Hello friends, i have a priblem whith a Macbook Air A1466 Mid 2013 13inch i5 procesor,
Laptop is powering up and boot but work in slow mition and freeze when try to start OSX.
After testing motherboard i see that original EFI chip was rewriten whith a blank or copy of same Macbook Efi.
There are some solution to repair or force update EFI on this Macbook to work again?Linux firmware update? or some tips to prepare EFI file to work flawless?

Thx!

The solution here - viewtopic.php?f=51&t=27379

To help nothing

work this efi`?