Hello forum members, today I received a Mac mini G4 and connected it to the monitor with a DVI/HDMI cable and when booting, the monitor turned on and there was an Apple logo for a couple of seconds, but after that, pixels began to flicker on the screen and stripes appeared. After that, the screen blinked a couple of times and displayed a black screen. The monitor remained on. The cable can transmit up to 30 hz. What should I do?