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Hi, i would like to ask a question if you dont mind to help me. i have 2x a2337 motherboards 1 of them has CPU dead and the second is icloud locked. i have transfered the icloud locked cpu over to the dead machine and the short that i had on 0,8v is no longer there and all powers comes on . the laptop stuck at 5v and wont display anything so my question is do i need to put it to DFU mode to restore it or how do you bring that machine back alive and if you can get the old data back or even to turn it on without it? how do you put on DFU mode if you cant see anything on the screen?
 
It is very difficult to determine if the Motherboard has another problem that leads to the CPU die. If you replace the CPU without fixing that problem, it is very difficult to get it to work.
 
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