Apple iMac A1419 820-4652 Schematic and Boardview

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Apple iMac A1419 820-4652-A
BIOS Mid 2015
J78 MLB CTX
Schematic and boardview

 

[B4RDOCK]

Got it!
Here ya go!

thanks

 

[bouras yassine]

unlock password bios pllz

 

[ThienBui]

BIOS error, Please check again backup...

 

[NBS-Elextrixman]

Can you fix this?
Not sure if my bios is the problem.
But need to check.
Thank You!

 

[ThienBui]

Can you fix this?
Not sure if my bios is the problem.
But need to check.
Thank You!

more info problem ?

 

[janoszw]

Hi, On my bios I have display but MacOS is not starting.
I'm attaching my old bios. Can you fix please?

 

[ThienBui]

Hi, On my bios I have display but MacOS is not starting.
I'm attaching my old bios. Can you fix please?

not sure problem from bios you need try one BIOS other and compare

 

[E1LM]

Hi, On my bios I have display but MacOS is not starting.
I'm attaching my old bios. Can you fix please?

It's a rare bios problem on these computers, what does the screen show?

 

[ThienBui]

It's a rare bios problem on these computers, what does the screen show?

no Understand

 

[Nolbile295]

Attached is my old bios able to help rebuild, used ur clear ME sometimes turns on only. Most time just doing 3 short 3 long 3 short beeps

 

[ThienBui]

Attached is my old bios able to help rebuild, used ur clear ME sometimes turns on only. Most time just doing 3 short 3 long 3 short beeps

 

[Nolbile295]

Still the same 3 long 3 short 3 long beeps, EFI Error.
My one is A1419 820-4652-A 2014 Model

 

[ThienBui]

Still the same 3 long 3 short 3 long beeps, EFI Error.
My one is A1419 820-4652-A 2014 Model

try more BIOS other and check hardware.

 

[Nolbile295]

try more BIOS other and check hardware.

Does it matter if my one is the 5k model?
Apple iMac 27-Inch "Core i5" 3.5 (5K, Late 2014) Specs

 

[ThienBui]

Does it matter if my one is the 5k model?
Apple iMac 27-Inch "Core i5" 3.5 (5K, Late 2014) Specs

so what ?

 

[putra]

Apple iMac A1419 820-4652-A
BIOS Mid 2015
J78 MLB CTX
Schematic and boardview

BIOS GOOD THANKS

 

[adnanaslam]

i need schematic adp-200dfb

 

[ThienBui]

i need schematic adp-200dfb

no Schematics

 

[anhvy2012vn]

xin chào
vui lòng xóa giúp tôi bios giúp tôi, cái này khởi động vào rất chậm

 

[ThienBui]

xin chào
vui lòng xóa giúp tôi bios giúp tôi, cái này khởi động vào rất chậm

Not related to clear me, ckear me only fixes late display