Apple iMac A1419 820-4652 Schematic and Boardview

.n 9446naj · Nov 13, 2021

how to fix

ThienBui · Nov 13, 2021

.n 9446naj said:
how to fix
View attachment 178999

you need test hardware

How to Use Apple Hardware Test to Diagnose Mac Problems

How to Use Apple Hardware Test to Diagnose Mac Problems One of the definitive ways for an average user to determine if their Mac has a hardware problem is to run Apple Hardware Test or Apple Diagnostics, which is what we’re going to show you how to do in this tutorial. Yes, most Mac users...

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Junior PB · Jan 20, 2022

This is the original BIOS with firmware lock. Can you please remove the passcode. cheers

ThienBui · Jan 20, 2022

Junior PB said:
This is the original BIOS with firmware lock. Can you please remove the passcode. cheers

Oscar Pinzon · Jul 16, 2022

hi, i need bios to Imac 27" A1419 motherboard 820-4652A, thanks

ThienBui · Jul 16, 2022

Oscar Pinzon said:
hi, i need bios to Imac 27" A1419 motherboard 820-4652A, thanks

Apple iMac A1419 820-4652 Schematic and Boardview

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

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Oscar Pinzon · Jul 16, 2022

ThienBui said:
Apple iMac A1419 820-4652-A
BIOS mediados de 2015
J78 MLB CTX
Vista esquemática y de tablero

bios enciende, da sonido de campana, la pantalla brilla y no da imagen

ThienBui · Jul 16, 2022

Oscar Pinzon said:
bios enciende, da sonido de campana, la pantalla brilla y no da imagen

I think hardware have problem

anhvy2012vn · Mar 22, 2023

vui lòng giúp tôi chỉnh sửa bios này, nó khởi động chậm

ThienBui · Mar 22, 2023

anhvy2012vn said:
vui lòng giúp tôi chỉnh sửa bios này, nó khởi động chậm

anhvy2012vn · Mar 22, 2023

bạn xem lại nó chỉ sáng 3 đèn , không hiện thị , file củ haotj đọng tốt nhưng hiện thị rất chậm

amawajith2020 · Apr 9, 2023

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

Remove Bios password please

ThienBui · Apr 9, 2023

amawajith2020 said:
Remove Bios password please

Expertqatar · May 17, 2023

no display 3 beep
solve me

ThienBui · May 17, 2023

Expertqatar said:
no display 3 beep
solve me

unpas90423.zip

imac-Repairs · Jun 1, 2023

Please clean bios

ThienBui · Jun 1, 2023

Repairs" data-source="post: 353282" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch">
imac-Repairs said:

Please clean bios

Click to expand...

BIOS backup error data

imac-Repairs · Jun 1, 2023

Could the chip be faulty? i've tried with 2 different programmers and both the same.

Imac sometimes boots

imac-Repairs · Jun 1, 2023

Try this now reading correctly

ThienBui · Jun 1, 2023

imac-Repairs said:
Try this now reading correctly

Apple iMac A1419 820-4652 Schematic and Boardview

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