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Hello, I have a MacBook a1990 who is blocking on 5v, we have change UB300 because i see on th thermal camera is go up to 50° degres but is no go on 20V. After i have find a short ciruit on the line PP3V3_G3H_T, i have inject eletric power and i have find C8250 dead. there is no more short...

Thank you but you think it's rather the SSD or the T2 Which hard drive fails most regularly? when it enters dfu mode and after I restore is it obligatory to have the voltage on the NAND?

I cant is say « too large » but the message is : Gave up waiting for device to transition from DFU state to DFU state. [com.apple.MobileDevice.MobileRestore - OxFCA (4042)]

Click on the link, I have rename the link « picture of error »

Picture of error I have try with a 2.0 usb câble and is working, I see the MacBook in apple configurator but I have a error. The macbook start the restoration but at the end I have a error

the customer brought it to me like this, there was no liquid inside and a short circuit thanks and i use a power supply yes i ask for power on sequence sorry for that

Thanks ! 1-its the history 2- thanks 3- I have enter the MacBook in DFU mode but i dont have tension and apple configurator dont detect the macbook but I have the notification that I have connected a device in a thunderbolt port 4- je veux juste connaître le cycle de démarrage du macbook...

hello, 1- I have a MacBook A2141 and its dont turn on i have first 5v and after 20v that its normal but i have 0.057 A not short circuit on the nand but 0v everywhere on the nand L7660 (PPV3_g3h_t) OK (i have 3v) L7600 (pp5v_g3s) 0v not short circuit and i have 396 ohm i have change...