🚀 go-pugleaf

In article <ah.726429974@dolphin.doc.ic.ac.uk> ah@doc.ic.ac.uk (Angelo Haritsis) writes:
>A speaker magnet created a large blue (on white background) spot on my SVGA
>colour monitor. How can I bring it back to normal - can I de-magnetise it
>somehow ?

I had a problem like this once, and we fixed it this way:
(don't laugh)

We took a bar magnet and attached it to the middle of a big rubber band.
That is, I held the rubber band stretched between 2 fingers, then inserted
the magnet perpendicular to the rubber band.
Then I taped the magnet to the rubber band.

I then wound the rubber up by rotating the magnet, held it about
6 inches from the front of the tube, and let go.
As it unwound, it caused a rapidly-fluctuating magnetic field
that demagnetized the screen.
That got rid of most of the color distortion.
Turning the monitor on and off caused the automatic degauss circuit to
kick in, and eventually the monitor was OK.

You could also try a degaussing coil...

Mike Ciaraldi
University of Rochester
mcia@uhura.cc.rochester.edu