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L7210: 0.844V L7230: 0.844V stable until power cycle

how can i check if the CPU is dead on this board? (i have an osciloscope) I want to discard that, so I know there is hope and i can keep searching for a fault. Im concerned about this: L7230: 6.5 Ohms L7210: 6.5 Ohms L7430: 5 Ohms L7410: 5 Ohms L8102: 52.4 Ohms I dont know if those values are...

:-/ Tried but no external video - *It was in recovery mode need to install OS so I dont think I can see external video in that stage. If I connect a usb stick or a mouse its light flashes briefly but not like reading activity

yes thats what i mean a padlock icon, I tried and the same not boot... could be dead CPU? it gets warm then power cycles... *now i get the sound when i connect the usb-c power before I didnt get that sound... Battery charges

so lets say DFU didnt help, what else can I try

Ok after many attempts i managed to go to DFU. I comes with a lock and tellsm it has to update the system. The problem with this is that I dont want to update the BridgeOS ;) is there a way? like flashing the T2 ROM or other chip?

Thank you for your reply, L7210: yes stable (in both pins) L7230: yes stable (in both pins) No Caps Lock green light It wont go to DFU by itself or by pressing the keys combination (DFU never appears on configurator 2). It will reboot after few seconds anyways as you can see on the video. Screen...

Hi all, Im new to the forum and trying to learn to repair macbooks.. :) I got this macbook air with the trackpad click not working, the fuse was blown (its never the fuse) I tested the line and seems ok, replaced the fuse and it worked again... all good BUT when I tried to remove the board again...