Any USB devices: Leopold FC660M (keyboard) Logitech HD Pro Webcam C920.Display resolution: 1440p Dell UltraSharp U2721DE.Display port used: HDMI (USB-C not working screen goes black during Apple logo / progress bar on boot).First DIMM model: Corsair Vengeance DDR4-2400 C16 16GB.Boot SSD model and protocol: Samsung SSD 970 PRO 512GB, NVMe.When I open FaceTime.app, my Apple ID is automatically filled in, but after entering my password, I'm given a loading circle and the login fails with no error message. However, after about a second (and before any conversations or chat histories are loaded), I'm dumped back to the login window.
If I quickly type in the name of a contact, they are found. They are accepted, and I get an empty window like this: I launch Messages.app and copy or type in my Apple ID and password.