Recent content by zookzook

Just to remember in case of MacPro 6,1 or iMac 15, iMac 17 or Mac18,3 system definition. After update I always get the black screen again: For non-Apple hardware, This can cause your GPU not to send a signal to your monitor (black screen) at boot while using the MacPro6,1 (Mac-F60DEB81FF30ACF6...

Thank you! This helps. I had the same situation. I have a USB hub and the shutdown does not work and after three seconds the system restarts. After changing the USB port for the hub the system shutdowns and stays in the shutdown state! And I got managed to disabled the LEDs as well. BIOS => RGB...