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monitor going bad??

 
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babygrand

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Since: Jan 24, 2006
Posts: 2



(Msg. 1) Posted: Tue Jan 24, 2006 11:53 am
Post subject: monitor going bad??
Archived from groups: comp>sys>ibm>pc>hardware>video (more info?)

I have a 20" Dell CRT that is about 3 years old, has been a great high end
display until recently. I am running a Radeon 9600 AGP card in a Dell
Dimension 8200, 2 Ghz Pentium 4, 1 Gb RAM, everything has been great until
about 3 months ago, I noticed faint diagonal lines running from upper right
down to lower left, about 2" apart. I have tried changing refresh rates,
screen resolutions, everything, and nothing seems to make it go away. These
lines even appear when the machine is first booted up, when the very first
images appear, before any kind of video drivers are loaded.

Does this sound like a monitor hardware failure starting to develop? Is
there anything I can do about this, any hardware tweaks inside the monitor
itself? I have several video diagnostic tools, and they all run fine, and
indicate no driver or card problems.

Any thoughts or suggestions? TIA

babygrand

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Bob Myers1

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Since: Sep 11, 2003
Posts: 251



(Msg. 2) Posted: Tue Jan 24, 2006 3:55 pm
Post subject: Re: monitor going bad?? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"babygrand" <NOSPAMjoe RemoveThis @airoflo.com> wrote in message
news:odtBf.6726$vp6.6127@bignews6.bellsouth.net...
> I have a 20" Dell CRT that is about 3 years old, has been a great high end
> display until recently. I am running a Radeon 9600 AGP card in a Dell
> Dimension 8200, 2 Ghz Pentium 4, 1 Gb RAM, everything has been great until
> about 3 months ago, I noticed faint diagonal lines running from upper
right
> down to lower left, about 2" apart. I have tried changing refresh rates,
> screen resolutions, everything, and nothing seems to make it go away.
These
> lines even appear when the machine is first booted up, when the very first
> images appear, before any kind of video drivers are loaded.

Have you tried adjusting the "brightness" control? If turning down
the brightness doesn't eliminate these (what you are seeing are the
horizontal scans which occur during the vertical retrace period), then
there IS a problem in the monitor in that it is not blanking these
lines.

Bob M.

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babygrand

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Since: Jan 24, 2006
Posts: 2



(Msg. 3) Posted: Fri Jan 27, 2006 9:27 am
Post subject: Re: monitor going bad?? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Well, I finally stumbled across what seems to have fixed it. After trying
to fiddle with every adjustment on the monitor's front panel menu buttons, I
finally looked at the last menu choice, which included color temperature and
something called "color return". Just out of curiosity, having tried
adjusting brightness, contrast, and about every other choice available, I
tried "color return", not having the faintest idea what that is. Well, the
screen went dark for a few seconds while I thought "oh s**t, what have I
done now?". Then it popped back on, and the faint little diagonal lines
were gone (at least for now). Not sure what that might have changed, but it
seems to be fixed. Hopes this helps another poor soul with the same
problem.

babygrand

"Bob Myers" <nospamplease DeleteThis @address.invalid> wrote in message
news:lgwBf.2048$JR4.346@news.cpqcorp.net...
>
> "babygrand" <NOSPAMjoe DeleteThis @airoflo.com> wrote in message
> news:odtBf.6726$vp6.6127@bignews6.bellsouth.net...
> > I have a 20" Dell CRT that is about 3 years old, has been a great high
end
> > display until recently. I am running a Radeon 9600 AGP card in a Dell
> > Dimension 8200, 2 Ghz Pentium 4, 1 Gb RAM, everything has been great
until
> > about 3 months ago, I noticed faint diagonal lines running from upper
> right
> > down to lower left, about 2" apart. I have tried changing refresh
rates,
> > screen resolutions, everything, and nothing seems to make it go away.
> These
> > lines even appear when the machine is first booted up, when the very
first
> > images appear, before any kind of video drivers are loaded.
>
> Have you tried adjusting the "brightness" control? If turning down
> the brightness doesn't eliminate these (what you are seeing are the
> horizontal scans which occur during the vertical retrace period), then
> there IS a problem in the monitor in that it is not blanking these
> lines.
>
> Bob M.
>
>
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