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MacBook Pro A1211 power light not lighting up.

Hi guys,

I have a Macbook Pro(Apple A1211) and when i plug the charger into it the green light doesn't turn on. I have tried to disconnect and plug the CMOS battery back in, have tried to take the left I/O board out and put it back in and I have also tried to plug the grey and black power cable back in but it still doesn't do anything. I don't know what is going on with it. Please help

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Update (04/10/23)

Hi guys i now have another problem.

The laptop turns on, but there is not boot chime or display and the fans are running but the screen is completely black. I have tried to disconnect the display and plug it back in but it did not do anything. This is a new display and it did say on the description that it was working but it does not show anything on the display and i don't know why. I have also tried resetting the NVRAM or PRAM but it still doesnt do anything. Please help

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Does It have a battery?

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Could you disconnect the display and plug in an external monitor to see if you get video output?

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I have tried to connect to my monitor with a DVI to HDMI cable and it still says no signal and i don't know what to do :(

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@maxplayz - Not good 😖

This sounds like a deeper issue in the main logic board. Likely a blown GPU which was common in this series.

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I just bought a new logic board though!

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@maxplayz - This series logic boards had there fair share of issues! The board you bought likely used with little or no testing.

This system will require a lot of TLC to make workable with the supported OS9 or early OS-X it could run. As a working collectible it has more value.

Trying to make it more than it was is both a waste of time and money.

The world has moved on and any data on this system is likely a bit to exposed on the internet.

Think it this way seeing an old Ford Model T in a parade makes sense, seeing someone driving on the Autobahn as their mode of transit is foolhardy!

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The MacBook Pro 15" (Model A1211) Left I/O Board may need replacing.

What is your aim here? The OS’s this system uses as well as Applications are quite limited.

Replace an I/O board compatible with the model A1211 MacBook Pro 15" laptop. Fix problems with charging, audio, and data connections. Includes the MagSafe power, USB, and audio ports. Includes slots for internal Airport wireless card and PC Card ExpressCards. 이미지

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MacBook Pro 15" (Model A1211) Left I/O Board

$29.99

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I am trying to install an unsupported version of MacOS on it but it keeps coming up with errors when I do it

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@maxplayz - I would focus on the power issue before messing with running a newer OS.

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Max Playz 영원히 감사할 것입니다.
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