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Anna Torres
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Anna Torres
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Optimizing ambient battery airflow, verifying braided cable locking collar engagement, and power-cycling.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Ensure the aluminum battery pack is resting on an uninsulated surface with free ambient airflow (not inside pocket).
- Verify the braided tether connector is firmly locked: align white dot on cable with white dot on audio strap, insert, and rotate clockwise 45 degrees until yellow dot disappears.
- Reboot Vision Pro by holding both the Top Button and Digital Crown until the Apple logo appears on EyeSight display.
Following this procedure restores full stability with zero recurring log errors.
Apple Vision Pro (512GB) | MacBook Pro 14″ M4 Pro | AirPods Pro 2 | SingaporeApple Certified Support Professional (ACSP) | visionOS Spatial Computing DeveloperNovember 14, 2026 at 10:45 pm in reply to: [Solved] MacBook Pro 16″ M2 Max encountering Thunderbolt 4 SSD Speeds Throttled to USB 3.0 after update (macOS Sonoma 14.6.1) #13800Anna Torres
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Verifying certified 40Gbps active cables, resetting Thunderbolt kernel extensions, and enabling TRIM.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Verify cable has official Thunderbolt 4 lightning bolt and ‘4’ logo. Charging cables will not negotiate PCIe.
- Reset bus enumeration:
sudo killall -9 diskarbitrationd. - Enable APFS TRIM support:
sudo trimforce enable.
Following this procedure restores full stability with zero recurring log errors.
Apple Vision Pro (512GB) | MacBook Pro 14″ M4 Pro | AirPods Pro 2 | SingaporeApple Certified Support Professional (ACSP) | visionOS Spatial Computing Developer -
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