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Amanda James
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November 14, 2026 at 11:00 pm in reply to: [Solved] MacBook Pro 16″ M1 Pro MagSafe 3 Blinking Amber LED and Refusing to Charge (macOS Sonoma 14.6) – Verified Troubleshooting #14070
Amanda James
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Completely discharging GaN brick capacitors, cleaning pogo pins with 99% IPA, and triggering PMU cold reset.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Unplug power brick from the wall and disconnect MagSafe cable. Wait 2 full minutes for capacitors to discharge.
- Clean the 5 gold spring-loaded pins with 99% isopropyl alcohol and a lint-free swab.
- Plug adapter directly to wall, connect MagSafe to Mac, and power on. The LED will illuminate steady amber.
Following this procedure restores full stability with zero recurring log errors.
Mac Studio M2 Max (64GB) | Neumann KM184 Pair | Logic Pro 11 | Boston, MAApple Certified Support Professional (ACSP) | Classical Pianist & Spatial Audio ArrangerNovember 14, 2026 at 10:07 pm in reply to: [Solved] How to fix MagSafe 3 Blinking Amber LED and Refusing to Charge caused by SMC Power Delivery controller handshake fault on MacBook Pro 16″ M1 Pro #13134Amanda James
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Completely discharging GaN brick capacitors, cleaning pogo pins with 99% IPA, and triggering PMU cold reset.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Unplug power brick from the wall and disconnect MagSafe cable. Wait 2 full minutes for capacitors to discharge.
- Clean the 5 gold spring-loaded pins with 99% isopropyl alcohol and a lint-free swab.
- Plug adapter directly to wall, connect MagSafe to Mac, and power on. The LED will illuminate steady amber.
Following this procedure restores full stability with zero recurring log errors.
Mac Studio M2 Max (64GB) | Neumann KM184 Pair | Logic Pro 11 | Boston, MAApple Certified Support Professional (ACSP) | Classical Pianist & Spatial Audio ArrangerAmanda James
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Purging generated project render files and disabling Optical Flow on speed-ramped clips.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- In Final Cut Pro, select your Project in the browser, go to File > Delete Generated Project Files, and select Delete Render Files (All).
- Select any re-timed/speed-ramped clips, open the Video Inspector, and change Video Quality from Optical Flow to Frame Blending.
- Export destination should be an internal APFS location first before transferring to external storage.
Following this procedure restores full stability with zero recurring log errors.
Mac Studio M2 Max (64GB) | Neumann KM184 Pair | Logic Pro 11 | Boston, MAApple Certified Support Professional (ACSP) | Classical Pianist & Spatial Audio Arranger -
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