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1440x900 unselectable

post #1 of 10
Thread Starter 
I have recently purchased a 19" widescreen Dell S199WFP to use as a secondary monitor for my HTPC (Gigabyte 780G, running XP), and I am experiencing some resolution issues. I have attached it via the VGA output, and I haven't been able to select the native resolution of the monitor (1440x900) in any way: I cannot set a custom resolution through the Catalyst control panel and I cannot set it through Windows. The EDID information is correct (it shows the max native resolution as 1440x900) but I cannot set it in any way. I can choose from 800x600 to 2000x1600 and most everything in between, but there are no 16:10 options.

Installing the driver that came with the monitor does nothing to help at all. In some quick googling, I have seen mention of the same issue being resolved by a registry hack to adjust the driver; I have not been able to find the hack, nor any information in the registry pertaining to resolution settings.

Does anyone have any suggestions?
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post #2 of 10
i'd say go through ccc? have you tried that yet?

NVM... reboot and try it?
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post #3 of 10
You said secondary monitor. What resolution is your other monitor running?

I had trouble getting my 5:4 (1280x1024) CRT to run together with my 16:10 (1680x1050) LCD as primary... couldn't get them to both run at their native resolutions at the same time.
Edited by Coma - 6/14/08 at 9:49pm
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post #4 of 10
Thread Starter 
I probably should have been more specific. Currently, the 19" Dell is the only monitor attached to the computer. I previously had my 42" Plasma connected for watching movies (everything works fine with that); when I fix the issues with this LCD I will be reconnecting the plasma. Running the plasma and a secondary monitor at their native resolution has not been a problem in the past, I hooked up an old CRT at the same time as the plasma and everything was fine. My issue is with being unable to select 1440x900 as a valid resolution.

Vegnagun, rebooting does nothing to change my situation whatsoever.
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post #5 of 10
Have you reinstalled your video drivers?
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post #6 of 10
Thread Starter 
Reinstalling the video drivers was the first thing I tried; I tried the ones on the CD that came with the motherboard, the latest ATI drivers and a previous version of the ATI drivers that I saw discussions about claiming it fixed this issue.

However, I have discovered something interesting: the lack of 1440x900 only applies to the VGA output on my computer. When I switched the monitor to DVI I could select 1440x900 without a problem. I need to run this monitor on VGA however, as the digital output of the motherboard will be going to the plasma.

Any other suggestions?
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post #7 of 10
Buy a card with two DVI out ports.
=\\
I don't know. I had the same problem about a year ago and that was the only solution I could find.
good luck!
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post #8 of 10
Hmmm. Idk what to tell you. I have a Gateway 19" Widescreen HD and didnt have any problems with it :|
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post #9 of 10
When I use my TV and monitor both at once I am forced to make a custom resolution for the second screen even though individually each one works perfect.
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post #10 of 10
Thread Starter 
After some serious sluething, I have come to the conclusion that what I wanted to achieve (1440x900 over VGA on the 780g) isn't possible. The VGA out does not have any 16:10 resolution options with the current driver (and no plans to include it, it seems) with digital output enabled, and I cannot use an adapter due to the digital output being occupied by my TV. I have thus resigned myself to returning the monitor and trying to find a rare species known as the 4:3 aspect ratio panel.

Thank you all for your help.
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