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hi everybody … this is my first question I hope some helps please I would like to know the value of voltages of LCD Connector J9000… what is the first thing to check if no image when turn on? thank you
Lets backup here a bit. What happened to your system? Did you spill a drink or sit your system down on a wet surface? What happens when you shine a flashlight through the Apple Logo can you see the faint image of your desktop and its icons? Or can you see your desktop on an external display? If you can see the desktop what error messages do you get from the on-board diagnostics. I typically try to finish the diagnostic process before digging into measuring voltages so I have at least an idea what works and what doesn’t.
