I had a Metabox P650RS-G (fantastic machine btw). I sometimes played in the BIOS and was tweaking memory speed settings and voltages one day when I messed up somewhat and the machine wouldn't post...
After much weeping, wailing, and gnashing of teeth I finally figured out how to reset the BIOS (seriously, why is this info so hard to find?...). Simply
hold the fn + d keys during boot.
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