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0 Answers

iMac 2011 only #4 diagnostic LED is lit problem after upgrade

unanswered iMac Intel 21.5" EMC 2428 Mid 2011 0 Answers

DanJ 499k

Commented

3 hours agoApr 4, 2026

commented 3 hours agoApr 4, 2026 by DanJ

1 Answer

Harddrive upgrade > no harddrive nor cables in my iMac?

accepted iMac Intel 21.5" Retina 4K Display 2019 1 Answer

DanJ 499k

Commented

Mar 25, 2026

commented Mar 25, 2026 by DanJ

1 Answer

Upgrade from Dual-Core to Quad-Core

iMac Intel 21.5" EMC 2308 Late 2009 1 Answer

DanJ 499k

Answered

Mar 24, 2026

answered Mar 24, 2026 by DanJ

0 Answers

2017 iMac 21.5 will not power on, led's 1 and 3 illuminated

unanswered iMac Intel 21.5" EMC 3068 0 Answers

DanJ 499k

Edited

Feb 6, 2026

edited Feb 6, 2026 by DanJ

1 Answer

2012, 21.5 Mac will not log into Apple account

iMac Intel 21.5" EMC 2544 Late 2012 1 Answer

DanJ 499k

Edited

Jan 25, 2026

edited Jan 25, 2026 by DanJ

2 Answers

After nearly 15 years the HDDhad enough.

iMac Intel 21.5" EMC 2428 Mid 2011 2 Answers

DanJ 499k

Answered

Jan 24, 2026

answered Jan 24, 2026 by DanJ

iMac Intel 21.5" EMC 2638 & EMC 2742 Late 2013

0 Answers

Blade SSD Repair in Fusion Drive and data recovery from HD

unanswered iMac Intel 21.5" EMC 2638 & EMC 2742 Late 2013 0 Answers

Charles Bunnell

Asked

Jan 23, 2026

asked Jan 23, 2026 by Charles Bunnell

2 Answers

iMac usb ports acting really weird?

iMac Intel 21.5" EMC 2889 Late 2015 2 Answers

DanJ 499k

Answer edited

Nov 4, 2025

answer edited Nov 4, 2025 by DanJ

1 Answer

Wanting to upgrade RAM & Drive

accepted iMac Intel 21.5" Retina 4K Display 2019 1 Answer

Rashmi Kandhil

Commented

Nov 4, 2025

commented Nov 4, 2025 by Rashmi Kandhil

2 Answers

Can I swap the logic board from a 2019 21.5" 4k iMac with a 2017 4k?

iMac Intel 21.5" Retina 4K Display 2019 2 Answers

DanJ 499k

Commented

Oct 17, 2025

commented Oct 17, 2025 by DanJ

1 Answer

Is my 205 watts power supply big enough

iMac Intel 21.5" EMC 2428 Mid 2011 1 Answer

DanJ 499k

Answered

Oct 15, 2025

answered Oct 15, 2025 by DanJ

1 Answer

Every task running slow

iMac Intel 21.5" Retina 4K Display 2017 1 Answer

DanJ 499k

Commented

Oct 14, 2025

commented Oct 14, 2025 by DanJ

0 Answers

Black screen, led 4th and 5th off

unanswered iMac Intel 21.5" EMC 3068 0 Answers

Valenz777

Asked

Sep 21, 2025

asked Sep 21, 2025 by Valenz777

0 Answers

Insttalling iFxit power supply, I pulled apart display data connector

unanswered iMac Intel 21.5" EMC 2308 Late 2009 0 Answers

oldturkey03 848.3k

Commented

Sep 15, 2025

commented Sep 15, 2025 by oldturkey03

2 Answers

iMac no longer boots after security update- Does not see internal SSD

accepted iMac Intel 21.5" Retina 4K Display 2017 2 Answers

DanJ 499k

Commented

Oct 1, 2025

commented Oct 1, 2025 by DanJ

1 Answer

Power Issues; Troubleshooting Power Board

iMac Intel 21.5" Retina 4K Display 2015 1 Answer

Skyla

Commented

Sep 5, 2025

commented Sep 5, 2025 by Skyla

1 Answer

Cloned Startup External SSD only boots if Option held at power up

accepted iMac Intel 21.5" EMC 3068 1 Answer

mike 31.2k

Commented

Sep 26, 2025

commented Sep 26, 2025 by mike

0 Answers

During boot mac shows halfway on loading then does not progress

unanswered iMac Intel 21.5" EMC 2389 Mid 2010 0 Answers

mike 31.2k

Commented

Aug 16, 2025

commented Aug 16, 2025 by mike

1 Answer

Very slow writing speed

iMac Intel 21.5" Retina 4K Display 2017 1 Answer

DanJ 499k

Answer edited

Aug 8, 2025

answer edited Aug 8, 2025 by DanJ

1 Answer

iMac 2011 21.5 inch only 1st led ON

iMac Intel 21.5" EMC 2428 Mid 2011 1 Answer

DanJ 499k

Answered

Jul 8, 2025

answered Jul 8, 2025 by DanJ