Hdmi to mac4/15/2023 ![]() Used a video-capable USB-C cable from the top of the Mac Pro (bypassing the Radeon card) to (both) USB-C ports on the Spectrum (I know the USB-C port on the bottom of the monitor is the one for video), but I tried both just to make sure. ![]() Strangely, the Displays System Preference DOES show the Spectrum plugged in-it shows up in Displays as an Extended Display that I can rearrange or change the settings to-but there is no picture on the monitor itself (I get the “No Signal” message). I even went out and bought two different 8K HDMI cables (from two different manufacturers). None of them will generate a signal from my Mac Pro. Since my Windows PC is using the DisplayPort, that leaves me with the two HDMI ports or the USB-C port. I’m replacing one of the Dell monitors with the Eve Spectrum. I previously had three Dell 4K monitors running from the Mac Pro without issue using DisplayPort to MiniDisplayPort cables. This appears to be an issue with Mac OS Monterey. ![]() The monitor itself works fine when connected to an Xbox via HDMI or a Windows PC via DisplayPort, so it doesn’t seem like a hardware issue. Finally received my Spectrum 4K today, and I’m having a lot of issues getting it to work with my Mac Pro desktop running an AMD Radeon RX 580 (8 GB) on Mac OS Monterey 12.0.1. ![]()
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