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Carol Werner
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November 14, 2026 at 9:15 pm in reply to: [Solved] MacBook Pro 14″ M3 Max encountering Time Machine Backup Hanging on ‘Preparing Backup’ after update (macOS Sonoma 14.7) #12459
Carol Werner
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Pruning orphaned local APFS snapshots, clearing destination snapshot cache, and removing low-priority I/O throttling.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Stop backup daemon:
sudo tmutil stopbackup && sudo killall -9 backupd. - Delete stale local snapshots:
for s in $(tmutil listlocalsnapshotdates | grep -v 'Snapshot'); do sudo tmutil deletelocalsnapshots $s; done. - Disable CPU throttle during sync:
sudo sysctl debug.lowpri_throttle_enabled=0.
Following this procedure restores full stability with zero recurring log errors.
MacBook Pro 16″ M3 Max (48GB) | RME Babyface Pro FS | Genelec 8330A | San Diego, CAApple Certified Support Professional (ACSP) | Logic Pro Audio Producer & Mixing EngineerNovember 14, 2026 at 8:50 pm in reply to: [Solved] Clean Energy Charging Pausing Battery at 80% Overnight on iOS 18.0.2: Diagnostic steps and permanent fix #12107Carol Werner
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Disabling Clean Energy Charging toggle or overriding charging hold directly from lock screen.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Navigate to Settings > Battery > Charging Optimization.
- Toggle Clean Energy Charging to OFF.
- For an immediate top-off, long press the lock screen notification and select Charge to 100% Now.
Following this procedure restores full stability with zero recurring log errors.
MacBook Pro 16″ M3 Max (48GB) | RME Babyface Pro FS | Genelec 8330A | San Diego, CAApple Certified Support Professional (ACSP) | Logic Pro Audio Producer & Mixing Engineer - Stop backup daemon:
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