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Macbook Air A1369_K21 051-8870 820-3023-A_A1369 PJ5 MC965

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Macbook Air A1369_K21 051-8870 820-3023-A_A1369 PJ5 MC965
 
About this board

Macbook Air A1369 K21 051-8870 A1369 PJ5 MC965 — motherboard 820-3023-A.

Files usually needed for this board
  • EFI firmware (full SPI ROM dump)
  • Schematic (PDF)
  • Boardview (.brd / .bdv / .cad)

Typical reasons to reflash: no boot or no chime after a firmware update, a firmware (EFI) password lock, or a corrupted ROM after liquid damage.

Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.

Have a tested file for 820-3023-A? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.

Attachments

K21-LIO 051-8933_820-3057 r410.pdf
250.1 KB · Views: 28
k21_mlb_051-8870_3.13.0.pdf
2.6 MB · Views: 11
k21_lio_051-8933_4.1.0.pdf
135.3 KB · Views: 19
K16_LIO_051-8540.pdf
126.7 KB · Views: 20
[k21_051-8870 820-3023-A_A1369.brd
508.4 KB · Views: 14
Click to expand...
dassadiarra788@ said:
Could someone help me with this Macbook Air A1369 EMC 2469 ( 820-3023-A )
Sometimes, the computer power on and display. But most of time, it power on and just beeping 3 times without displaying.
Click to expand...
In this model mostly onboard ram error we see
 
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