Best Logicboard Parts Deal: https://ebay.to/2kuvcYL Macbook Pro 13” 2012 (A1278) video series: Remove bottom case (recurring for all videos) 1. Replace Battery P/N: A1322, 661-5557 2. Replace/Upgrade Random Access Memory (RAM) P/N: 2012 Models PC3-12800 2GB, 4GB, 8GB (16GB Max) (Workaround: Any Faster 204-Pin DDR3 SO-DIMM as long as 1 old slower module is left in one of the banks) 3. Replace Hard Disk Drive P/N: Any compatible SATA Drive 4. Replace DVD Super Drive P/N: 661-5165, 661-5502, 661-5865 or comparable 5. Replace Trackpad P/N: 922-9063, 922-9525, 922-9773 6. Replace Screen Assembly P/N: 661-6594 7. Replace WiFi/Bluetooth AirPort Card P/N: 661-5867, 661-6510 8. Replace Fan P/N: 922-8620, 661-5418, 661-9530, 922-9530, 661-4946 9. Replace Logic Board P/N: 661-5869, 661-6078, 661-6588, 661-6589 10. Replace CPU Heat Sink P/N: 923-0105 11. Replace Speakers P/N: 922-9769, 922-9772 12. Replace Microphone P/N: 922-9059 13. Replace Power Connector/DC-in-Board P/N: 661-5217, 661-5235, 922-9307, 820-2565-A 14. Replace Keyboard P/N: Any A1278 Keyboard 2009-2012 15. Replace WiFi and Bluetooth Cable P/N: 922-9780 Reinstall bottom case (recurring for all videos)