I am using the CAC-1510-A adapter (HDCP off version) to connect a 23-inch Apple Cinema Display to a M2 Mac Studio on macOS Sonoma 14.7.2. Also, a 27 Dell monitor is connected via USB-C as primary display.
The adapter is working fine. However, sometimes the Apple Cinema Display remains black...
MacBook Pro 2014, NVIDIA 750. For the past fortnight, the screen keeps going black when the battery appears to have sufficient charge. I've tried PRAM and a couple of other button combinations and it turns on only to show the depleted battery symbol. I've tried SMC, and twice running the battery...
Okay, I know this is long, but here goes:
Originally, our problem was a gray screen with lines but showed the Apple symbol and progress bar, which would go about 2/3 and then go to complete gray screen, then black screen, then restart. Apple store said it was the logic board (everything else...