Table 7-44 Issues, possible causes, and xes
Items Procedures
Symptom
Thunderbolt device not working
Possible causes
BIOS, drivers, and user settings.
Troubleshooting steps
1. Update to the latest BIOS and choose appropriate TB Port settings.
2. Reset User Account Settings to default.
3. Update Intel Thunderbolt software that includes rmware version (for TB controller), driver
version (operating system driver), and application version.
4. Verify that Windows Device Manager detects the TB device.
5. Verify cable connection to TB port.
6. Test with a veried working TB board, if possible.
NOTE: Thunderbolt is new technology. Thunderbolt cable and Thunderbolt device must be
compatible with Windows. To determine whether your device is Thunderbolt Certied for Windows,
see https://thunderbolttechnology.net/products.
158 Chapter 7 Troubleshooting guide ENWW
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