21,5" iMac - A1311 (E2428) - Won't boot (Even after new PSU & Logicboard)

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daan93 Author

Level 1

8 points

21,5" iMac - A1311 (E2428) - Won't boot (Even after new PSU & Logicboard)

Hi,

This is my first post. So thank you very much to let me tell my problem.

Problem:

Well the problem i have is the follow. I own an iMac 21,5" from 2011.

It is the A1311 model.

A few months ago, the complete computer wouldn't boot. So last week i decided to fix it my self.

I openend the iMac and i saw #1 LED was on. The others won't turned on.

Then i searched on the internet and i thought 2 things, or a new PSU or a new Logicboard.

I decided to buy both for 90 dollars in total. After installing first the new logicboard: still #1 led on. The others wont.

Then i installed the new PSU and take a gues....still #1 LED on, the others wont.

What the **** is going on with my iMac? Did i do something wrong? Why wouldn't it still not booting?

I hope I will reach someone with the same problem i have. Maybe you could help me.

Thanks allot guys!

iMac Line (2012 and Later)

Posted on Jan 13, 2020 8:28 AM

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Answer 1

rkaufmann87

Level 10

148,440 points

Jan 13, 2020 10:17 AM in response to daan93

Then follow the steps in Mac won't turn on . It's quite old and not supported by Apple any longer so you are pretty much on your own. If you cannot find any solution, I'd suggest cutting your losses on it and abandoning the project.

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Answer 2

den.thed

Level 10

90,850 points

Jan 13, 2020 10:10 AM in response to daan93

If it turned on but wouldn't boot (finish startup), then that sounds more like a Hard Drive problem.

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Answer 3

den.thed

Level 10

90,850 points

Jan 13, 2020 10:42 AM in response to daan93

I have to agree with rkaufmann87, it's to old and I wouldn't waste anymore time or money on it.

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Answer 4

daan93 Author

Level 1

8 points

Jan 13, 2020 10:12 AM in response to den.thed

Hi,

No, the iMac won't boot at all. It doesn't do anything. No fans, no chime...nothing at all.

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Answer 5

HWTech

Level 9

68,528 points

Jan 15, 2020 10:51 AM in response to daan93

LED#2 indicates whether the Logic Board is receiving the proper power. If LED#2 is not lit, then you either have a defective power supply or a defective Logic Board. There is no way to know whether either of your used parts are/were even good. There is also a chance your original power supply caused damage to the replacement Logic Board (it's rare, but it does happen).

Try using a different AC Cord and plugging the AC cord into a different electrical outlet just in case one of these is faulty.

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21,5" iMac - A1311 (E2428) - Won't boot (Even after new PSU & Logicboard)

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