EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
macbook air a1466 emc2632 year 2013 motherboard 820-3437-B
i modified my readed file (using rt809h universal programmer)bios and with winhex '$SVS' to FF value.but the set sill locked and ask efi pin lock 4 digi. i used the file send by members alfredposadas09 and same i upload the original file with lock efi in attachmentComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
an other a1466 with efi locked any one unlock me the file
yoursComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
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Re: Macbook air password
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Can someone help me?, I had this Macbook Air Early 2014 A1466
S#: C02NP3ZRG5RP EMC 2632.
Laptop was working fine with Catalina, tried to upgrade to Big Sur and failed, since then laptop will not boot, cannot boot from Catalina usb drive, stays loading forever, can only boot from Big Sur USB, erased ssd tried to install again, but stays forever at the end of installation saying 1 minute to finish, fan at high speed for hours nothing happens, tried reset smc, pram etc, nothing works, do I need to supply my firmware even though is corrupt?? or can someone provide me a clean bios firmware with my serial number or details, or if can have some ideas what else to try? ThanksComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Can someone help me?, I had this Macbook Air Early 2014 A1466
S#: C02NP3ZRG5RP EMC 2632.
Laptop was working fine with Catalina, tried to upgrade to Big Sur and failed, since then laptop will not boot, cannot boot from Catalina usb drive, stays loading forever, can only boot from Big Sur USB, erased ssd tried to install again, but stays forever at the end of installation saying 1 minute to finish, fan at high speed for hours nothing happens, tried reset smc, pram etc, nothing works, do I need to supply my firmware even though is corrupt?? or can someone provide me a clean bios firmware with my serial number or details, or if can have some ideas what else to try? ThanksDue to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Here is the firmware from my Macbook Air 2014 820-3437-bAttached FilesComment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
try..Attached FilesDue to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Re: EFIBIN File MacBook Air A1466 (EMC 2632) 820-3437-B
Thank you very much for your help, I got your firmware, burnt it and tested, I was able to boot from Catalina now, but computer is very slow and fan at high speed. I was able to load Catalina, computer is running slow and fan in high speed.
There is something else going on...if I run diagnostic I got results saying SMC has errors, checked around it no liquid spill or bad components, didn't want to get into replacing smc unless I can verify is faulty.
Well reading forums and youtube videos, found something interesting, disconnect the webcam and test, no more fan at high speed!, laptop is not slow anymore!, bad webcam? well I remember I exchange top assembly from a 2015 macbook air a few weeks ago, never had a problem until I did the upgrade to Big Sur. Exchanged back the top lcd assembly from the 2015 to the 2014 and vice versa. Both computers are working fine now.
So even though screens looks exactly the same, if you put a macbook air 2015 assembly to a macbook air 2014 you might have this issue, fan at high speed and laptop running very slow. Lesson learned, hope this notes help somebody else. And again thank you to all of you specially peste who offer their support to whoever is in need of knowledge!Comment
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MacBook Air A1466 (EMC 2632)
help plz i recieved macbook air with appel logo in screen and power off , serial : C1MSN7QDH3QD
i need good dump pls thxAttached FilesComment
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