Repair Case Studies

Board-level repairs documented from first symptom to verified fix — diagnostic process, voltage readings, and lessons learned.

Documented Repair Guides

Manually created repair guides with full diagnostic documentation.

2026-03-28

MacBook Air A1932 820-01521 — No Battery Support, Full Fan Speed, Internet Recovery Loop Fix — Repair Guide | Boardrepair

Fix MacBook Air A1932 820-01521 booting only on AC, full fan speed, and Internet Recovery Wi-Fi loop caused by a non-original battery. Step-by-step guide.

manual
820-01700

MacBook Pro 15 2018 No Power — T2 Chip Not Booting

Charges fine, no boot, no image, no fan spin

no-power t2 pp3v3