Where are the test pins and what are the functions?

Question 1

1 crwdns2930801:0crwdne2930801:0

Where are the test pins and what are the functions?

iMac Intel 21.5" EMC 2544 crwdns2933313:01crwdne2933313:0

mayer 685,5crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

N'w 12, 2016

commented N'w 12, 2016 crwdns2933505:0crwdne2933505:0 mayer

Question 2

1 crwdns2930801:0crwdne2930801:0

SSD upgrade iMac 21.5

iMac Intel 21.5" EMC 2544 crwdns2933313:01crwdne2933313:0

TIMSIT 547

crwdns2931217:0crwdne2931217:0

Ndz 3, 2016

answered Ndz 3, 2016 crwdns2933505:0crwdne2933505:0 TIMSIT

Question 3

1 crwdns2930801:0crwdne2930801:0

Power switch cable damaged

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933313:01crwdne2933313:0

mayer 685,5crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Mha 8, 2016

commented Mha 8, 2016 crwdns2933505:0crwdne2933505:0 mayer

Question 4

1 crwdns2930801:0crwdne2930801:0

HD is having problems

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933313:01crwdne2933313:0

Gabe 13

crwdns2931741:0crwdne2931741:0

Maw 25, 2015

commented Maw 25, 2015 crwdns2933505:0crwdne2933505:0 Gabe

Question 5

1 crwdns2930801:0crwdne2930801:0

dual HDD for fusion drive with SSD?

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933313:01crwdne2933313:0

oldturkey03 786,6crwdns2936485:0crwdne2936485:0

crwdns2942989:0crwdne2942989:0

Kho 12, 2014

answer accepted Kho 12, 2014 crwdns2933505:0crwdne2933505:0 oldturkey03

Question 6

0 crwdns2873741:0crwdne2873741:0

Is there a way to trick the board to see a screen temp sensor?

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2544 crwdns2933315:00crwdne2933315:0

MineZebra 55

crwdns2931741:0crwdne2931741:0

Ndz 24, 2023

commented Ndz 24, 2023 crwdns2933505:0crwdne2933505:0 MineZebra

Question 7

0 crwdns2873741:0crwdne2873741:0

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

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2544 crwdns2933315:00crwdne2933315:0

Lesli KeepSimple 25

crwdns2931741:0crwdne2931741:0

N'w 4, 2016

commented N'w 4, 2016 crwdns2933505:0crwdne2933505:0 Lesli KeepSimple

Question 8

8 crwdns2873741:0crwdne2873741:0

Blank screen , no video a1418

iMac Intel 21.5" EMC 2544 crwdns2933315:08crwdne2933315:0

Chris kupke

crwdns2931217:0crwdne2931217:0

Yan 18, 2021

answered Yan 18, 2021 crwdns2933505:0crwdne2933505:0 Chris kupke

Question 9

4 crwdns2873741:0crwdne2873741:0

CPU Upgrade to i7-3770 or i7-3770S

iMac Intel 21.5" EMC 2544 crwdns2933315:04crwdne2933315:0

Guy Hemmings 83

crwdns2931741:0crwdne2931741:0

Maw 19, 2021

commented Maw 19, 2021 crwdns2933505:0crwdne2933505:0 Guy Hemmings

Question 10

4 crwdns2873741:0crwdne2873741:0

little spider behind my screen

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933315:04crwdne2933315:0

Ray C

crwdns2931217:0crwdne2931217:0

Nhl 17, 2018

answered Nhl 17, 2018 crwdns2933505:0crwdne2933505:0 Ray C

Question 11

3 crwdns2873741:0crwdne2873741:0

iMac Black Screen; LED 1&2 lit, Fan spinning

iMac Intel 21.5" EMC 2544 crwdns2933315:03crwdne2933315:0

Basti 155

crwdns2882504:0crwdne2882504:0

Kul 10, 2018

comment deleted Kul 10, 2018 crwdns2933505:0crwdne2933505:0 Basti

Question 12

2 crwdns2873741:0crwdne2873741:0

Help with slow response time and GPU issue

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Demha Nawzaer 11

crwdns2942989:0crwdne2942989:0

Sun 27, 2024

answer accepted Sun 27, 2024 crwdns2933505:0crwdne2933505:0 Demha Nawzaer

Question 13

2 crwdns2873741:0crwdne2873741:0

Is it possible to use 32GB of RAM?

iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Dan 480,5crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Kul 15, 2023

commented Kul 15, 2023 crwdns2933505:0crwdne2933505:0 Dan

Question 14

2 crwdns2873741:0crwdne2873741:0

fusion drive iMac late 2012 13,1

iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

francis

crwdns2931741:0crwdne2931741:0

Maw 29, 2022

commented Maw 29, 2022 crwdns2933505:0crwdne2933505:0 francis

Question 15

2 crwdns2873741:0crwdne2873741:0

What is chin strap and it's purpose?

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Nick 89,2crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Dzi 13, 2022

commented Dzi 13, 2022 crwdns2933505:0crwdne2933505:0 Nick

Question 16

2 crwdns2873741:0crwdne2873741:0

Can I add a blade SSD to my system?

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

weebeast

crwdns2931217:0crwdne2931217:0

Sun 18, 2022

answered Sun 18, 2022 crwdns2933505:0crwdne2933505:0 weebeast

Question 17

2 crwdns2873741:0crwdne2873741:0

How do I Remove the stand

iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Dan 480,5crwdns2936485:0crwdne2936485:0

crwdns2931217:0crwdne2931217:0

Nhl 15, 2021

answered Nhl 15, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 18

2 crwdns2873741:0crwdne2873741:0

Blank screen after HDD replacement

iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Dan 480,5crwdns2936485:0crwdne2936485:0

crwdns2931733:0crwdne2931733:0

Dzi 26, 2021

answer deleted Dzi 26, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 19

2 crwdns2873741:0crwdne2873741:0

No power on this 2012 21,5" iMac

iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

Dan 480,5crwdns2936485:0crwdne2936485:0

crwdns2931741:0crwdne2931741:0

Yan 26, 2021

commented Yan 26, 2021 crwdns2933505:0crwdne2933505:0 Dan

Question 20

2 crwdns2873741:0crwdne2873741:0

iMac late 2012 low voltage RAM memory and CL number

crwdns2934195:0crwdne2934195:0 iMac Intel 21.5" EMC 2544 crwdns2933315:02crwdne2933315:0

mayer 685,5crwdns2936485:0crwdne2936485:0

crwdns2942989:0crwdne2942989:0

Huk 16, 2020

answer accepted Huk 16, 2020 crwdns2933505:0crwdne2933505:0 mayer

crwdns2944926:0crwdns2944620:0iMac Intel 21.5" EMC 2544crwdne2944620:0crwdnd2944926:04crwdne2944926:0

iMac Intel 21.5" EMC 2544 crwdns2944630:0crwdne2944630:0