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A1418 EMC 2638 NEED HELP CLEAN EFI


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5 years 7 months ago #10394 by A-ndong
A1418 EMC 2638 NEED HELP CLEAN EFI was created by A-ndong
HI EVERYONE
I need help with my locked bin,any help really appreciate
Thank you
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5 years 7 months ago #10396 by GhostJas
Replied by GhostJas on topic A1418 EMC 2638 NEED HELP CLEAN EFI
can you upload untouched bios again, looks like this one had been modified and missing some fields.

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5 years 7 months ago - 5 years 7 months ago #10397 by A-ndong
Replied by A-ndong on topic A1418 EMC 2638 NEED HELP CLEAN EFI
Hi GhostJas,my customer brought this imac into my shop,I tried to load new os by option key,and it asked for 4 digits key,so i read the dump file and posted it here,so this is the only file i have,and as customer told me that he had brought this imac to the other shop before,so it could be has a corrupted bios file.
Thank you
Last edit: 5 years 7 months ago by A-ndong.

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5 years 7 months ago #10398 by GhostJas
Replied by GhostJas on topic A1418 EMC 2638 NEED HELP CLEAN EFI
well, can you have a look the serial number on the bottom of the imac stand, I can modify the new BIOS to match it. also I have checked your bios dump, it must be not the original one, the BIOS serial number did not belong to this BIOS dump. serial - XXXXXXXF8J2 , but this BIOS dump was from XXXXXXXF8J7. tell me your imac serial I will get you a working BIOS dump.
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5 years 7 months ago #10399 by A-ndong
Replied by A-ndong on topic A1418 EMC 2638 NEED HELP CLEAN EFI
GhostJas
The ssn is C02M94L9F8J2,this ssn from the bottom of the imac’s stand,can you make a working bios match this ssn?if you could it would be greatfull
Thank you for your help

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5 years 7 months ago #10400 by GhostJas
Replied by GhostJas on topic A1418 EMC 2638 NEED HELP CLEAN EFI
here you go.
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The following user(s) said Thank You: A-ndong

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5 years 7 months ago - 5 years 7 months ago #10401 by A-ndong
Replied by A-ndong on topic A1418 EMC 2638 NEED HELP CLEAN EFI
I will try and keep you updated,thanks for your working hard to help me out,really appreciate it.
Thank you
Last edit: 5 years 7 months ago by A-ndong.

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5 years 7 months ago #10402 by A-ndong
Replied by A-ndong on topic A1418 EMC 2638 NEED HELP CLEAN EFI
I tried three times but this file is not working,but still thanks a lot for your help.This file make the inac black out and no chime.
Thank you

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5 years 7 months ago #10403 by GhostJas
Replied by GhostJas on topic A1418 EMC 2638 NEED HELP CLEAN EFI
first of all, you need to ERASE old bios, then rewrite the new BIOS dump. just simple overwrite new BIOS dump wont work.
then after write the bios, reset smc and pram after iMac boots, your imac will chime as usual. press option key, will show you the boot disk.

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5 years 7 months ago - 5 years 7 months ago #10449 by moiky
Replied by moiky on topic A1418 EMC 2638 NEED HELP CLEAN EFI
Hello, I need Help, I make a dump for my MXIC 25L6406E this is iMac A1418 EMC 2638

, I need a dump clean, you can help me? please
I make 4 dumps identical, this iMac is blocked for password EFI


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File Name: iMacA1418EMC2638.zip
File Size:4,160 KB
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Last edit: 5 years 7 months ago by moiky.

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5 years 7 months ago #10452 by GhostJas
Replied by GhostJas on topic A1418 EMC 2638 NEED HELP CLEAN EFI
here you go. UNLOCKED EFI PASS
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The following user(s) said Thank You: moiky

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4 years 4 months ago - 4 years 4 months ago #11685 by moiky
Replied by moiky on topic A1418 EMC 2638 NEED HELP CLEAN EFI
Hello, I need Help, I make a dump for my SST 25VF032B this is MacBook Air A1370 EMC 2393

I need a dump clean, you can help me? please
I make 3 dumps identical, this Macbook Air is blocked for password EFI

Thanks
Last edit: 4 years 4 months ago by moiky.

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4 years 4 months ago #11686 by moiky
Replied by moiky on topic A1418 EMC 2638 NEED HELP CLEAN EFI
Thanks : )

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4 years 4 months ago #11759 by .::iRizwan::.
Replied by .::iRizwan::. on topic A1418 EMC 2638 NEED HELP CLEAN EFI

moiky wrote: Hello, I need Help, I make a dump for my SST 25VF032B this is MacBook Air A1370 EMC 2393

I need a dump clean, you can help me? please
I make 3 dumps identical, this Macbook Air is blocked for password EFI

Thanks


Where is the dump?
if i helped you Buy me a Coffee

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