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Whats wrong with my mac?

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The images are of TG PRO App.

Can you tell me what is wrong and what can be done? there is no Ambient sensor and The “Heatpipe outgoing air” shows N/A intitally when I blow hairdryer on the macbook to wake it up but after some usage it shows with something. Should I be concerned with it? what are normal conditions ? It anything out of order?

My mac has a sleep-wake issue. It doesn’t turn on if I keep it for even about 30 min in sleep of shutdown until I use a hairdryer to heat it for few second.

A little history

spent one month giving it to 3 different service centres spending a lot of money each time, every time they would turn it on but after I get back to my hostel room and sleep at night, the next morning it won't work again.

No one knew what was really happening until Yesterday i bought it back from service centre after leaving it to them for a week to keep it under observation, where it was working but as soon as it came to my room, it refused to turn on again so I decided to use hairdryer on it for some reason and to my surprise it turned on without any issue.

Next morning it wouldn't turn on again so I used the hairdryer again on it and it turned on again. That morning is this morning and it was 5 minutes ago. I'm so happy I finally figured the issue which I couldn't since about a month and running place every other morning.

NOW...HOW DO I SOLVE IT? MY MOM HAS THE SAME LAPTOP OF SAME TIME BUILD COS WE PURCHASED IT TOGETHER AND WE ARE HAVING THE SAME ISSUE AROUND THE SAME TIME DUE TO A SYSTEM UPDATE.

Apple released a supplemental update of 1 Gb saying there was a glitch in some Mohave updates released a few days ago that was giving it a sleep-wake issue so I downloaded it as soon as I got my Mac turned on the second time and installed it but it didn't solve it either, so I downgraded to Sierra and it still didn't solve the issue.

Hence, for now, I'm pretty sure it's a temperature/moisture sensor problem caused by a system update released by Mac as my mom is having the same issue after she installed an update that came on her MacBook Air.

I believe I have the same issue as this guy:- https://www.youtube.com/watch?v=IwG3mpMc...

This is the news regarding sleep wake issue & the link to apple website where they released the supplemental: https://www.macrumors.com/2019/08/01/mac...

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I don’t think the issue is your OS! If your system is acting exactly like the persons you linked to In YouTube.

I do think you have a hardware issue as applying heat from a hair dryer is telling me you have a bad tantalum capacitor on your logic board. What the heat does is we invigorate it enough to work.

You talk about visiting a few repair shops. What did they say they did? Clearly they didn’t diagnose the issue I hope you can get your money back!

OK lets move on to your TG Pro question. Well thats clearly a hardware issue within the thermal sensor or its lines to the SMC chip which it communicates with.

Did you get your system wet at some point or spill something into the keyboard or trackpad?

Where are you hosteling? Is the environment damp or dry?

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they say they cleaned it.

TG Pro also doesn't show any ambient sensor but the screen dims n low light and brightens up in bright light environment (so i guess the ambient sensor works) ..is that something?

No, I didn't get the system wet but my room is cooler and damper than outside

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The word 'Ambient' is used in different contexts here ;-} And uses very different circuits.

SMC - System Management Computer, is the computer within the computer!

It gets quite a lot of inputs in this case the heat sink thermal sensor connection or the sensor its self has failed.

But that's likely a secondary issue. Your primary issue is the failure of the system to turn on without heating with your hair dryer.

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There helpful.. So any feseable solution except to replace the whole logic board?

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Finding someone with better skills who can diagnose the logic board would be the cheaper solution. As I don't know where you are I can't aim you to any one. As you appear to be on the move I think you'll need to wait until you get more grounded.

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saurabh 将永远感激不已
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