iMac 27 late 2015 wont turn on after nvme and cpu upgrade

Question 1

iMac Intel 27" Retina 5K Display (Late 2014 & 2015)

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iMac 27 late 2015 wont turn on after nvme and cpu upgrade

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Vincenzo

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Yan 3, 2024

commented Yan 3, 2024 crwdns2933505:0crwdne2933505:0 Vincenzo

Question 2

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LEDs 1 + 2 lit, fan spinning but nothing more

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

RMD

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Mha 22, 2023

asked Mha 22, 2023 crwdns2933505:0crwdne2933505:0 RMD

Question 3

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My iMac late 2015 and the blade disc is broken.

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Joakim Eriksson

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Mha 7, 2023

edited by author Mha 7, 2023 crwdns2933505:0crwdne2933505:0 Joakim Eriksson

Question 4

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iMac 2 faulty RAM slots?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

JOAQUIM LOPES RAMALHOSA 23

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Dzi 1, 2023

answer unaccepted Dzi 1, 2023 crwdns2933505:0crwdne2933505:0 JOAQUIM LOPES RAMALHOSA

Question 5

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2015 iMac 27 camera to USB conversion

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Inimeseke

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Kul 17, 2023

asked Kul 17, 2023 crwdns2933505:0crwdne2933505:0 Inimeseke

Question 6

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The screen of my mac is broken 27 in late 2015 A1419 has that on the b

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

angel maldonado

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N'w 26, 2022

asked N'w 26, 2022 crwdns2933505:0crwdne2933505:0 angel maldonado

Question 7

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Looking for power connector pinouts

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

daniel 34.2crwdns2936485:0crwdne2936485:0

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Mha 10, 2022

commented Mha 10, 2022 crwdns2933505:0crwdne2933505:0 daniel

Question 8

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Why did my computer screen go blank and will not restart in either nor

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Amber Taus 5.9crwdns2936485:0crwdne2936485:0

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Maw 23, 2022

reopened Maw 23, 2022 crwdns2933505:0crwdne2933505:0 Amber Taus

Question 9

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LED lights still light up without lvds cable plugged in?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Jordan Shababy 13

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Yan 26, 2022

edited by author Yan 26, 2022 crwdns2933505:0crwdne2933505:0 Jordan Shababy

Question 10

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led 1+2+3 in and the fan is running top but system does not start

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

oldturkey03 781.1crwdns2936485:0crwdne2936485:0

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Huk 2, 2021

crwdns2931431:0crwdne2931431:0 Huk 2, 2021 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 11

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27 5k - EFI Chip faulty - how to solve this?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Dan 478.8crwdns2936485:0crwdne2936485:0

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Nhl 30, 2021

commented Nhl 30, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 12

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HDD Part of Fusion Drive needs replacement (iMac 27" late 2015)

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Sander

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Ndz 29, 2021

edited by author Ndz 29, 2021 crwdns2933505:0crwdne2933505:0 Sander

Question 13

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Why my iMac show up this icon when turn on?

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Matt

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Mha 5, 2021

asked Mha 5, 2021 crwdns2933505:0crwdne2933505:0 Matt

Question 14

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External SSD link width problem

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Old Duner

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Kho 19, 2021

asked Kho 19, 2021 crwdns2933505:0crwdne2933505:0 Old Duner

Question 15

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Why is the fan loud on bootup

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Dan 478.8crwdns2936485:0crwdne2936485:0

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Kho 10, 2021

commented Kho 10, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 16

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RESOLVED : Allingment Why NVME M.2 Not Fit with the Logic Board? HELP

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

balinaturals creative 13

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Kul 13, 2021

edited by author Kul 13, 2021 crwdns2933505:0crwdne2933505:0 balinaturals creative

Question 17

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How do I replace the HDD and reconfigure to a Fusion Drive

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Dan 478.8crwdns2936485:0crwdne2936485:0

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Yan 27, 2021

crwdns2931431:0crwdne2931431:0 Yan 27, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 18

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iMac not turning on

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Gareth Burrows

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Sun 20, 2021

commented Sun 20, 2021 crwdns2933505:0crwdne2933505:0 Gareth Burrows

Question 19

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Late 2015 5K iMac made crackling noises, no longer boots

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Kristen Gismondi 81.6crwdns2936485:0crwdne2936485:0

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Huk 23, 2020

reopened Huk 23, 2020 crwdns2933505:0crwdne2933505:0 Kristen Gismondi

Question 20

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Cannot turn on in certain situations

crwdns2934197:0crwdne2934197:0 iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2933315:00crwdne2933315:0

Keith Thornburn 25

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Nhl 21, 2020

asked Nhl 21, 2020 crwdns2933505:0crwdne2933505:0 Keith Thornburn

crwdns2944620:0iMac Intel 27" Retina 5K Display (Late 2014 & 2015)crwdne2944620:0

iMac Intel 27" Retina 5K Display (Late 2014 & 2015) crwdns2944632:0crwdne2944632:0