Stalled Install on Optiplex 990

Was able to
1) make USB with Mojave in Legacy mode
2) install on SSD - the BIOS is set to Legacy and SATA to ACHI,
3) set up Mojave
4) run MultiBeast.
5) remove USB and reboot! That's the problem area.

When rebooting I get error message, "no bootable drive".

When I re-insert the bootable Mojave install drive, the Clover Bootloader is recognized, and system works

I see "5102, booted from EFI" at bottom right of screen.

The Black bootup page with Clover on top gives me following

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Author: rcohen04