padlock icon unlock procedure needed

Question 1

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crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

izuFix

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Sun 22, 2025

commented Sun 22, 2025 crwdns2933505:0crwdne2933505:0 izuFix

Question 2

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iMac ir board Pinout

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Justin Case 11

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Mha 3, 2024

asked Mha 3, 2024 crwdns2933505:0crwdne2933505:0 Justin Case

Question 3

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How do I install the OS on to the drive

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

huedrant 23

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Kul 29, 2024

commented Kul 29, 2024 crwdns2933505:0crwdne2933505:0 huedrant

Question 4

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Connect HDMI Driver Board in A1311 iMac 2011 with internal PSU + Audio

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

huedrant 23

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Kul 29, 2024

asked Kul 29, 2024 crwdns2933505:0crwdne2933505:0 huedrant

Question 5

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iMac is stuck on blank grey background

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Rocco 13

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Sun 11, 2023

edited by author Sun 11, 2023 crwdns2933505:0crwdne2933505:0 Rocco

Question 6

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CD/DVD Drive not seen by Finder

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Dan 490crwdns2936485:0crwdne2936485:0

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Mha 27, 2022

crwdns2931431:0crwdne2931431:0 Mha 27, 2022 crwdns2933505:0crwdne2933505:0 Dan

Question 7

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DVD won't mount onto desktop

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Walter Baker

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Mha 27, 2022

commented Mha 27, 2022 crwdns2933505:0crwdne2933505:0 Walter Baker

Question 8

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Airport card upgrade possible on my iMac to support handoff?!

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Blxthe

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Ndz 14, 2021

edited by author Ndz 14, 2021 crwdns2933505:0crwdne2933505:0 Blxthe

Question 9

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Is the Power supply powerful enough for GTX 770M

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

BTW TECH 11

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Kul 1, 2021

asked Kul 1, 2021 crwdns2933505:0crwdne2933505:0 BTW TECH

Question 10

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Can't perform PR RAM reset to bypass firmware password

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Fixandinstall 234

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Huk 19, 2020

asked Huk 19, 2020 crwdns2933505:0crwdne2933505:0 Fixandinstall

Question 11

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Did I kill my iMac

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Will

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Nhl 7, 2020

commented Nhl 7, 2020 crwdns2933505:0crwdne2933505:0 Will

Question 12

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Documents folder keeps disappearing from Finder

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

amatsuda 477

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Ndz 20, 2020

edited by author Ndz 20, 2020 crwdns2933505:0crwdne2933505:0 amatsuda

Question 13

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Optical drive IF173-066-1 makes eject sound every 75s when sleeping

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

dlvalente

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Mha 29, 2020

commented Mha 29, 2020 crwdns2933505:0crwdne2933505:0 dlvalente

Question 14

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Logic Board connector J601 MOLEX equivalent

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Pedro Cardoso 55

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Mha 25, 2020

commented Mha 25, 2020 crwdns2933505:0crwdne2933505:0 Pedro Cardoso

Question 15

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iMac 21.5 mid 2011 ssd/ram upgrade

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Dan 490crwdns2936485:0crwdne2936485:0

crwdns2931735:0crwdne2931735:0

Mha 9, 2020

crwdns2931431:0crwdne2931431:0 Mha 9, 2020 crwdns2933505:0crwdne2933505:0 Dan

Question 16

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The internal speaker option has disappeared in output option

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Jurgen 663

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Maw 8, 2020

asked Maw 8, 2020 crwdns2933505:0crwdne2933505:0 Jurgen

Question 17

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USB, Bluetooth and Isight not working

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

garfolino

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Maw 4, 2020

asked Maw 4, 2020 crwdns2933505:0crwdne2933505:0 garfolino

Question 18

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internal drive disk full error

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Angus Brook

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Mud 25, 2020

asked Mud 25, 2020 crwdns2933505:0crwdne2933505:0 Angus Brook

Question 19

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iMac Intel 21.5" and 27" (Mid 2011) SSD Upgrade Bundle

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Peter Worrallo

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Dzi 26, 2020

asked Dzi 26, 2020 crwdns2933505:0crwdne2933505:0 Peter Worrallo

Question 20

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Screen turns on for a few seconds and then shuts off

crwdns2934197:0crwdne2934197:0 iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2933315:00crwdne2933315:0

Jeremy A Wenner

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Yan 10, 2020

asked Yan 10, 2020 crwdns2933505:0crwdne2933505:0 Jeremy A Wenner

crwdns2944620:0iMac Intel 21.5" EMC 2428 Mid 2011crwdne2944620:0

iMac Intel 21.5" EMC 2428 Mid 2011 crwdns2944632:0crwdne2944632:0