*BSD News Article 90352


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From: Richard Scranton <scrantr@ix.netcom.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: wavy video under X ?
Date: Tue, 04 Mar 1997 17:42:28 -0500
Organization: LDA Systems, Columbus
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In the absence of an external magnetic field (like the computer's
power supply), the wave probbly indicates that the monitor's power
supply is unable to provide a steady voltage to the magnetic focus
collar on he neck of the tube.  Is it still under warranty?

Jim Dutton wrote:
> 
> I have been running X11R6.1 (XFree86) for some time now, and lately, the
> screen has begun to wave (on a Gateway-2000, Vivtron 1572 monitor). I used
> Xvidtune to see if changing mode sizes would help, and while it did slow the
> wave down in a couple of the modes, it hasn't emlimnted the wave altogether.
> 
> There isn't any magnetic source near the monitor.
> 
> How bad of an indicator is this wave, and what else should be done about it?

-- 
========================================================================
Richard Scranton - LDA Systems, Columbus
scrantr@ix.netcom.com