I will agree with Don, it seems the system is not able to locate the install. I once had a brand new hard drive which would seem to install fine, but the reboot rarely worked. A new drive solved the problem.
If you could give some information about your system, it might help. Knowing how old it is, UEFI or not, and other specifics might give us a clue.
The other way I have seen black screens, but I believe the mouse cursor is active, is when the display has switched to another device and you do not see it. HDMI used to be related such a scenario.