Broke vertical sync cable on reinstall... possible fix?

Question 1

9 crwdns2873741:0crwdne2873741:0

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:09crwdne2933315:0

Anderson Pereira Colvero

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Kul 17, 2025

answered Kul 17, 2025 crwdns2933505:0crwdne2933505:0 Anderson Pereira Colvero

Question 2

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What is expected life of the PRAM battery? Is it user replaceable?

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:06crwdne2933315:0

sigma male

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N'w 28, 2024

commented N'w 28, 2024 crwdns2933505:0crwdne2933505:0 sigma male

Question 3

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Can I convert this fabulous looking machine into a monitor?

iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Dan 490,1crwdns2936485:0crwdne2936485:0

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Huk 25, 2024

answered Huk 25, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 4

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Problem with power button, sometimes it will not start the system

iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Dan 490,1crwdns2936485:0crwdne2936485:0

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Huk 1, 2024

answered Huk 1, 2024 crwdns2933505:0crwdne2933505:0 Dan

Question 5

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What does the backlight inverter board do? Cable missing, still works

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Colonel Task 26

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Mha 29, 2024

answer accepted Mha 29, 2024 crwdns2933505:0crwdne2933505:0 Colonel Task

Question 6

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iMac wont start, only diagnostic led 1 on

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Dogtooth

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Mha 20, 2024

commented Mha 20, 2024 crwdns2933505:0crwdne2933505:0 Dogtooth

Question 7

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Can I upgrade my late 2009 27inch iMac so I can keep using it?

iMac Intel 27" EMC 2309 & 2374 crwdns2933315:02crwdne2933315:0

VauWeh 253,6crwdns2936485:0crwdne2936485:0

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Mha 20, 2024

commented Mha 20, 2024 crwdns2933505:0crwdne2933505:0 VauWeh

Question 8

13 crwdns2873741:0crwdne2873741:0

CPU Fan runs at full speed.

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:013crwdne2933315:0

jummeumulig

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Kul 19, 2024

commented Kul 19, 2024 crwdns2933505:0crwdne2933505:0 jummeumulig

Question 9

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Can I reuse old iMac speakers?

iMac Intel 27" EMC 2309 & 2374 crwdns2933315:02crwdne2933315:0

Mike Doodson

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Yan 22, 2024

answered Yan 22, 2024 crwdns2933505:0crwdne2933505:0 Mike Doodson

Question 10

1 crwdns2930801:0crwdne2930801:0

Why does my internet connection repeatably drop out?

iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

bill 5,5crwdns2936485:0crwdne2936485:0

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Sun 14, 2024

answered Sun 14, 2024 crwdns2933505:0crwdne2933505:0 bill

Question 11

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iMac A1312 BLACK SCREEN

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:04crwdne2933315:0

Jud Personal

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N'w 5, 2023

commented N'w 5, 2023 crwdns2933505:0crwdne2933505:0 Jud Personal

Question 12

5 crwdns2873741:0crwdne2873741:0

Late 2009 iMac - LCD backlight issue (intermittent)

iMac Intel 27" EMC 2309 & 2374 crwdns2933315:05crwdne2933315:0

Oliver Holmgren 61

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Huk 24, 2023

commented Huk 24, 2023 crwdns2933505:0crwdne2933505:0 Oliver Holmgren

Question 13

9 crwdns2873741:0crwdne2873741:0

Why does my iMac shutdown halfway through loading on startup?

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:09crwdne2933315:0

OverKnight 25

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Huk 16, 2023

answer edited Huk 16, 2023 crwdns2933505:0crwdne2933505:0 OverKnight

Question 14

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cpu stuck at 1.20ghz

crwdns2934197:0crwdne2934197:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:00crwdne2933315:0

9epik

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Huk 15, 2023

edited by author Huk 15, 2023 crwdns2933505:0crwdne2933505:0 9epik

Question 15

2 crwdns2873741:0crwdne2873741:0

Vertical lines on screen (moving "noise" lines)

iMac Intel 27" EMC 2309 & 2374 crwdns2933315:02crwdne2933315:0

user100299334

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Nhl 25, 2023

commented Nhl 25, 2023 crwdns2933505:0crwdne2933505:0 user100299334

Question 16

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Where are the diagnostic LED’s located?

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:02crwdne2933315:0

Alan

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Nhl 2, 2023

answer accepted Nhl 2, 2023 crwdns2933505:0crwdne2933505:0 Alan

Question 17

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Need help installing an OS onto iMac

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Chris Green 37,7crwdns2936485:0crwdne2936485:0

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Ndz 10, 2023

commented Ndz 10, 2023 crwdns2933505:0crwdne2933505:0 Chris Green

Question 18

1 crwdns2930801:0crwdne2930801:0

Backlight shutting down randomly after gpu replacement

iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

Valentino 23

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Ndz 8, 2023

commented Ndz 8, 2023 crwdns2933505:0crwdne2933505:0 Valentino

Question 19

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After normal operation it boots up on a white screen

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933315:03crwdne2933315:0

Ansh

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Ndz 8, 2023

answered Ndz 8, 2023 crwdns2933505:0crwdne2933505:0 Ansh

Question 20

1 crwdns2930801:0crwdne2930801:0

iMac turns on, black screen. Fan turns on and beeps

crwdns2934195:0crwdne2934195:0 iMac Intel 27" EMC 2309 & 2374 crwdns2933313:01crwdne2933313:0

BasicJack 65

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Ndz 1, 2023

commented Ndz 1, 2023 crwdns2933505:0crwdne2933505:0 BasicJack

crwdns2944620:0iMac Intel 27" EMC 2309 & 2374crwdne2944620:0

iMac Intel 27" EMC 2309 & 2374 crwdns2934277:0crwdne2934277:0