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Repair guides and disassembly information for the 14-inch MacBook Pro released in October of 2021, featuring Apple-designed M1 Pro and M1 Max SoCs. Model A2442.

Why is my MacBook not turning on?

Macbook not turning on. MagSafe charging LED not showing and usb c charging does not seems to work.

Left connected to dock with power delivery via usb c for 24-36 hours and when I came back it doesn't want to turn on

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Are you sure the charger and USB-C cable are working? Is the MagSafe connector contacts clean and the MagSafe cable is not damaged?

What is the make and model of the charger?

And lastly can you plug a USB-C power meter in line with the charger so we can see the voltages.

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@danj

1) The USB C charger is working as it charges my samsung s24u ultra.

2) The MagSafe cable looks clean and the contacts don't seem to be damaged.

3) The charger is the NOVOO USB-C Charger 100W

4) I have not currently got a USB-C power meter, I will have a look at getting one. Is there a particular model you suggest or is any fine?

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@muhaimeenali - See if you can snag one of these UMLIFE 2PCS 360W USB C Tester Power Meter

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@danj

Thanks, I'll let you know the results as soon as I get my hands on it

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@danj

Hi, got the results,

Top left usbc port:

5.08975V

0.01200A

0.06118W

Bottom left usb c port:

5.09750V

0.01650A

0.08411W

Right Usb c port-

no results, was just off so I assume no power

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Just give it a try, unplug all accessories and hold the power button for 10 seconds. Then, connect the MagSafe or USB-C charger directly to power (avoid dock). Try SMC reset: press Shift + Control + Option + Power for 10 seconds. Wait a minute, reconnect the charger, and attempt to power on again.

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@rashmimand95190

That did not work, I will be proceeding to remove the right usb c port cable from the logic board and see if that fixes it

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@muhaimeenali - If you are trying to see if the port is the problem (following my last comment above) then yes you'll want to reconnect the battery with the port in question disconnected from the logic board. Placing the system on its side like an open book so the bottom is not pressed on. See if the system comes alive. If not you have a deeper logic board issue. If it does then replacing the port should get you going! Good luck.

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Hi @danj

The usb c port was not the issue so must be a deeper issue in the logic board like you said. I will be taking it to a reputable Mac repair shop to get it fixed.

However, I'd like to ask how much would be a rough estimate on the maximum cost of this repair.

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@muhaimeenali - Hard to tell… it depends on what is damaged. It could be a simple capacitor or an IC is blown. If the PCB is damaged from the failure (it might be on the backside which is hidden) that could get expensive or the tech is a parts swapper not fixing boards.

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