Sounds like you have two problems.
The case has electricity "on it", and the ground that "should"
be getting rid of that charge (and blowing the fuse possibly)
is not working either...

Glad you stopped testing...

You should test (or have tested) the ground FIRST, and then
figure out what is wrong with the computer.

                        Rick Glazier
                                                  .
----- Original Message -----
From: "Louis Smogor" <[log in to unmask]>
> Returned from a journey to hear that one computer and monitor at home no
> longer work. Supposition is that an electrical storm did them in.
>
> The computer won't boot, but when all peripherals are disconnecetd, it will
> run its POST OK. In the course of determining this, we discovered that the
> case is not grounded; one gets a slight tingle from touching it (power
> supply has no on/off switch).
>
> Clearly this is not right. All further investigations have been put off
> since fiddling with components while not grounded cannot be a good thing.
> I can externally ground the case, of course, but that seems like cheating.
>
> Anyone have an idea about what could have caused this? It hardly seems
> likely that lightning could have done it. Any other way to proceed than to
> get a new powersupply (old computer, maybe not worth the effort).
>
> Suggestions/explanations will be gratefully received.

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