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0x80070643 - Fatal error during installation You may experience error code 0x80070643 when reinstalling Intel Thunderbolt Controller Driver on your computer. Figure 1: Intel Thunderbolt software error 0x80070643 If you need additional help with Thunderbolt issues, check out these resources: USB-C and Thunderbolt Docks Not Recognized by the Computer How to Install or Update the Thunderbolt Controller Driver and Firmware Using Dell Command | Update on Dell Computers Intel Thunderbolt Controller Driver Installation Failed on Intel Generation 12 Processor System with Windows 11
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Reinstall Intel Thunderbolt Controller Driver Step 1: Uninstall Intel Thunderbolt Controller Driver from Apps & Features Press Windows Key + X , then click Apps and Features . Search Thunderbolt . Click Intel Thunderbolt Control Center and then click Uninstall. Allow the uninstallation to complete. Reboot your computer. Step 2: Uninstall Thunderbolt(TM) Controller from Device Manager Press Windows Key + X , then click Device manager . Once in Device manager window, under System Devices, look for Thunderbolt(TM) Controller . Right-click Thunderbolt(TM) Controller and click Uninstall . Figure 2: Locate Thunderbolt(TM) Controller under System Devices in Device Manager Ensure to select Delete the driver software for this device , then click Uninstall to confirm uninstall. Figure 3: Confirmation prompt to Uninstall Thunderbolt(TM) Controller from Device Manager Step 3: Install Intel Thunderbolt Controller driver from Dell Drivers & Downloads Browse to Intel Thunderbolt Controller driver . Click Download and save the file to your computer. Open File Explorer , and browse to the location where the downloaded file is saved. Double-click the Intel Thunderbolt Controller driver setup file and follow the on-screen instructions to complete the installation process.
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