[Macmini, M2 Pro] Green tint on external monitor

Hello,

I have 2 32'' BenQ EW3270U 32 Inch 4K monitors which I connect with my macmini(M2 Pro). Occasionally when screen sleeps and I wake it up again, the other monitor(not Main Display) has green tint over it. I changed the cable to HDMI from Thunderbolt as well to see if cable was an issue but it still doesn't fix the problem. Previously both the monitors were connected through Thunderbolt port.

When I do restart monitor a couple of times it goes away. Not sure how to resolve this issue. Has anyone faced this before and is there any resolution for this? It's very annoying really.

Thanks.

Mac mini, macOS 15.1

Posted on Dec 10, 2024 08:01 PM

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1 reply

TheLittles

Level 10

201,527 points

Dec 10, 2024 08:30 PM in response to ankurtrapasiya

ankurtrapasiya Said:

"[Macmini, M2 Pro] Green tint on external monitor: [...]I changed the cable to HDMI from Thunderbolt as well to see if cable was an issue but it still doesn't fix the problem.[...]"

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Troubleshooting Off-Color External Monitors:

A. 4K Cable:

Use a 4K HDMI Cable. You'd likely find one at your local retailer.

B. Use a Docking Station:

The J5 USB-C Dual HDMI Docking Station allows for more than two extra monitors. How so? Well, plug in a display projector the Mac using the USB-C Digital AV Multiport Adapter and then plug the J5 hub with 2 HDMI displays (one 4K), and then you'll have multiple screens. It all mirrors and extends.

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[Macmini, M2 Pro] Green tint on external monitor