Re: Another sick computer monitor

[Jerry Hester <jhester@MTU.EDU>]

Doug Craigen wrote:

> Ok, here's my own problem that developed in the last couple of days:
>
> I have an SVGA on one computer that suddenly flipped to very poor
> color.  It went back and forth a few times for a day, but stayed in the
> poor color state for all of yesterday.  So this morning I started
> characterizing the problem a bit.
>
> Using RGB settings in any program: blue appears black, green appears
> bluegreen, and red appears red.  (Plus the natural combinations... such
> as "yellow" appears pure white.)  So blue hits no phosphor and green
> hits both blue and green.  This occurs in both Windows and Linux, and
> when I swap monitors between computers it is a characteristic of the
> monitor not the computer.
>
> Any ideas?  Does this just need degaussing or is it likely to be an
> electronic problem?
>
> \

Doug, it is likely a problem with the chord.  We have had several monitors
in the past develop this behavior because of bad chords.  If a pin or wire
is bent/broken, the monitor may not receive the color signal for say green.



--
Jerry Hester
Jhester@mtu.edu
Laboratory/Lecture Demonstrations Coordinator
Department of Physics
Michigan Technological University
1400 Townsend Drive
Houghton, MI 49931-1295
Phone: (906) 487-2273
Fax: (906) 487-2933