When you next power on your Mac it will start normally.īe sure to follow MacFixIt on Twitter and contribute to the CNET Mac forums. Hold the power button to shut down and quit Verbose Mode. The following line of text will appear on the display: "Loading System\Library\Caches\\startup\Extensions.mkext."" "If the computer has the wrong build of the OS installed, the startup process will stop. If a DOS-like white text on black screen pops up, you've done it correctly.
#Apple macbook pro 2011 reset mac os x
You can check and see which version of Mac OS X your machine is attempting to start from by booting your Mac in Verbose Mode. Later versions of Mac OS X will also work, but the article notes that using a version of OS X that was released before the computer will likely cause this issue. If this happens, reinstall the proper build of Mac OS X from your install DVDs that came with your Mac. According to the article, the Mac booting to the gray logo screen "may happen if the computer starts up from the hard drive or from an external drive using the wrong version or build of the operating system." Wait for the boot chime to ring three times and your machine will start normally.Īpple has released a knowledgebase article to address some causes of this problem. While holding Command + Option + P + R, turn your Mac back on. One suggestion offered on the forum was to reset the PRAM. The only thing that I can even think caused this was again the fact that I updated via Software Update then rebooted." The first time this happened 2 days ago I HAD TO resort to Archive and install. "So for the second time my Macbook Pro is stuck on the ****** gray screen and won't boot. Apple has also noted the issue, releasing a knowledge base article to help with the situation.Īpple Support Discussions forum user Cor圜ripita writes: It resets PRAM-also known as PARAMETER RAM SETTINGS. macbook air pro retina Efi unlock bios password reset service. Some owners have noted an issue with Apple's latest MacBook Pro model (early 2011), where the machine will start up to the gray Apple logo screen without a progress indicator and freeze. The setup steps common to both are here, and specifics are separated off below: Apple Macbook Pro Retina 13-inch (early 2013) Apple Macbook Pro Retina 15-inch (early 2013).