I can't get FaceTime to work anymore on my Mac Mini and Dell S2422HZ combination. any suggestions?

DellS2422HZ Said:

"I can't get FaceTime to work anymore on my Mac Mini and Dell S2422HZ combination. any suggestions?"

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Troubleshooting FaceTime:

• If you can’t Turn on or Sign in to iMessage or FaceTime - Apple Support

• If you can't Make a FaceTime Call on your iPhone, iPad, or iPod touch - Apple Support

• If you Experience an Error when Trying to Activate iMessage or FaceTime - Apple Support

Contact Customer Support by phone or chat:

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Chat using Messages. 💬

Try connecting the Dell’s Upstream USB-C port to the mini’s USB-A port using an A-C adapter like this one https://www.amazon.com/gp/product/B079LYHNSR/ref=ox_sc_act_title_1?smid=AX5T5JLFOTX3S&th=1, might fix.