[Cube] Graphics card - toast??

[Riba]

> on - 832 x 624 and the image came in at that size. Monitor works
> beautiful
> but the wrong size.
> If I change the resolution to anything larger like 1024 x 768 then it
> does
> the sizzle and narrow band thing again.
> Oddly enough it has now just popped back to the original resolution of
> 1152
> x 870 while typing this. It again appears to work just fine.
> Anyone out there got any ideas??

The monitor is failing, more specifically the high voltage circuitry.
The good news is that any electronics repair shop should be able to fix
it cheaply. The problem you described is very common with monitors and
TV sets when their high voltage section is failing.