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3007WFP-HC, 2208WFP, Mac Mini 2018
Retired an older Mac Pro and replaced it with a new Mac Mini 2018. I want to run the same dual monitor set up (Dell 3007WFP-HC and Dell 2208WFP). Because they both connected to the Mac Pro via a DVI cables, I bought Thunderbolt 3 to DVI adapters.
Once connected to the Mac Mini, the smaller Dell 2208WFP can be displayed at 1680x1050 as its max scaled setting, but the 30" Dell 3007WFP-HC can now only be displayed at a max scale of 1280x800, which is too fuzzy to be useful.
To get better resolution on the 30" Dell, do I have a software setting issue or a cabling issue?
The 3007WFP-HC does not have a HDMI port, but perhaps its better to find a HDMI to DVI adapter?
DELL-Chris M
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December 15th, 2018 09:00
You should post the issue on the Apple Forum and see what other Apple users have done as far as Apple PC troubleshooting and possible Apple proprietary cabling to purchase.
Neither model were ever tested/validated by Dell on the Apple proprietary hardware and operating system. Dell never tested TB3 to DVI adapters on the 11 year old 3007WFP-HC monitor. The only resolutions supported are 1280x800 60Hz and 2560x1600 60Hz on its DVI-D DL in port. To get 2560x1600 60Hz, you must be using a straight DVI-D DL to DVI-D DL cable connected to a DVI-D DL out port on the PC. As far as we know, using HDMI, DP, mDP, or TB3 out ports from a PC with any combination of converters or cabling will not get 2560x1600 60Hz. You will only get 1280x800 60Hz. It is time to purchase a new TB3/USB Type-C monitor.