My MacBook Pro will only start after a SMC reset.

Question

MacBook Pro 13" Unibody Mid 2012

모델 A1278, 2012년 6월 출시. Turbo Boost가있는 Intel 프로세서, 최대 512 MB DDR5 비디오 RAM

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Peter Scholten @petersteb

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게시일: 2016년 1월 16일

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My MacBook Pro will only start after a SMC reset.

Hi,

Can anybody help me?

My MBP will only start after a smc restart, i can restart him when he is on but when i turn him off he wil not start again. I've tryed everything but nothing works.

NVRAM-reset, hardware test a complete clean install. System check.

Battery looks fine:

Informatie batterij:

Serienummer: W031642YHD3LC
Fabrikant: SMP
Apparaatnaam: bq20z451
Pack Lot Code: 0
PCB Lot Code: 0
Firmwareversie: 201
Hardwarerevisie: 000a
Celrevisie: 165

Ladingsinformatie:

Resterende lading (mAh): 5144
Volledig opgeladen: Ja
Bezig met opladen: Nee
Volledige laadcapaciteit (mAh): 5144

Statusinformatie:

Aantal cycli: 107
Conditie: Normaal

Batterij geïnstalleerd: Ja

Ampèrage (mA): 0

Voltage (mV): 125

English:

Battery Information:

Serial Number: W031642YHD3LC
Manufacturer: SMP
Device Name: bq20z451
Pack Lot Code: 0
PCB Lot Code: 0
Firmware Version: 201
Hardware Revisio: 000a
Cell Revision: 165

Charge Information:

Charge Remaining (may): 5144
Fully Charged: Yes
Charging: No
Full Charge Capacity (may): 5144

Health Information:

Cycle Count: 107
Condition: Normal

Battery Installed: Yes

Amperage (mA): 0

Voltage (mV): 125

Nothing got wet, it started after i replaced my ssd, he works perfect just won't start after i shut him off. Restart also works.

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예 아니요

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Just looking at the battery info you have provided here its not the battery.

Dan 의 2016년 1월 16일

Did you get your system wet at some point or do something else to it that might be a factor? How about checking the thermal sensors to see if the system is over heating. Download this app: TG Pro paste a screenshot of the output for us to see in your question.

Dan 의 2016년 1월 16일

Who's SSD did you put in (Make & Model)? And did you add it Vs swapping out the HD?

Dan 의 2016년 1월 16일

I put in a Samsung 850 Pro 512GB but first cloned him with Superduper! My old SSD was a Kingston HyperX 240 GB

Peter Scholten 의 2016년 1월 16일

helo, I have the exact same problem with a Macbook Air 2015

did you find a solution?

thank you

Matthias

matthias 의 2020년 6월 19일

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선택된 답변

Dan @danj

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게시일: 2016년 1월 16일

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I would try reformatting the SSD and during the OS install use the migration assistant services to copy over the files from your old drive. Cloning software doesn't do to well on the newer OS-X's. I suspect you'll find a clean OS and a the account & file migration will set things right here.

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예 아니요

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댓글 8개:

After i got the problem i formatted the disk wit a USB install disk. So now i have a clean system but problem stays.

Peter Scholten 의 2016년 1월 16일

OK, Lets try taking the SSD out and connect it via a SATA to USB adapter is the system stable now?

Dan 의 2016년 1월 17일

First i have to get a SATA to USB adapter, will do that tommorow.

Peter Scholten 의 2016년 1월 17일

System runs stable but only starts as i said before

Peter Scholten 의 2016년 1월 19일

I suspect you have a logic board problem here as you've removed the SSD & the SATA cable from the equation. This will require some effort to isolated out what part of the power circuit is failing. Without circuit diagrams and a good digital multimeter we're just shooting in the dark. I think it's time for you to visit an Apple Store to see what they can do for you.

Dan 의 2016년 1월 19일

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댓글 달기

Just looking at the battery info you have provided here its not the battery. — Dan
Did you get your system wet at some point or do something else to it that might be a factor? How about checking the thermal sensors to see if the system is over heating. Download this app: TG Pro paste a screenshot of the output for us to see in your question. — Dan
Who's SSD did you put in (Make & Model)? And did you add it Vs swapping out the HD? — Dan
I put in a Samsung 850 Pro 512GB but first cloned him with Superduper! My old SSD was a Kingston HyperX 240 GB — Peter Scholten
helo, I have the exact same problem with a Macbook Air 2015

did you find a solution?

thank you

Matthias — matthias
After i got the problem i formatted the disk wit a USB install disk. So now i have a clean system but problem stays. — Peter Scholten
OK, Lets try taking the SSD out and connect it via a SATA to USB adapter is the system stable now? — Dan
First i have to get a SATA to USB adapter, will do that tommorow. — Peter Scholten
I suspect you have a logic board problem here as you've removed the SSD & the SATA cable from the equation. This will require some effort to isolated out what part of the power circuit is failing. Without circuit diagrams and a good digital multimeter we're just shooting in the dark. I think it's time for you to visit an Apple Store to see what they can do for you. — Dan

MacBook Pro 13" Unibody Mid 2012

My MacBook Pro will only start after a SMC reset.

Update (01/16/2016)

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