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Versión actual por: Taylor Bratsch ,

Título:

My MacBook Pro has a black screen at startup.

Texto:

-When I turn on my MacBook the Apple startup sound plays, but the screen remains off. However, I found if I close the lid to enter sleep mode, then reopen the laptop, I am able to access the desktop.
+When I turn on my MacBook the Apple startup sound plays, but the screen remains off. However, I found if I close the lid to enter sleep mode, then reopen the laptop, I am able to access the desktop.
-Additionally, I cannot connect to external monitors and, occasionally, a white screen appears prompting a reboot while watching VLC or youtube.
+Additionally, I cannot connect to external monitors and, occasionally, a white screen appears prompting a reboot while watching VLC or youtube.
-Does anyone have an idea which part is causing the issue? I am thinking dedicated GPU or maybe the logic board? I am hoping to fix this at home.
+Does anyone have an idea which part is causing the issue? I am thinking the dedicated GPU or maybe the entire logic board? I am hoping to fix this at home.

Dispositivo:

MacBook Pro 15" Retina Display Mid 2012

Estatus:

open

Respuesta Aceptada:

162490

Editado por: Taylor Bratsch ,

Título:

-Black screen when boot, but with startup sound.
+My MacBook Pro has a black screen at startup.

Texto:

-- 1: When i turn on the apple startup sound plays, but screen stays off.
+When I turn on my MacBook the Apple startup sound plays, but the screen remains off. However, I found if I close the lid to enter sleep mode, then reopen the laptop, I am able to access the desktop.
-Than closing the lid until it went to sleep than reopen the lid, im able to access the desktop.
+Additionally, I cannot connect to external monitors and, occasionally, a white screen appears prompting a reboot while watching VLC or youtube.
-- 2: cant connect to external monitors
-
-- 3: once a while it goes to white screen asking for reboot, when watching VLC or youtube.
-
-anyone have any idea which part has the issue? dedicated GPU or the whole logic board? and can this be fixed at home? my friend fixes old PC motherboards but haven't done mac before.
-
-== Update ==
-
-I took it back to apple, they find it to dusty which stopped one fan and overheats the gpu, but cant find the actual issue. Even though my machine is out of warranty for a year, but they decided to replace it for me to the latest model same spec with no cost, and also willing to upgrade my ram from 8to 16 with additiobal 240aud.
-
-Now I have the top model 2014 model of retina pro. God I love apple...
+Does anyone have an idea which part is causing the issue? I am thinking dedicated GPU or maybe the logic board? I am hoping to fix this at home.

Dispositivo:

MacBook Pro 15" Retina Display Mid 2012

Estatus:

open

Respuesta Aceptada:

162490

Editado por: Billy Huang ,

Título:

Black screen when boot, but with startup sound.

Texto:

- 1: When i turn on the apple startup sound plays, but screen stays off.
Than closing the lid until it went to sleep than reopen the lid, im able to access the desktop.
- 2: cant connect to external monitors
- 3: once a while it goes to white screen asking for reboot, when watching VLC or youtube.
anyone have any idea which part has the issue? dedicated GPU or the whole logic board? and can this be fixed at home? my friend fixes old PC motherboards but haven't done mac before.
+
+== Update ==
+
+I took it back to apple, they find it to dusty which stopped one fan and overheats the gpu, but cant find the actual issue. Even though my machine is out of warranty for a year, but they decided to replace it for me to the latest model same spec with no cost, and also willing to upgrade my ram from 8to 16 with additiobal 240aud.
+
+Now I have the top model 2014 model of retina pro. God I love apple...

Dispositivo:

MacBook Pro 15" Retina Display Mid 2012

Estatus:

open

Respuesta Aceptada:

162490

Editado por: oldturkey03 (detalles del voto) ,

Título:

Black screen when boot, but with startup sound.

Texto:

- 1: When i turn on the apple startup sound plays, but screen stays off.

Than closing the lid until it went to sleep than reopen the lid, im able to access the desktop.

- 2: cant connect to external monitors

- 3: once a while it goes to white screen asking for reboot, when watching VLC or youtube.

anyone have any idea which part has the issue? dedicated GPU or the whole logic board? and can this be fixed at home? my friend fixes old PC motherboards but haven't done mac before.

Dispositivo:

MacBook Pro 15" Retina Display Mid 2012

Estatus:

open

Respuesta Aceptada:

+162490

Aporte original por: Billy Huang ,

Título:

Black screen when boot, but with startup sound.

Texto:

- 1: When i turn on the apple startup sound plays, but screen stays off.

Than closing the lid until it went to sleep than reopen the lid, im able to access the desktop.

- 2: cant connect to external monitors

- 3: once a while it goes to white screen asking for reboot, when watching VLC or youtube.

anyone have any idea which part has the issue? dedicated GPU or the whole logic board? and can this be fixed at home? my friend fixes old PC motherboards but haven't done mac before.

Dispositivo:

MacBook Pro 15" Retina Display Mid 2012

Estatus:

open