version of the Thunderbolt software and firmware you are currently using, see the following FAQ: https://www.startech.com/faq/thunderbolt-3-check-software-firmware.

For more information about Thunderbolt 3 host system and motherboard compatibility, refer to the Thunderbolt 3 Compatibility and Troubleshooting guide.

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