RHEL 7.4 client hanging at "Started GNOME Display Manager"

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After a very recent update, all I got at boot is the dark screen where services that are started are announced, with all OK until "Started GNOME Display Manager" where it is green OK too, but boot doesn't move anywhere after that message. Tried multiple reboots and shutdowns, still stuck there. Tried booting into other kernels listed below, still no go, hangs at the same stage.
I am running RHEL 7.4 Client (3.10.0-693.17.1.el7.x86_64)7.4 Maipo as a virtual machine under Parallels on a MacBook host.
How to get pass this glitch?

GV

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