iMac built in display completely black unless booting Mac OS

Question 1

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iMac built in display completely black unless booting Mac OS

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Leo

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Dzi 10, 2024

asked Dzi 10, 2024 crwdns2933505:0crwdne2933505:0 Leo

Question 2

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Does the iMac 2009 21.5" EMC 2308 cpu fan use 4 or 6 pins?

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

oldturkey03 782.4crwdns2936485:0crwdne2936485:0

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N'w 17, 2023

commented N'w 17, 2023 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 3

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How to connect the iMac speaker to another device to test?

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Ramon Ferreira 69

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N'w 16, 2023

asked N'w 16, 2023 crwdns2933505:0crwdne2933505:0 Ramon Ferreira

Question 4

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Flashing folder question mark at startup

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Luca Carletti

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Ndz 16, 2023

asked Ndz 16, 2023 crwdns2933505:0crwdne2933505:0 Luca Carletti

Question 5

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Need help locating where some connections go after replacing batt

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Ndz 2, 2022

commented Ndz 2, 2022 crwdns2933505:0crwdne2933505:0 Dan

Question 6

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Not turning on, only diagnose LED#1 is on

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

rubm

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Yan 2, 2022

asked Yan 2, 2022 crwdns2933505:0crwdne2933505:0 rubm

Question 7

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Crossed circle and terminal

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Kubitronix

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Kul 11, 2021

asked Kul 11, 2021 crwdns2933505:0crwdne2933505:0 Kubitronix

Question 8

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Which are the most sutible boards and cpu processors EMC 2308 21.5?

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Paul Carpenter

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Huk 9, 2020

asked Huk 9, 2020 crwdns2933505:0crwdne2933505:0 Paul Carpenter

Question 9

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sd card and bluethoot card pinout

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Teiva 23

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Ndz 10, 2020

asked Ndz 10, 2020 crwdns2933505:0crwdne2933505:0 Teiva

Question 10

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Turn on / test power supply without logic board connected?

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Superdirk

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Mha 18, 2020

asked Mha 18, 2020 crwdns2933505:0crwdne2933505:0 Superdirk

Question 11

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iMac black screen death after everything. All 3 led diagnostics on

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Kailash Kamble

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Dzi 3, 2020

edited by author Dzi 3, 2020 crwdns2933505:0crwdne2933505:0 Kailash Kamble

Question 12

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Why does my iMac screen turn on sometimes and other times not at all

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Nathan Mccallum

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Yan 3, 2020

commented Yan 3, 2020 crwdns2933505:0crwdne2933505:0 Nathan Mccallum

Question 13

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Logicboard compatibility of A1225 to A1311

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

queezybeats

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N'w 19, 2019

asked N'w 19, 2019 crwdns2933505:0crwdne2933505:0 queezybeats

Question 14

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issue seems to be power related, but only power to the back light

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

mayer 685.3crwdns2936485:0crwdne2936485:0

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Maw 25, 2019

commented Maw 25, 2019 crwdns2933505:0crwdne2933505:0 mayer

Question 15

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Display Wont turn on after reboot

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Zach Vineyard

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Kho 21, 2019

commented Kho 21, 2019 crwdns2933505:0crwdne2933505:0 Zach Vineyard

Question 16

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How to replace the gpu

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

bruno bumbolo 11

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Yan 16, 2019

asked Yan 16, 2019 crwdns2933505:0crwdne2933505:0 bruno bumbolo

Question 17

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Logic board replacement problem

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Gorka Luis Martinez Mezo

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Kul 1, 2018

edited by author Kul 1, 2018 crwdns2933505:0crwdne2933505:0 Gorka Luis Martinez Mezo

Question 18

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Still stuck on a white screen

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Aiden 17.4crwdns2936485:0crwdne2936485:0

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Huk 29, 2017

commented Huk 29, 2017 crwdns2933505:0crwdne2933505:0 Aiden

Question 19

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iMac Late 2009 - Black screen strange noise after startup

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

chilbig

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Huk 3, 2016

commented Huk 3, 2016 crwdns2933505:0crwdne2933505:0 chilbig

Question 20

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How activate onboard gpu when dedicated gpu is broke (and removed)

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2308 crwdns2933315:00crwdne2933315:0

Andreas

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Kul 25, 2016

asked Kul 25, 2016 crwdns2933505:0crwdne2933505:0 Andreas

crwdns2944620:0iMac Intel 21.5" EMC 2308crwdne2944620:0

iMac Intel 21.5" EMC 2308 crwdns2944632:0crwdne2944632:0