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IMPORTANT: Using Thunderbolt 3 on Windows

This article provides the requirements and procedures to use your LaCie Thunderbolt 3 devices on Windows PC.

This article provides the requirements and procedures to use your LaCie Thunderbolt 3 devices on Windows PC.

Your LaCie Thunderbolt 3 storage device is certified for use with Windows PCs that have a Thunderbolt 3 port. However, you may experience connectivity issues between the storage device and the Thunderbolt 3 port on a Windows PC. Therefore, before setting up your LaCie Thunderbolt 3 storage device, please visit your PC manufacturer’s website to update your Windows PC to the latest versions of:
 
  • BIOS
  • Thunderbolt 3 firmware
  • Thunderbolt 3 driver
Also, make certain that your PC has the most recent version of Windows 10.

For questions regarding your PC, please contact the PC manufacturer or for custom computer builds, please contact the motherboard manufacturer. You can also review the following website for additional information: https://thunderbolttechnology.net/updates

Note: This issue pertains to the Thunderbolt 3 port and does not affect USB ports.

Important: LaCie recommends to use the included Thunderbolt 3 (USB-C) cable to ensure maximum data transfer performance when used with compatible ports.


Connecting your Thunderbolt 3 device for the first time

When you first connect a Thunderbolt 3 device to a Windows PC that supports Thunderbolt 3, Intel’s Thunderbolt 3 software will request that you authenticate the recently connected device. A dialog box appears informing “New Thunderbolt devices have been attached”. See Image:
 
User-added image

Follow these steps to authenticate the device:
  • Click OK in the dialog box
  • Click Yes on the Windows User Account Control pop-up
  • Another dialog box appears listing the device’s name along with a drop drown menu with options to Do Not Connect, Connect Only Once or Always Connect. Select the desired option then click OK.