OCLP 0.4.3 and Monterey OtA 12.3.1 update ran and rebooted the machine. After that, boot screen shows, progress bar gets to about 50% and stops. Hard powered off. Powered on again, startup chime, but nothing on screen. Hard powered off. Powered on again, progress bar to 50%, let it sit for about an hour. Powered off, removed all drives except PCIe NVMe housing Monterey 12.3.1. What should I do next?