DfuTarg in bluetooth settingsAnyone know what this is?
Answer to "Developer Mode Blocked By System Policy, How do I fix it?"maybe take it back to your school and ask the IT person to remove the enterprise enrolment, otherwise there’s no way to use dev mode with it
Answer to "Need a new ssd for my mid 2015 MacBook air"It seems you can get one from iFixit here. OWC Aura Pro X2 SSD Here is a guide MacBook Air 13" Early 2015 SSD Replacement
Answer to "2007 MacBook Pro 3 hd drives, 1 screen replaced: what's recyclable"Some people still use these old MacBooks today. If you disassemble the MacBook into the main parts like the logic board and the top display assembly and sell the parts on eBay for people who still use these MacBooks you can make a little bit of money and help other people fix these laptops.