Upgrading to Mojave will require using APFS. I should first point out Tetsujin has a more extensive answer to the question How can I download an older version of OS X/macOS?Īlthough upgrading from a USB flash drive installer may be optional, I will include this Apple article on how to do so. This Apple article explains how to download older versions of OS X and macOS. The upgrade to High Sierra will also upgrade the firmware so your Mac can boot from APFS.Īccording to this Apple article, you can upgrade to El Capitan (10.11.X) from Lion (10.7.X). You will also probably need to upgrade your graphics card.Īccording to this Apple article to need to first be running at least Mountain Lion (10.8.X), before upgrading to High Sierra. However, according to this Apple article, you need to first be running at least High Sierra (10.13.6). If for some reason you can’t visit an Apple store or dealer, follow the steps below to help resolve this issue.įirst, unscrew the cover casing by removing the 12 screws holding the back casing.According to, the latest version of macOS for your Mac is Mojave (10.14.X).
If you still have your warranty intact, it is a good idea to visit an Apple store or an authorized dealer for repairs. These are all symptoms of a graphics card issue. No video display on the computer screen, even though the computer is plugged into a power socket and switched on.ģ. A frequently crashing system, scrambled video or distorted screen.Ģ. Known symptoms of a graphics card issue could include:ġ. So what happens if your computer has still not been fixed? The deadline of Dec 31st, 2016 has come and gone. All you had to do was visit an authorized dealer or technician, or a nearby Apple store, and the system would be fixed for free. This issue made the malfunctioning computers show the same symptoms namely, distorted videos or no video showing at all, or an unexpected system restart or reboot.Īpple mitigated this issue by offering to repair all systems free of charge until Dec 31st 2016. It affected almost all computers sold between Feb 2011 and Dec 2013. 2011 saw a well-documented and widely criticized graphics card failure on the MacBook Pro.
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