해결됨: iMac wont boot after Reseating RAM. - iMac Intel 27" EMC 2429

iMac wont boot after Reseating RAM.

I wanted to add more ram to my 2011 27 inch iMac. I added two more sticks which caused the three beeps. I removed those two and it still did it. After reseating the oem ram, the iMac wont turn on. The only thing that happens is the fan turns on and off again and again and LED 2 turns on and off with the fan. Now, when trying to put the ram back in, only one slot clicks in. I tried all four sticks of ram in another device and they work. Pls help

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게시됨: 2025년 5월 18일

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The slots are a bit tight in this series. Make sure you haven't damaged the slots but using the wrong SO-DIMM's the different versions have different keying. Compare the Apple units against what you bought.

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I’m currently using the original ram sticks

Dhusanth B 의 2025년 5월 18일

@dhusanthb - I understand, but the other SO-DIIMs might have damaged things, which is why I wanted you to compare the two.

DanJ 의 2025년 5월 18일

The RAM sticks work on another device

Dhusanth B 의 2025년 5월 18일

@dhusanthb - I have no doubts! But what IS the other device? Another Mid 2011 27" iMac?

iMac Intel 27" EMC 2429

iMac wont boot after Reseating RAM.

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