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Cheri Desktop Environment: Monitor Input Signal Out of Range

After installing CheriBSD and the Cheri Desktop Environment and rebooting, the monitor will no longer accept the generated GPU/DPU signal. The monitor generates "Input Signal Out Of Range". I have tried a high resolution monitor (QHD: 2560 x 1440) and get the same result as a 1920x1200 monitor. Both monitors are HP brand and appear to operate at 60Hz with Horizontal bandwidth varying around 65kHz or so and Vertical bandwidth variable around 48Hz range.

Prior to installing the Cheri desktop, I was not having any problem viewing the boot menus or directly accessing CheriBSD without the desktop environment. Any ideas on what the Cheri Desktop Environment might be doing to the graphics output? I have updated to the latest firmware release and installed the latest CheriBSD release (22.12).