Unsteady monitor display

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Article #68773

#68773

From: Hemal Popat
Date: Sun, 28 Apr 1996 00:00

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I've got a Dell 14" SVGA monitor running off a Cirrus 5422 card (slow, but
otherwise OK). When I plug the monitor into the 240v output at the back of
the PC the display is unsteady, however when plugged into a wall
outlet/extension lead no problems. It's obviously nicer to run the whole
lot from one power switch (front of PC) than have 2 plugs.

What could be the cause? Surely if there's ripple on the mains supply it
would affect all appliances plugged in nearby/same household ring.

Or is the 240v output on the back of the PC coming via a transformer
winding for isolation reasons?

BTW my power supply is a 200W manufactured by Alfa.

--- 
Hemal Popat
hemal@popath.demon.co.uk

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From: hemal@popath.demon.co.uk (Hemal Popat)
Subject: Unsteady monitor display
Date: 1996/04/28
Message-ID: <31836157.529328@news.demon.co.uk>
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