reboot loop after power failure

[John]

Jan Welker wrote:
> Dear List,
>
> Yesterday evening I had a power outage in my office. My workstation
> lost power. After the power was back I tried to start it again. The
> result was a reboot loop.
> If I switch it on I get no screen, no beep. The fans and the disks are
> spinning (normal start up sounds). After 5 seconds it switches off and
> does the same again. It is for sure a hardware problem.
> Any idea what component is broken (motherboard, power supply or RAM)?
>
> Thanks,
> Jan
I have seen similar behavior, and it almost always means that the power
supply has failed.