Comment # 1 on bug 1205445 from Thorsten Kukuk

We have many MicroOS installations running here with automatic update enabled,
some are in production since years. From Raspberry Pis to big, fat server
hardware. We don't see your problems.

Without any logs from your Raspbery Pi, there is nothing we can do, this would
be wild guess. You need to be able to get some informations via Monitor or
something like a serial device. Or mount the sdcard, make sure filesystem is Ok
and try to get access to the journal from systemd-journald (don't know how this
is possible).

With your Dell machine, this makes already problems at BIOS level, get that
fixed first. If the BIOS already reports problems with the harddisk...