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현재 버전 게시자: ursbraem ,

제목:

MacBook Pro 17" shuts down when not on AC

텍스트:

I'm experiencing frequent "Blackouts" with my 2011 17" Macbook pro (El Capitan, latest): when running on battery (only then) the computer (sporadically) '''suddenly goes dark,''' shutting everything down. Reboot is unproblematic. The problem does not occur when connected with the MagSafe Adapter (which, by the way, is always nicely green).
 
Now I discovered that the same thing occurs '''when I press "ctrl alt shift power" '''with the system running (also when connected to AC): it just shuts down.
 
As "ctrl alt shift power" is for SMC reset, does that mean that the SMC is damaged and I have to replace the logic board? Or are there any other ideas?
 
More info:
 
About everything in the macbook has been replaced before: Board on warranty (it used to have those Graphic card problems), RAM (16GB Corsair), SSD, and the battery as well.
 
Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...
Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...
 
Here are the screenshots from coconut battery:
 
[image|805708]
 
[image|805709]

기기:

MacBook Pro 17" Unibody

현황:

open

승인된 답변:

307356

편집자: ursbraem ,

제목:

MacBook Pro 17" shuts down when not on AC

텍스트:

I'm experiencing frequent "Blackouts" with my 2011 17" Macbook pro (El Capitan, latest): when running on battery (only then) the computer (sporadically) '''suddenly goes dark,''' shutting everything down. Reboot is unproblematic. The problem does not occur when connected with the MagSafe Adapter (which, by the way, is always nicely green).
 
Now I discovered that the same thing occurs '''when I press "ctrl alt shift power" '''with the system running (also when connected to AC): it just shuts down.
 
As "ctrl alt shift power" is for SMC reset, does that mean that the SMC is damaged and I have to replace the logic board? Or are there any other ideas?
 
More info:
 
About everything in the macbook has been replaced before: Board on warranty (it used to have those Graphic card problems), RAM (16GB Corsair), SSD, and the battery as well.
 
Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...

Here are the screenshots from coconut battery:

[image|805708]

[image|805709]
Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...

Here are the screenshots from coconut battery:

[image|805708]

[image|805709]

기기:

MacBook Pro 17" Unibody

현황:

open

편집자: ursbraem ,

제목:

MacBook Pro 17" shuts down when pressing ctrl alt shift powernot on AC
MacBook Pro 17" shuts down when pressing ctrl alt shift powernot on AC

텍스트:

I'm experiencing frequent "Blackouts" with my 2011 17" Macbook pro (El Capitan, latest): when running on battery (only then) the computer (sporadically) '''suddenly goes dark,''' shutting everything down. Reboot is unproblematic. The problem does not occur when connected with the MagSafe Adapter (which, by the way, is always nicely green).

Now I discovered that the same thing occurs '''when I press "ctrl alt shift power" '''with the system running (also when connected to AC): it just shuts down.

As  "ctrl alt shift power" is for SMC reset, does that mean that the SMC is damaged and I have to replace the logic board? Or are there any other ideas?

More info:

About everything in the macbook has been replaced before: Board on warranty (it used to have those Graphic card problems), RAM (16GB Corsair), SSD, and the battery as well.

Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...

기기:

MacBook Pro 17" Unibody

현황:

open

원문 게시자: ursbraem ,

제목:

MacBook Pro 17" shuts down when pressing ctrl alt shift power

텍스트:

I'm experiencing frequent "Blackouts" with my 2011 17" Macbook pro (El Capitan, latest): when running on battery (only then) the computer (sporadically) '''suddenly goes dark,''' shutting everything down. Reboot is unproblematic. The problem does not occur when connected with the MagSafe Adapter (which, by the way, is always nicely green).

Now I discovered that the same thing occurs '''when I press "ctrl alt shift power" '''with the system running (also when connected to AC): it just shuts down.

As  "ctrl alt shift power" is for SMC reset, does that mean that the SMC is damaged and I have to replace the logic board? Or are there any other ideas?

More info:

About everything in the macbook has been replaced before: Board on warranty (it used to have those Graphic card problems), RAM (16GB Corsair), SSD, and the battery as well.

Ah, and the (original) Superdrive currently refuses to accept any CD or DVD...

기기:

MacBook Pro 17" Unibody

현황:

open