computer restarting automatically

[dittualex]

hi,
my computer gets resatarted automatically.
i resetted the bios option to fail safe defaults
after 3 days
avgain it continues
it restrats automatically

[sknowonweb]

Check ur power supply for power fluctuations.
Sometimes UPS fails during unstable power supply.Check ur SMPS(final chance) for constant output of power.Sometimes RAM is the hero of the problem , try kicking it.