[lawpoop]

My guess is that there would be a microkernel service that is the core OS, like the BIOS, and it could be instructed to actively wipe the memory and reload the boot files when the machine freezes

[bitL]

There can be bug in a microkernel service (and as it is distributed, it is actually guaranteed it will crash unexpectedly at some point)

[lawpoop]

Well I guess it's a disposable computer then. Use until it crashes.