Re: 820-01700 no power; P5VG3S_EN missing
This is the guide what I use:
Differential diagnosis for PP5VG3S_EN missing:
• Device stuck in DFU or Recovery mode.
• Corrupted T2 Firmware or corrupt T2 ROM.
• Failed T2 chip.
• Failed PMU (U7800).
➤Diagnostic Steps:
1. Check if the device is stuck in DFU or Recovery mode.
- Plug the MacBook into another Mac or MacBook via its master port (Left side, bottom port, closest to the trackpad) and open...
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