Big Sur for apple download2/29/2024 Q: When will my unsupported Mac receive macOS 11.0 Big Sur?Ī: This is a community-driven effort to try and restore support for various unsupported Macs. Overall, a small number of users of these Macs may have a serious need for Big Sur and may be able to endure the slowdowns, but most users will find unaccelerated graphics performance to be simply unacceptable. Video playback is still generally fluid on 2011 Macs with 2nd generation Intel Core processors, but videos are almost slide shows if you have a Core 2 Duo. So when one app causes a graphics processing delay, it can occupy the entire computer and prevent switching to another app. During these multi-second delays, the entire user interface can freeze up. How much performance loss does this cause?Ī: For example, minimizing a Safari window takes well under a second on a 2012 MacBook Pro with accelerated graphics, versus 14 seconds on an Early 2011 13" MacBook Pro (2.3GHz Intel Core i5) or 25 seconds on a Late 2009 MacBook (2.4GHz Intel Core 2 Duo). Q: I see that my (2011 or earlier) unsupported Mac does not have " graphics acceleration" under Big Sur. Non-metal graphics card support is missing, just as an example. To make your old system working again it needs searching, finding and reinstallation of these stripped parts. Third problem: software functionality may have been stripped from the new macOS. Q: What does unsupported mean for my old Mac?Ī: Three problems: Apple locks you out from running the stock installer of Big Sur and as important to mention, you cannot get OTA upgrades via Softwareupdate in the Systems Preference. GTX765M, K610M, RX480, RX580, WX4150, WX4170: GPU typesīCM943602CDP, BCM94360CD, BCM94360CSAX: BT 4.0/4.2 and WiFi combo cardsĪfter many requests, we've finally opened up a way for people to make monetary contributions to OCLP's development, using Open Collective: If you appreciate what we do, please considering donating! Your support will help us purchase needed hardware to improve the project. Macmini5,x (starting with OCLP 0.2.5 systems with AMD Radeon HD 6xxx series GPUs will be supported under Big Sur as well.) +.Early-2009 or newer Mac Mini or white MacBook:.Late-2008 or newer MacBook Air or Aluminum Unibody MacBook:.Radeon HD 4xxx series GPU has graphics acceleration with Big Sur!) * iMac12,x (starting with OCLP 0.2.5 systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be supported under Big Sur as well.iMac11,x (starting with OCLP 0.2.5 systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be supported under Big Sur as well.Early-2008 or newer Mac Pro, iMac, or MacBook Pro:.+ graphics acceleration added back by ( OpenCore Legacy Patcher list of GPU support ) * Not officially supported in macOS Catalina, but are fully capable of running both Catalina and Big Sur with a Metal-compatible GPU and upgraded WiFi/BT card. Some older Macs will have a hard time running Big Sur, so you might want to check out this list of supported Macs before getting started.- These Macs so far can boot Big Sur, some got graphical acceleration support and, as with most 2012-2013 Macs, using early versions of Big Sur WiFi is not fully stable yet. Since this is an early beta version of the project, issues are to be expected. It will download the latest package and create a bootable USB, which you can use to reinstall macOS in order to get the latest version. To update your installation, you can use the Post-install tool. Then, select the boot drive you've created and reinstall macOS. Once the USB drive is ready, go ahead and launch the Startup Manager by holding down Option ( ⌥) while restarting your Mac. Just plug in a large enough USB drive, and Patched Sur will create your installation media. The app downloads the Set Vars Tool, the Kext patches, and the macOS installer itself. You will need to select your update track, but the rest of the process is mostly automated. For the time being, you can only update from Catalina, as the clean install option is not available. Patched Sur is an intuitive app that runs you through a step-by-step process in order to create a bootable USB for installing or updating your OS. Thankfully, if you really want to run this OS on your older Mac, you still have options. Big Sur is the most innovative macOS release in recent years, so it's no surprise that Apple has dropped support for quite a few older Macs with the 11.0 update.
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