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Model A1419 / EMC 3070 / Mid 2017 / 3.4, 3.5 or 3.8 GHz Core i5 or 4.2 GHz Core i7 Kaby Lake Processor (ID iMac18,3) / Retina 5K display. Refer to the older iMac Intel 27" Retina 5K Display (Late 2014 & 2015) guides as the system is very similar.

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Will not show anything on display after SSD replaced

I replaced the SSD in this iMac and now it will not show anything. The onboard LEDs 1 and 2 are on but there was no start up sound just the fan ramping up to full blast.

I already replaced the PSU and the motherboard, but it is still showing the same LEDs and no display.

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Did you use the special pizza cutter to take the display off? Could you have damaged the displays cables?

Review our guide here iMac 27" 2017 Display Replacement

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I did not use the pizza cutter tool. And I do not believe the cables were damaged.

I know the display worked after removing it because I was able to replace the HDD first test it out and both the display and replacement HDD worked fine. A day later after replacing the HDD I replaced the SSD too and that is when I had the issues with the iMac not fully turning on. I replaced the PSU and then got the onboard LEDs on. So thinking it was a video card issue I replaced the motherboard. Still having no display and now I do not know what to try.

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@brettdowns36437 - I understand, well I think the display and/or the cable is damaged.

Ive had a few like this and after doing some voltage checks it was a damaged display as you can push the tool in too far.

But if you are so sure, how about removing the SSD to see what happens then.

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@danj I tied with both the drives removed and still doing the same thing. I will order a screen and test it out. Honestly its the last thing I can try. Thank you for your help. Will post an update with the results. in about a week.

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Brett Downs será eternamente grato(a).
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