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LCD - Vert. Stripes w/ grayscale

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Name: eepok
Date: January 31, 2007 at 16:16:25 Pacific
OS: XP SP2
CPU/Ram: AthlonXP2000+, 512MB
Product: Homemade
Comment:

I'm running an AOpen FG95gs LCD monitor on a Geforce 6600GT and have recently noticed some vertical color striping showing on certain levels of grayscale. One stripe is about half-an-inch wide and two others are one pixel wide. The colors of the stripes vary with the grayscale or will not even show if there is not a sufficient level of gray to be had.

Is this the death of my LCD only 1 year after I purchased it or has anyone discovered some LCD rehabilitation techniques?



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Response Number 1
Name: eepok
Date: January 31, 2007 at 16:17:02 Pacific
Reply:

Added info: Using the digital input.


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Response Number 2
Name: Derek
Date: January 31, 2007 at 17:07:04 Pacific
Reply:

A minor adjustment to refresh rate sometimes cures this. Make sure that any figure you use is within the specified range of the monitor, or use standard/default adapter settings.

DerekW


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Response Number 3
Name: jam
Date: January 31, 2007 at 17:07:10 Pacific
Reply:

If possible, try another video card or try the monitor on another PC. Or try updating the video drivers.


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Response Number 4
Name: eepok
Date: February 1, 2007 at 00:54:16 Pacific
Reply:

Wiped the drivers and reinstalled. No difference.

Tried it on both analog and digital, no difference.

I went through all possible color and resolution settings (I've always run it at native specs), no changes.

I will try swapping monitors in the morning. Thanks for the suggestions thus far.


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Response Number 5
Name: Derek
Date: February 1, 2007 at 06:18:04 Pacific
Reply:

"I went through all possible color and resolution settings".

Can I take it that this included refresh rate as suggested?
I had a very similar problem on this LCD monitor which this fixed. There is usually a range of numbers you can try within the monitor's spec.

DerekW


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Response Number 6
Name: eepok
Date: February 1, 2007 at 07:58:49 Pacific
Reply:

"Can I take it that this included refresh rate as suggested?"

Yep, just tried 60 and 75 hertz (the two that refresh rates that are suggested for the two preferred resolutions -- 1280x1024 and 1024x768).

I have plugged in another LCD monitor with the same power cable and the same DVI cable and notice ZERO problems with the picture. It is definitely an LCD problem.

Now that that is figured out, I have been doing my research and those who have had similar experience and experimented have noted that the problem lay in the connections at the edge of the visible monitor. Something about some sensors being loose.

Has anyone had experience in remedying such problems?


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