For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
The MagSafe has green light and fans spinning, but no screen and chime.
PP0V9_ENET and ALL_SYS_PWRGD 1.8v are to low. Where can I find the reason for this? Because all the input voltages are right?
PP5V_S0 5.08v
PP3V3_S0 3.3v
PP1V5_S0 1.51v
PP1V05_S0 1.05v
PP1V05_S0_MCP_PLL_UF 1.05v...
The internal display of concerned iMac is not being recognized in OSX and doesn't turn on. With an external display connected everything works fine.
Unfortunately I have not managed to find any boardview files for this specific model - thus debugging it is quite painful.
Diagnostic LED 4 does...