![]() ![]() SIP protects files, directories, and processes at the root level from being modified.) To disable SIP, Boot into the Recovery Drive. (Apple says, SIP stands for System Integrity Protection (SIP). I recommend you replace the battery before undertaking this project.Ġ0 SIP must be disabled before making the changes noted below. If your MBP has been “down” for some time due to this problem, there is a chance the internal battery is either drained completely, or will otherwise not function as a “good working Battery.” A battery in this condition, will not allow your MBP to boot up, even if the AC Adapter is connected and plugged in. ![]() ASSUMING THE DUAL GFX CARD IS IN FACT YOUR MBP’S ISSUE, properly done, your MBP will boot normally using the Integrated GPU and run quite well. Once configured, reboot the computer.īe patient. Once in, open the app and configure it per directions found later in this document. Once installed, boot the computer in safe mode (this assumes the Discrete GPU has already failed), this boots the Integrated GPU. The 13" Model is not affected by this problem. This applies to the 15 or 17 inch model, created early or late in 2011. Install an application (App) called GFXCardStatus, Version 2.1 into your 2011 MacBook Pro's Application Folder. SIP must be disabled before making the changes noted below. This work around does not involve running Linux, or Windows. It also turns off the GPU automatic switching capability. The “Discrete GPU” is what has or will fail. This procedure if successfully implemented forces the “Integrated Only GPU” into operation, and does not allow the “Discrete GPU” to function. I have found and tested a successful work-a-round, for 2011 MacBook Pros with the known Dual Graphics Processor failure problem. ![]()
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