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Old 08-21-2005, 08:47 AM
Lunaray
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Default Jittery, flickering screen!

I've been trying to resurrect my older Dell Dimension desktop that was out
of use for a couple of years and there's been one problem after another, now
it's a flickering monitor! I'm using a fairly new Viewsonic VA520 LCD and
my display adapter is a NVIDIA GeForce 256 AGP (Dell)

The adapter went bad once and Dell sent me a replacement, I wonder if it's
going bad again?

I tried adjusting the resolution, refresh rate, color depth, but nothing
made a difference! It does settle down for awhile now and then, but it
always comes back, I'm getting a headache!

Any thoughts/suggestions on this?

Thanks,
Ray



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Old 08-21-2005, 07:07 PM
kony
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Default Re: Jittery, flickering screen!

On Sun, 21 Aug 2005 00:47:16 -0700, "Lunaray"
<yar@nehalemtelNOT.net> wrote:

>I've been trying to resurrect my older Dell Dimension desktop that was out
>of use for a couple of years and there's been one problem after another, now
>it's a flickering monitor! I'm using a fairly new Viewsonic VA520 LCD and
>my display adapter is a NVIDIA GeForce 256 AGP (Dell)
>
>The adapter went bad once and Dell sent me a replacement, I wonder if it's
>going bad again?


Check the fan immediately, if it is stopped then shut down
the box and lube the fan- until you can buy a replacement
fan (or whole card).


>
>I tried adjusting the resolution, refresh rate, color depth, but nothing
>made a difference! It does settle down for awhile now and then, but it
>always comes back, I'm getting a headache!


Check the video cable, unplug it and inspect the contacts,
then plug it in and unplug it a few times (to clean the
contacts a little). Check the orientation of the video card
in the slot, also unplugging and replugging it, and the
orientation of the motherboard as mounted- if it's screwed
onto the case wall a little off-center it can progressively
become more problematic over time.

Further it could be good to isolate the monitor- Try a
different monitor or different system with that monitor.
Also try slightly wiggling the cable-monitor connection
(very carefully) and the cable-card connection as well while
observing the result onscreen.

Is it possible your location is subject to AC brownouts that
might effect the monitor?

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