![Updating Catalina on mid-2012 MacBook Pro. Music playing in background. Not a problem just weird. : r/MacOS Updating Catalina on mid-2012 MacBook Pro. Music playing in background. Not a problem just weird. : r/MacOS](https://external-preview.redd.it/8pQe9KIXTByc-3aS0lrBUPO-isobgJ0VnMCan-zzE4E.png?format=pjpg&auto=webp&s=0d9b183180fd30d49f5912675361e1f1573186ba)
Updating Catalina on mid-2012 MacBook Pro. Music playing in background. Not a problem just weird. : r/MacOS
![Resurrecting a dead MacBook Pro (mid-2012 13-inch, model A1278) | Rip It Apart - Jason's electronics blog-thingy Resurrecting a dead MacBook Pro (mid-2012 13-inch, model A1278) | Rip It Apart - Jason's electronics blog-thingy](https://ripitapart.files.wordpress.com/2019/07/20190701_220411-e1562484182627.jpg?w=640)
Resurrecting a dead MacBook Pro (mid-2012 13-inch, model A1278) | Rip It Apart - Jason's electronics blog-thingy
![Issue: found this 2012 MacBook Pro in the trash, and when booted it gave me the question mark. I replaced the drive and it doesn't even recognize it in the recovery mode Issue: found this 2012 MacBook Pro in the trash, and when booted it gave me the question mark. I replaced the drive and it doesn't even recognize it in the recovery mode](https://preview.redd.it/91l8pnz6fdd71.jpg?auto=webp&s=4e008756cee8999724c507d3937c0094500dbba3)
Issue: found this 2012 MacBook Pro in the trash, and when booted it gave me the question mark. I replaced the drive and it doesn't even recognize it in the recovery mode
Remplaza el Cable del Disco Duro del MacBook Pro 13" Unibody Mediados 2012 - Guía de reparación iFixit
![SSD (7+17pin) to SATA 6.0Gbps Card converted into 3.5/2.5 inch SATA interface(22 pins) for Apple MacBook Pro 2012 Retina A1425 A1398 & Apple MacBook Air 2012 A1465 / A1466 / A1435 / A1436 - WIT Computers SSD (7+17pin) to SATA 6.0Gbps Card converted into 3.5/2.5 inch SATA interface(22 pins) for Apple MacBook Pro 2012 Retina A1425 A1398 & Apple MacBook Air 2012 A1465 / A1466 / A1435 / A1436 - WIT Computers](https://witcomputers.com/wp-content/uploads/2021/03/Apple-MacBook-Pro-2012-Retina-A1425.jpg)
SSD (7+17pin) to SATA 6.0Gbps Card converted into 3.5/2.5 inch SATA interface(22 pins) for Apple MacBook Pro 2012 Retina A1425 A1398 & Apple MacBook Air 2012 A1465 / A1466 / A1435 / A1436 - WIT Computers
![Fix Apple MacBook Pro A1278 Mid 2012 hard drive cable - flashing question mark folder, HDD missing - YouTube Fix Apple MacBook Pro A1278 Mid 2012 hard drive cable - flashing question mark folder, HDD missing - YouTube](https://i.ytimg.com/vi/OBcATEO4-S0/maxresdefault.jpg)
Fix Apple MacBook Pro A1278 Mid 2012 hard drive cable - flashing question mark folder, HDD missing - YouTube
![Amazon.com: HDD SSD SATA Hard Drive Connector for Pro 13" A1278 Pro9,2 Mid 2012: MD101LL/A MD102LL/A 923-0104 923-0741 821-1480-A 821-2049-A 821-2480-A : Electronics Amazon.com: HDD SSD SATA Hard Drive Connector for Pro 13" A1278 Pro9,2 Mid 2012: MD101LL/A MD102LL/A 923-0104 923-0741 821-1480-A 821-2049-A 821-2480-A : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51HaSiMNymL.jpg)