Macbook Air A1466 EMC 3178 - 2017 Boot

Sergio Kub

Senior Member

Join Date: Jul 2018

Posts: 181

Country: Brasil

Interests: Computer
#1

Macbook Air A1466 EMC 3178 - 2017 Boot

07-08-2025, 04:12 PM

Could someone help me?
I have a Macbook Air A1466 EMC 3178 - 2017, board 820-00165 and sometimes the boot interrupts with an image of a folder and a question mark.
Could it be the BIOS?
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claudio.henri

Member

Join Date: Mar 2018

Posts: 15

Country: brasil
#2

08-07-2025, 12:49 PM

não e bios isso geralmente e problema no ssd
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Sergio Kub

Senior Member

Join Date: Jul 2018

Posts: 181

Country: Brasil

Interests: Computer
#3

08-07-2025, 06:56 PM

SSD já foi substituído 2 vezes.
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MAcbook Air A1466 EMC 3178 - 2017 Boot

by Sergio Kub

Could someone help me?
I have a Macbook Air A1466 EMC 3178 - 2017, board 820-00165 and sometimes the boot interrupts with an image of a folder and a question mark.
Could it be the BIOS?
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
07-08-2025, 04:41 PM
a1466 macbook no boot

by jheunne

i have a macbook air a1466 board id 820-00165a no boot no display no chime with fan spin amber to green light clean board i already tried reset pram still not working also flash its bios. no luck can you help me this one.
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
01-08-2026, 10:34 PM
A1466 macbook no boot green to orange light help

by jheunne

i have macbook a1466 board id 820-00165 with power fan spin green to orange light not booting no image or light i tried to fix its leak chip number U1930 but sad it has been damage due of corrosion here i attach the image of board. possible there is a jumper ways for it can't find parts for it to buy.
in first image there is 0v out for lcd
https://ibb.co/5XppmpkH
in 2nd image U1930 chip is damage is there any jumper solution or parts can be compatible for it
https://ibb.co/fdJkbJs8
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
06-10-2025, 10:52 PM
Macbook Air A1466 EMC 3178 missing power and liquid damaged

by BMCappelletti

Hi everyone.
Macbook Air A1466 EMC 3178 (board 820-00165 A) not turning on and no charging light. Completely dead. With no battery connected it would power up and I could hear the chime, but nothing on the screen and then a sudden turn off. Sometimes during the chime. Opened it up and found some liquid damage. The flat that connects both boards has damage in one side (with a missing pin already). The connectors on the boards are fine, though.
Also, there was liquid damage on the included picture area, which are R8111 and C8111. A quick and soft brush on it made the resistor be gone....
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
04-15-2024, 01:24 PM
Macbook Air A1466 Emc 3178 No light charger after spilling liquid

by sherifu

Hello guys, i have an Macbook Air A1466 Emc 3178, board number 820-00165-A and i encountered following problems. At first no light, no power..after opening and cleaning the LCD socket(Red dot under LCD plug and also Orange dot near wifi card)..got light on charger, fan working and chime...Tried several times and working, then short time after dead...next day work again for short time...after removing the board and cleaning the back(rust on components) with alcohol and soft brush, one of the resistor is gone and no power ..I want to change 5 (buy from China) of them (1 missing and 4 bot looking...

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- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
03-26-2024, 04:54 PM
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Macbook Air A1466 EMC 3178 - 2017 Boot

Macbook Air A1466 EMC 3178 - 2017 Boot

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