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1. MESSAGE MACOS SHARE SCREEN GREYED OUT DRIVERS
2. MESSAGE MACOS SHARE SCREEN GREYED OUT PRO
3. MESSAGE MACOS SHARE SCREEN GREYED OUT ISO
4. MESSAGE MACOS SHARE SCREEN GREYED OUT DOWNLOAD
5. MESSAGE MACOS SHARE SCREEN GREYED OUT MAC

Sudo dd if=path/to/arch_linux.iso of=/dev/rdiskX bs=1m In the following example I can tell for sure that /dev/disk3 is the USB stick, as it is only 3.9GB in size.ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ģ: Apple_CoreStorage DATA 999.9 GB disk1s2 Make sure that the disk that you are using is in fact your USB drive. The next few steps will wipe out the disk to create a bootle disk.

MESSAGE MACOS SHARE SCREEN GREYED OUT ISO

As this is exactly what we need, we will go grab the latest version of Arch and use the ISO to make a bootable USB flash drive.ĭouble and Tripple check that you have the correct disk selected before performing the following commands.

MESSAGE MACOS SHARE SCREEN GREYED OUT DOWNLOAD

In this step we will download Arch linux, as it's ISO has the option to boot directly to the shell, without attempting to load a GUI (Graphical User Interface). For this you will need a USB flash drive. Booting into Linux will allow us to change the EFI properties and tell the Macbook to not even try to load the discrete GPU, and instead always just load the Intel 3000 integrated video card. The next step will be to burn off a linux ISO. Again, your video will be extreamly choppy, like loading a jpeg image on a 14400 modem back in the 90's choppy, but we will fix that next! Your Macbook should boot fully to your login screen.

MESSAGE MACOS SHARE SCREEN GREYED OUT DRIVERS

Once connected, you need to perform the following steps:īe sure to use the last command even though the /System/Library/Extensions/ directory exists, doing so will update the timestamps so that on the next boot, new driver caches, without AMD or ATI drivers will be rebuilt This allowed the MacBook drive to be fully accessible from the terminal window on my iMac. This can be disabled in the recovery mode by normally being able to boot into recovery mode and using the csrutil disable command, but again being that I wasn't able to get into recovery mode, I pulled the bottom off the laptop, pulled the drive out and connected it directly to my iMac via a USB external HDD connector. SIP or Systemc Integrity Protection takes some of the power away from the root user, and doesn't allow even the root user to modify system files. In my case, again, recovery mode would not work, and attmpting to perform the following steps in save mode (command +S), will not work because of the new SIP protection built into El Capitan and later. This will result in a super blocky/choppy display, but it will boot. On boot if the MBP can't find the kernel extentions, then it will boot still activating the broken discreate GPU, but not instantiating its capabilities.

We can do this by removing the kernel extentions for the discreate gpu.

MESSAGE MACOS SHARE SCREEN GREYED OUT MAC

The first step will be to get the unbootable mac to actually boot.

MESSAGE MACOS SHARE SCREEN GREYED OUT PRO

The Intel 3000 integreated card is shut off in the EFI on boot, but can be reactivated with a little hackery, which can return your MacBook Pro back to a fully running state. In addition to the discrete GPU, the logic board happens to have a shared, integrated video device as well. Luckily digging around the bowels of the intertubs did result in a fix that I am happy to report got my MacBook Pro back to normal. So now if you come across this issue, Apple will simply tell you that the Macbook is Vintage, and your only option is to call a repair shop, that maybe can replace the logicboard for 600-800 dollars. Apple did issue an option in 2015 to fix the GPUs for free, but that generosity expired on Dec 31st 2016.

This apparently was a common issue caused by a bad GPU that shipped with the 2011 model Macbooks and MacBook Pros.

Booting into recovery mode (commnd +R), or attempting to boot off of a boot USB/CD with the OSX installer will also result in landing straight back to the grey screen of forever. Once at the grey screen, you will forever remain at the grey screen. Symptoms will include seeing the apple logo on boot, the progress bar will get about 50-75% through, and then you will see a multicolored line appear about 25% percent down from the top of the display for a few moments, before the display resets to a blank grey screen. When the GPU failed, it results in the inabilty to boot. 2011 MBP models had a ton of issues with the incldued descrete GPU.