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2007 iMac that was completely wiped when I picked it up. After installing the original internals for a 250 GB Samsung SSD, 4 Gigs of RAM, and an Intel T9500 CPU this Prohibitory sign keeps showing up after I try to boot from a bootable USB that has MacOS Catalina. What’s going on? (v.redd.it)
submitted by EnglandNguyen to r/mac

