Apple knew this and acted like a typical Soapy Smith, only reacting to this after an outrage. The thermal management and the generated heat together with the robustness of the discrete AMD graphics chips do not match up very well. Please read all of this post at least once from start to finish before taking any action.Īll MacBook Pros from 2011 have a serious design defect. I will be taking my MBP to Apple to demand a replacement as the large number of reports of others facing similar issues makes it look like a recurrence of a similar GPU-related failure that resulted in them doing a recall.īut when I use the "mv" command the files won't get moved (neither deleted) and it shows me: However, graphics are extremely slow, even just transitions when minimizing windows. This time the machine booted all the way through. Mkdir /Disabled_System_Library_Extensions When trying to boot Ubuntu Desktop or run the graphicstest in GRUB the system would hang.Īt this point, running Apple Hardware Test hung right before the end of the standard test, possibly when doing a video test.īased on the advice in the Apple Discussions posts above I did the following:Įxecute the following commands: /sbin/fsck -fy / ![]() Verbose safe boot (Cmd+Shift+V) output everything that I'd expect to see but would then hang as described above.Īfter coming across more posts online at Apple's discussion forums of GPU related problems I revisited this as the cause:Ģ011 MacBook Pro and Discrete Graphics Card orĢ011 MacBook Pro and Discrete Graphics CardĪttempting to boot Ubuntu from a USB flash drive, I could only get as far as GRUB. I also ran the Apple Hardware Test many times without it finding any issues. Unsuccessfully, I tried the following, with each continuing to hang as described above:īoot into recovery (including Internet Recovery) Initially I suspected hard-drive corruption and went about trying to remedy that. The boot would progress through the grey screen with the Apple logo and spinner, but just when it seems it should have switched to the login screen the Apple logo and spinner would disappear and hang on a blank grey screen. ![]() My MacBook Pro 15" Early 2011 with AMD Radeon HD 6750M exhibited display corruption and associated system crashes/resets over a period of two weeks before it entirely failed to boot. I found this according to my problem in this thread:īoot hangs on grey screen (even when booting from USB drive with fresh OS X install)
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