I've had my RX570 GPU for a bit and hooked up 2 24" monitors to it. The montiros are Lenovo Thinkvision T2424pa. This model RX 570 has 1 DP, 1 HDMI, and 2 DVI ports. The new monitors only have DP and HDMI ports. When I switch the monitors, the HDMI port goes black. The I've read elsewhere that the issue could be the color depth, but I don't see where I can change it. Any help appreciated.