-----Original Message-----
> From: Joe Cho 
>
> Hi, all,
>
> I am cautiously asking this basic question how
> to make the computer auto boot after the power back on.
> I don't have much knowledge about Hardware how to make
> it auto boot after the power disrupt and come back, most
> time, it takes only few seconds.
>...
>
> It would be nice to have the system auto boot after the
> power was disrupted
Hook it up to a UPS. Or rewire the power supply. Or hook it
up to a device that reboots the machine for you if it goes down.

PS. rewiring a power supply can be dangerous. To both you and the 
computer. ;)