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1. #MACOS CATALINA INSTALL ISSUES UPGRADE#
2. #MACOS CATALINA INSTALL ISSUES SOFTWARE#
3. #MACOS CATALINA INSTALL ISSUES DOWNLOAD#

Step 4: Reboot your Mac and press on the Option/Alt key to see the boot menu. You may use the Disk Utility app for creating the new APFS partition of the desired size.

Step 3: Make a partition for macOS Catalina 10.15.5/Mojave 10.14.6 on your existing hard disk. Press on “Create a bootable installer” and select the target disk from the list shown on the screen.

Step 2: Once the OS gets downloaded, make a bootable USB disk with the patched macOS Mojave or Catalina installer.

#MACOS CATALINA INSTALL ISSUES DOWNLOAD#

Install the patcher app for Mojave or Catalina to download the OS to a suitable location. Step 1: Download macOS Catalina (10.15.5) or Mojave (10.14.6) to your Mac running High Sierra. If your devices have a supported AMD or NVIDIA card, follow this tutorial on installing macOS Catalina and Mojave on unsupported Macs. Yes, I did a test with mid-2011 iMac for the sake of making a video you see at the end of this page.

#MACOS CATALINA INSTALL ISSUES UPGRADE#

For me, the situation is like, you can upgrade to the Catalina, but you can’t use the graphics card. Unfortunately, my iMac, which is a 2011 model, has limited compatibility with Catalina patcher as it has an AMD graphics in the 6xxxx series. It allows you to install macOS Catalina and Mojave on a few more unsupported Macs, but not all.

#MACOS CATALINA INSTALL ISSUES SOFTWARE#

So that means you can’t do anything about it unless you bypass Apple’s security settings for installation.ĭosdude’s macOS Catalina or Mojave patcher (download) is third-party software that offers you some help in this regard. The installer will show the same message even if you manage to download macOS from an internet source. And because of this, I can’t download both these OS updates from the App store. My mid-2011 iMac, which has the specification you see above, is not compatible with macOS Mojave or Catalina. Steps to fix “this version of macOS (10.15.5 or 10.14.16) cannot be installed on this computer” error So whats next? Let’s check the options to install Catalina and Mojave on unsupported Macs. But this is not possible for many people, considering the cost of Apple devices in these days. The easiest way to fix this issue is upgrading the Mac to one from this list. So if I download Catalina or Mojave on an unsupported device, I get “ this version of macOS 10.15.5 cannot be installed on this computer” message. They could have gone in this way, disabling access to apps and services that needs Metal APIs. Apple has a history of limiting features like Continuity, Handoff, etc. So it a big let down for me when Apple announced their decision on Mojave requirements. And this is the reason why I have upgraded my iMac mid-2011 model with SSD disc and paid for a graphics card replacement in 2018. This version of macOS cannot be installed: Catalina (10.15) & Mojave (10.14)Īpple usually supports their devices with software updates for many years. Read more if you want to learn about the options to bypass this message in the Mac App Store, without upgrading the hardware. As per Apple, the GPU of the Mac needs Metal support to be able to benefit from the new graphics capabilities, and this is the reason for many devices not getting the updates. Your Mac needs to be a Mid-2012 or higher model to be eligible for downloading macOS 10.14 and 10.15 from the App store. It happens because of the new hardware requirement for macOS versions after Mojave. Some might see an error “This version of macOS 10.15.5 (Catalina) 10.14.6 (Mojave) cannot be installed on this computer” while downloading OS updates from the Mac app store.