How can I test the Power Supply (voltage values)?

Question 1

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crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2389 Mid 2010 crwdns2933315:02crwdne2933315:0

guy.koeck

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Nhl 27, 2021

commented Nhl 27, 2021 crwdns2933505:0crwdne2933505:0 guy.koeck

Question 2

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replace the hard drive, how do I connect Hard Drive thermal sensor?

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Matias

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Maw 19, 2024

commented Maw 19, 2024 crwdns2933505:0crwdne2933505:0 Matias

Question 3

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Replacing the LCD cable

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patrisantome

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Mud 21, 2022

commented Mud 21, 2022 crwdns2933505:0crwdne2933505:0 patrisantome

Question 4

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Can I upgrade My CPU to Intel i7?

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PiwiKiwi

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Kul 19, 2025

answered Kul 19, 2025 crwdns2933505:0crwdne2933505:0 PiwiKiwi

Question 5

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Change power switch button? How?

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Yves Dobon

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Huk 8, 2018

commented Huk 8, 2018 crwdns2933505:0crwdne2933505:0 Yves Dobon

Question 6

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Upgrading CPU from i3 3.06 Ghz to i5/i7-S version 82W

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Eduardo Neto

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Mud 14, 2023

commented Mud 14, 2023 crwdns2933505:0crwdne2933505:0 Eduardo Neto

Question 7

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iMac chimes but display won't power?

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Thomas Shelby

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Kho 23, 2018

commented Kho 23, 2018 crwdns2933505:0crwdne2933505:0 Thomas Shelby

Question 8

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My screen does not work after replacing superdrive

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John

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N'w 31, 2015

answered N'w 31, 2015 crwdns2933505:0crwdne2933505:0 John

Question 9

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How to use iMac only with external monitor

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SenileOtaku 13

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Kho 24, 2024

answer edited Kho 24, 2024 crwdns2933505:0crwdne2933505:0 SenileOtaku

Question 10

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After HD changed, fuse (wall) tripped, no internal video, but external

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Cristiano Henrique 25

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Kho 27, 2020

answered Kho 27, 2020 crwdns2933505:0crwdne2933505:0 Cristiano Henrique

Question 11

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Why is my iMac's screen showing weird coloured squares?

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william elbel 13

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Kul 21, 2022

answered Kul 21, 2022 crwdns2933505:0crwdne2933505:0 william elbel

Question 12

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Do all screens on these iMacs turn yellow?

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Alistair Sharland

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N'w 2, 2022

commented N'w 2, 2022 crwdns2933505:0crwdne2933505:0 Alistair Sharland

Question 13

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How to detach LCD thermal sensor cable?

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Dan 490,1crwdns2936485:0crwdne2936485:0

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Nhl 28, 2018

crwdns2931431:0crwdne2931431:0 Nhl 28, 2018 crwdns2933505:0crwdne2933505:0 Dan

Question 14

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GPU failure, can it be saved?

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mayer 688crwdns2936485:0crwdne2936485:0

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Kul 30, 2017

answered Kul 30, 2017 crwdns2933505:0crwdne2933505:0 mayer

Question 15

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No internal lcd video output

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Brian

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Kul 1, 2015

answered Kul 1, 2015 crwdns2933505:0crwdne2933505:0 Brian

Question 16

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Won't start. Only first diagnostic LED.

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thrcharles

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Kho 7, 2020

commented Kho 7, 2020 crwdns2933505:0crwdne2933505:0 thrcharles

Question 17

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iMac pre 2012 Mojave Support

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Denys Zaitsev

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Yan 9, 2024

commented Yan 9, 2024 crwdns2933505:0crwdne2933505:0 Denys Zaitsev

Question 18

7 crwdns2873741:0crwdne2873741:0

Can I upgrade my processor to i3-6320? Can I upgrade other things?

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2389 Mid 2010 crwdns2933315:07crwdne2933315:0

mayer 688crwdns2936485:0crwdne2936485:0

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Sun 23, 2020

commented Sun 23, 2020 crwdns2933505:0crwdne2933505:0 mayer

Question 19

4 crwdns2873741:0crwdne2873741:0

iMac Black Screen, Startup Chime Audible But No Display

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Dmxsuperme

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N'w 4, 2024

commented N'w 4, 2024 crwdns2933505:0crwdne2933505:0 Dmxsuperme

Question 20

4 crwdns2873741:0crwdne2873741:0

iMac screen won't light up after HDD replacement

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2389 Mid 2010 crwdns2933315:04crwdne2933315:0

Dan 490,1crwdns2936485:0crwdne2936485:0

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Huk 2, 2017

commented Huk 2, 2017 crwdns2933505:0crwdne2933505:0 Dan

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Allow Access to Storage Access API