But it finally broke down last week: laptop's screen image became distorted, it refused to boot OS X (always freezing half-way), and - Apple free repair program has already ended! I know there are affordable solutions like $50 BGA resoldering at unofficial local repair shop and that its possible to get a new replacement HD 6750M chip from AliExpress for $35 or cheaper ( or, because don't know if this is true - ) to guarantee a successful repair, so the total price of repair would be either $50 or $50+$35=$85 - less than $100 in any case. It has been working perfectly for 6 years under quite a high load, even tried mining at background! So I was confident that my MBP is not affected by bad solder / bad soldering quality and didn't want to bring it to Apple for a free repair program - partially because couldn't find the time to pause my important software projects, partially because I was afraid that Apple might give me a less reliable logic board or refuse a free repair because of the several unrelated repairs that I did manually by myself earlier to save money: changed thermal paste a few times, replaced the internal battery 2 times, replaced a keyboard with broken buttons, etc. PURPOSE AND NONINFRINGEMENT.If you don't have time to read my story (which also describes some interesting technical approaches) just scroll down this thread until a "100% WORKING SOLUTION" textĭiscrete AMD GPU of my 2011 MacBook Pro 8,2 has finally failed because of the reasons mentioned here ( ) and there ( ). INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, The above copyright notice and this permission notice shall be included in allĬopies or substantial portions of the Software. The Software, and to permit persons to whom the Software is furnished to do so, Use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of Software without restriction, including without limitation the rights to This software and associated documentation files (the "Software"), to deal in the Permission is hereby granted, free of charge, to any person obtaining a copy of (Warning: this also resets your EFI boot configuration) License:Ĭopyright (C) 2014-2016 Bruno Bierbaumer, Andreas Heider, Malte Bargholz If you are facing weird problems a NVRAM reset could help: MacBook Pro 8,2 (Late 2011, Non-Retina).MacBook Pro 5,2 (Early 2009, Non-Retina).Otherwise you will end up with a powered-down integrated graphics card and a black screen. You can enable it by setting the spoof_osx_version option in your nf. Recent versions of rEFInd have the "apple_set_os" hack built-in. REFInd version 0.10.0 or above (recommended): So to use the Intel GPU, you need to trick the EFI by using the "apple_set_os" hack either with: switch to the dedicated GPU: dedicated.batīy default the Intel GPU gets switched off by the MacBook Pro 11,3's (and 11,5's) EFI if you boot anything but OS X.switch to the integrated GPU: integrated.bat.Run the provided scripts by right click "Run as administrator" and rebooting your machine:.Windows is using the MacBook's UEFI mode ( how to check).install_hooks.sh can be used to install Login Hooks to automate the swichting process for login/logout. gpu-switch -d enable automatic GPU switching: gpu-switch -i switch to the dedicated GPU: OS X can switch between the GPUs without having to reboot the MacBook: switch to the integrated GPU: Linux Usage:Īs root you can select the GPU by running gpu-switch and rebooting your machine: switch to the integrated GPU: Therefore use it at your own risk and don't blame us if anything breaks. This is new code and it comes without any warranty! It's completely based on reverse engineering. It aims to remove the need of booting into OS X and running gfxCardStatus v2.2.1 to switch to the integrated card. Gpu-switch is an application to switch between the integrated and dedicated GPU of dual-GPU MacBook Pro models for the next reboot.
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