Screen go black or freezes
The screen go black, and then I turn on and freezes as the video shows. The battery is ok, what could be?
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I’ve saved about twenty 2011 15” MBP using this gem, it’s also free ;-)
To turn off the dual graphics capability of the GPU, install gfxCardStatus for Mac
Download https://gfx.io
This will disable GPU switching and force the MacBook Pro to use the higher powered discrete graphics card rather than the integrated GPU.
- Go to the Apple menu and choose “System Preferences” and then go to “Energy” control panel
- Uncheck the box next to “Automatic graphics switching”
- Note the text which states this may decrease battery life on the MacBook Pro “When automatic switching is disabled, your computer will always use high-performance graphics. This may decrease battery life.” – if you are not OK with that do not disable this option
- Close out of System Preferences
- You can always return to the Energy preference panel to re-enable the GPU switching feature if desired.
- For MacBook Pro users who want to manually control their GPU use, you can use a third party tool like GFXCardStatus which has been around for quite some time and still works on most modern MacBook Pro models as well.
- https://gfx.io/switching.html
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This solution is not working because GFXCardStatus keep forcing to 'Dynamic Switching', even I mark just the 'Integrated Only'.
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The macbook pro 15” 2011 has a problem with the Radeon graphic card. It’s well documented on the web, check it out. To be sure connect an external monitor to your MBP and if you get the same unstable video than the graphic is failing.
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Yes, indeed. This is the problem, but I don't know how to fix it. I already did this https://www.youtube.com/watch?v=nFFPk3Se..., but it keeps failing (less than before).
I was thinking to do it again to see what happens.
Ever find a solution here? I'm also having this problem, and you're right that GfxCardStatus doesn't work because it can't force the mac from accessing discrete GPU for brief periods of time.
From the writers of gswitch:
How do I disable my discrete GPU?
You can’t, your macbook was designed to use both, but gSwitch can trick it into using the integrated one most of the time. However gSwitch cannot prevent your discrete gpu from being accessed by the operating system, and it will be accessed for a short period of time when a process requests the use of it. gSwitch just switches back to the integrated one as fast as it can.
Ok I lied you technically can but I DO NOT RECOMMEND IT. This could potentially brick your computer https://apple.stackexchange.com/question...
I also found this video but it looks highly technichal, and unrealistic to do unless you know what you're doing: https://www.youtube.com/watch?v=XVzpMY8s...
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