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Introdução

This guide is an evolution of an answer which I posted to Can I Mod an early 2009 24" iMac to external monitor?: The question "Can I mod my older iMac to use it as a monitor?" has been asked on iFixit and many other internet forums for over a decade, and it is rarely answered correctly.

This guide is a serious hardware mod. This is not target display mode. This is not a software fix. When this guide is followed, the user will be able to string a video cable between another computer and the iMac and have the iMac behave just like an external monitor.

In summary:

1) Completely teardown the iMac, removing everything.

2) Install a video control board, new inverter, and new power supply for the screen.

3) install new video-in ports on the exterior case.

4) Re-install the screen, reassemble the iMac case.

Prerequisites

iMac Intel 20" EMC 2105 and 2118 Logic Board Replacement

so that the case is empty.

    • Read and follow the iMac Intel 20" EMC 2105 and 2118 Display Replacement guide, and remove your screen completely.

    • Flip the screen over, placing it on a towel to keep it safe. Locate the manufacturer's sticker on the back of the screen, which should contain the screen's Model Number

    • The screen used in this particular iMac 20" A#### EMC#### is an LG-brand model-LM201W01, though yours may be different.

    • Search either AliExpress.com or Ebay.com using the search phrase “Your-Screen-Model-Number Control Board”.

    • If your iMac is a 20", they should be around $30-$40. If 24", $60-$80.

    • Order the video driver board for your screen. It will probably ship from Asia, and take 2-3 weeks to get to you.

    • It probably will not come with a power supply. This is normal. Most video control boards require 12v 5A power supplies. You may have one in your spare electronics bin, so check there before buying one: Old routers, PC laptops, etc may have compatible power supplies.

  1. The Essential Toolkit

    The most helpful tools in our most compact kit.

    Comprar agora

    The Essential Toolkit

    The most helpful tools in our most compact kit.

    Comprar agora
    • placeholder

    • Follow X guide for complete iMac disassembly.

    • Placeholder for info about build

    • conception phase.

    • #show a pic of mine when it was done

    • Insert wisdom here.

Conclusão

To reassemble your device, follow these instructions in reverse order.

Olympia Mac Repair

Membro desde: 07/02/2010

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As my 2009 24” iMac just died (third, and maybe final, drive failure), I am very eager to see this completed.

Can you comment on the differences between available video control boards/ inverters?

Paul K - Responder

It’s over a year since Paul K (above) asked if this page could be completed. I’d also be keen to see it. Any chance?

C Bonney - Responder

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