![Using Patched Sur on mid-2012 MacBook Pro. After creating the USB installer I booted into it but it didn't work, so I booted into Macintosh HD and tried to start over. After Using Patched Sur on mid-2012 MacBook Pro. After creating the USB installer I booted into it but it didn't work, so I booted into Macintosh HD and tried to start over. After](https://preview.redd.it/yscyyyv0a7661.png?auto=webp&s=f49f0933b4a8b542f2001d80bde6c3ca009b19b9)
Using Patched Sur on mid-2012 MacBook Pro. After creating the USB installer I booted into it but it didn't work, so I booted into Macintosh HD and tried to start over. After
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MacBook Pro 2012 moving really slow on Boot up from Catalina bootable usb after SSD and RAM upgrade. It took all night to install the OS and now has been moving extremely
![Ultimate Guide on How to Upgrade Mid 2012 MacBook Pro: Faster and Better Than New! | College Lighthouse Ultimate Guide on How to Upgrade Mid 2012 MacBook Pro: Faster and Better Than New! | College Lighthouse](https://thecollegelighthouse.com/wp-content/uploads/2021/11/How-to-Upgrade-Mid-2012-MacBook-Pro-Guide-Thumbnail.jpeg)
Ultimate Guide on How to Upgrade Mid 2012 MacBook Pro: Faster and Better Than New! | College Lighthouse
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