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Hello, I have dead iMac 21,5 I try KGB Power supply but still the same. First LED always is on, secound blinking (pulse) when board get 0,7A. Always on: PP3V_G3 - 0,23-3,3v pulse PP12V_ACDC 12.04V 590 PP12V_G3H 12.04V 590 PP3V42_G3H 3.40V 460 S5: PP12V_S5 12.00 V PP5V_S5 4.98V PP3V3_S5...

Mouse don't light when i connect in USB, still the same with pendrive with macOS. Thanks i buy chipmunk. What I can do next?

History: 6 months ago customer repair this MacBook in another service, he have problem after small water damage, "computer only saw battery, touchpad, disc in recovery mode". After this Repair all works good. How i check USB acivity? I have 5V in USB connector.

I have 820-00165. Macbook not booting, When i connect power DC: Green light, fan spin, Orange light, eat 0,72A. No sounds and image. Hot CPU and SSD (thermal camera picture) Voltage in L7095- 3,42V

After when I write this topic, i find solution. Problem is in L4500, this bad coil Have 500 Ohms. Customer do short PP3V3 S0 SSD FLT and Coil was burned in half.

Hello I have 820-3332 with problem with detected ssd, voltage and resistance in connector is normal, i replace U4510 but still the same, drive was seen when i connect with usb. SSD have HFS. About history of this computer i know that customer put in this bad adapter with this ssd (photos). After...