820-4925-A after bios flashing no boot to system


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6 years 6 months ago - 6 years 6 months ago #7917 by davis12
This came with ransom "virus" I flashed the BIOS and it went away, I can see the users and boot menu (alt) after login I see the status loading bar goes slowly and stocked at the very end, I can press the keyboards and hear respond sound but not further, same with external system.
So I understand that manual edit is needed with hex editor for Macs later then late 2012, I found a guide that says I have to get the SN. and the HASH from the original dump and so I did but I could only find the location of the SN. the Hash I had to do the key combination shift,ctrl,option,cmd, S from the computer but I search in the dump and unable to find the location of it.
I understand that I need to ass this 2 to a clean dump for the same MLB number, only the location of the Hash key make it difficult.
Please guide me how to locate it.
Thanks!
PS: I am using Mini pro TL866 to flash
Last edit: 6 years 6 months ago by davis12.

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6 years 6 months ago #7923 by davis12
Can somebody please guide me here I have to get it done ASAP!

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6 years 6 months ago #7933 by davis12
Thought that will be more active forum..
Got a clean file by EMC edited the SN. Flashed it and all good.

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