Complete step-by-step guide to factory resetting your MacBook Air (Intel & M-series). Learn essential backup steps, fix common errors, avoid data loss, and troubleshoot failed resets. Includes pre-sale wipe tips.
Step-by-step guide to safely restore any MacBook to factory settings. Covers backup prep, sign-out critical steps, Intel vs Apple Silicon processes, troubleshooting, and post-reset optimization based on real-world experience.