9 years agoReviving 820-2879 with no power no MCP and no CPU after destruction by idiot. :-(Louis Rossmann
4 years ago20 minute rant disguised as board repair: A1989 no power 820-00850 logic board repairLouis Rossmann
4 years agoMacbook Pro not turning on: GPU power circuit failure. Logic board repair tutorial.Louis Rossmann
8 years agoUnderstanding power rail sequence saves time in electronics troubleshooting.Louis Rossmann
9 years agoMacbook Air not turning on; which power rail do we fix first when they're all missing?Louis Rossmann
10 years agoIntroduction to Macbook logic board power circuits - 820-2936 no PPBUS_G3H repairLouis Rossmann
10 years agoHow Macbook Pro logic board power circuit works - 820-2915 logic board repair.Louis Rossmann