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Model A1312 / Mid 2010 / 3.2 GHz Core i3 or 2.8 & 3.6 GHz Core i5 or 2.93 GHz Core i7, ID iMac11,3

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Why my iMac doesn't turn on and makes strange alarm sound?

Hello! I had a problem with my logic board. So i took it out and send it to repair (it was not possible to send the whole mac). But when i installed the repaired logic board and turn the mac on it only turns on the fan and it makes an strange alarm sound. Here is a video when i turn it on. It is an especific error of something i did wrong? or it could be a lot of things? I'm doing it myself cause where i'm from we don't have many technical service. Thank Youuuuu

https://youtu.be/5kGoBy5BKwM

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I tried to hang videos on the post, in .mov and mp4, but it doesn't work.

da

Sorry guy Vids are not supported within the IFIXIT medial vault. But you can create a URL link to a file hosting site (i.e. Vimeo, YouTube, and Screencast).

da

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Soluzione Prescelta

From your posted video you appear to have a single tone which then repeats every 5 sec's. This implies there is no RAM installed.

Open the RAM slot on the bottom of the system and make sure the modules are the correct type and installed correctly.

Reference:

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santizecchin sarà eternamente grato.
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