- #TURN OFF SOUND FOR COPY CUT ON MAC HIGH SIERRA UPDATE#
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In the High Sierra (10.13) the brightness control is done by AGDCBacklightControl.kext. Resolved Disable a failed AMD GPU on a 2011 MacBook Pro Įxplanation about Brightness Control in High Sierra (10:13) with the Macbook Pro 2011:
#TURN OFF SOUND FOR COPY CUT ON MAC HIGH SIERRA UPDATE#
Shutdown or Restart Macbook Pro - avoid black screen freeze - Update 2 - #1425Ĭlose the Lid - Sleep - Waking - #1066 - #1243 Alternative 2 - Power Off failure AMD GPU: Rename old AMDRadeonX3000.kext and move new AMDRadeonX3000.kext after update - #1425 = NEWS ! YOU COULD ALSO FOLLOW THESE GUIDES FOR THE EXTRA IMPROVEMENTS : =įollow the MikeyN Guide - page 35 - #875 - to move the AMDRadeonX3000.kext from the /System/Library/Extensions directory and do not freeze Macbook Pro (at 75% progress bar or "IOConsoleUsers: gIOScreenLockState 3" message). Resolved Force 2011 MacBook Pro 8,2 with failed AMD GPU to ALWAYS use Intel integrated GPU (EFI variable fix): Alternative 1 - Power Off failure AMD GPU: The connection of an external display must be made via the USB port. When you do the gpu-power-prefs for the Intel GPU, then you lose the Thunderbolt port.
The MacBook Pro 2011 Thunderbolt port is directly wired to the AMD GPU.
If you are in the Single User Mode (press Command + S at boot), then you do not need the sudo command before the nvram command.Ģ - Move the AMDRadeonX3000.kext (see the MikeyN Guide).ģ - Load the AMDRadeonX3000.kext after login so as not to freeze the Macbook Pro 2011 (see the MikeyN Guide). Macbook Pro 2011 with an AMD GPU with problems: Macbook Pro 2011 freezes on the gray screen due to AMDRadeonX3000.kext.
#TURN OFF SOUND FOR COPY CUT ON MAC HIGH SIERRA FULL#
Nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%00ĪMD6000Controller.kext - full power AMD GPU - increases temperature and decreases battery life.ĪMDLegacySupport.kext and AMDLegacyFrameBuffer.kext are dependencies of the AMD6000Controller.kext.ĪMDRadeonX3000.kext - Power off AMD GPU - lowers the temperature and increases battery life -> System Preferences -> Energy Saver -> enable Automatic Graphics Switching. Pro 2011 with AMD GPU running properly - gpu-power-prefs to AMD GPU (default) - gpu-power-prefs=%00%00%00%00:
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