Hi,
We facing one similar problem in our computers i.e we are
newly constructed our design department after that shifted
our computers but our computer desktop screen is vibrating.
we are conducted our electrical maintainance person he told
that is UPS problem, then we changed the UPS also again we
are facing that problem in that room only. then we put lcd
monitors that problem is solved. But in other monitors why
the computer desktop screen is vibrating please give a
suggestion to me.

Regards,

Raju.N.G

Answer Posted / virendra

As mr zakir & mohit said this problem is due to magnatic
field as in monitor CRT tube is there so it distrubs with
the magnatic field . please check if any havy cables are
passing nearby.

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