iMac 27” 2011 led 1 on, goes off by pushing the power button

Question 1

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iMac 27” 2011 led 1 on, goes off by pushing the power button

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Massimo Oriano 45

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Ndz 8, 2023

edited by author Ndz 8, 2023 crwdns2933505:0crwdne2933505:0 Massimo Oriano

Question 2

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Why is my iMac booting without HD and CD drive!

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Ryan 87

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Mha 3, 2023

asked Mha 3, 2023 crwdns2933505:0crwdne2933505:0 Ryan

Question 3

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Info for 2011 iMac model A1312. Stalls on bootup. What parts to get

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Huk 26, 2022

commented Huk 26, 2022 crwdns2933505:0crwdne2933505:0 Dan

Question 4

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GPU update iMac 2011 for Mojave

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Romeo

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Nhl 21, 2022

asked Nhl 21, 2022 crwdns2933505:0crwdne2933505:0 Romeo

Question 5

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I need help with it turning on

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Sahan Mallampati

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Kho 9, 2022

asked Kho 9, 2022 crwdns2933505:0crwdne2933505:0 Sahan Mallampati

Question 6

0 crwdns2873741:0crwdne2873741:0

No video after GPU replacement

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Ben Capehart 7.2crwdns2936485:0crwdne2936485:0

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Dzi 26, 2022

commented Dzi 26, 2022 crwdns2933505:0crwdne2933505:0 Ben Capehart

Question 7

0 crwdns2873741:0crwdne2873741:0

Factory reset, iMac 27” mid 2011

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Buch

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Ndz 24, 2021

edited by author Ndz 24, 2021 crwdns2933505:0crwdne2933505:0 Buch

Question 8

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Problems booting, discovered damaged ethernet port.

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Mha 21, 2021

commented Mha 21, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 9

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iMac Not turning on, LED 1 present. Changed so many components

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Shawn Kay

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Maw 13, 2021

commented Maw 13, 2021 crwdns2933505:0crwdne2933505:0 Shawn Kay

Question 10

0 crwdns2873741:0crwdne2873741:0

iMac not turning on. Can it be DC cable harness issue? LED 1 present

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Shawn Kay

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Maw 10, 2021

asked Maw 10, 2021 crwdns2933505:0crwdne2933505:0 Shawn Kay

Question 11

0 crwdns2873741:0crwdne2873741:0

Stuck in boot loop after trying to update to El Capitan.

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Maw 2, 2021

commented Maw 2, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 12

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iMac often crashes, sometimes it doesn't make it to the desktop

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Dzi 22, 2021

commented Dzi 22, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 13

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I need a replacement connector from my display to my inverter board

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Dzi 8, 2021

commented Dzi 8, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 14

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Replaced power supply and logic board - still only diagnostic LED #1?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Kul 22, 2021

commented Kul 22, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 15

0 crwdns2873741:0crwdne2873741:0

iMac will not power on - fixed

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

T-rex

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Yan 3, 2021

asked Yan 3, 2021 crwdns2933505:0crwdne2933505:0 T-rex

Question 16

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Upgrading a mid 2011 27” iMac to run macOS Big Sur

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

nandor690 553

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Sun 26, 2021

asked Sun 26, 2021 crwdns2933505:0crwdne2933505:0 nandor690

Question 17

0 crwdns2873741:0crwdne2873741:0

iMac booting on primary monitor, but goes blank

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Dan 479.4crwdns2936485:0crwdne2936485:0

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Sun 17, 2021

commented Sun 17, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 18

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Screen starts with low brightness and then turns off

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Mortimer

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N'w 9, 2020

asked N'w 9, 2020 crwdns2933505:0crwdne2933505:0 Mortimer

Question 19

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Why does my iMac keep restarting?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

Luca Rimediotti 11

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N'w 8, 2020

asked N'w 8, 2020 crwdns2933505:0crwdne2933505:0 Luca Rimediotti

Question 20

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Gray screen on boot originally. now its booting but no display at all.

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2429 crwdns2933315:00crwdne2933315:0

luke

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Huk 24, 2020

asked Huk 24, 2020 crwdns2933505:0crwdne2933505:0 luke

crwdns2944620:0iMac Intel 27" EMC 2429crwdne2944620:0

iMac Intel 27" EMC 2429 crwdns2944632:0crwdne2944632:0