Problem booting up and getting to display
I have an iMac A1312 27 and the screen is totally BLACK not even glowing.
I already tried a
The only LED that doesn´t lit is LED 4.
If I put an external display everything is working 100% :)
I do believe that is something related to the INVERTER. but I tried a brand new one and nothing changed. Do you think that the cable from the POWER SUPPLY to the inverter could not be working properly?