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  Monitor distorted above 1440 x 900 
 
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Reason   Oct 23, 2012, 10:32pm EDT Reply - Quote - Report Abuse
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One of my Acer X233Hs has apparently crapped out suddenly. After swapping cables and trying a few things today, it appears that it has an issue displaying anything above 1440 x 900. That resolution and below are fine. Native is 1920x1080.

I've reset the monitor and fiddled with the OSD, reseated the DVI cable, tried the other one, tried both outputs on my vid card, but no joy.

Anyone got any magic ideas? Or should I replace it?


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john albrich Oct 24, 2012, 02:54am EDT Reply - Quote - Report Abuse
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Edited: Oct 24, 2012, 02:56am EDT

 
>> Re: Monitor distorted above 1440 x 900
Reason   said:
One of my Acer X233Hs has apparently crapped out suddenly. After swapping cables and trying a few things today, it appears that it has an issue displaying anything above 1440 x 900. That resolution and below are fine. Native is 1920x1080.

I've reset the monitor and fiddled with the OSD, reseated the DVI cable, tried the other one, tried both outputs on my vid card, but no joy.

Anyone got any magic ideas? Or should I replace it?


.
Since you referenced 'other' X233's one might assume you have compared it to those 'other' X233's on the same port, However, I'm not going to make that assumption just yet, If you did try varying the config (a multi-monitor system?), one might also assume the problem followed the specific monitor while the other monitors all continued performing properly as you walked them from port-to-port?

Also, if you haven't tried and compared a different monitor and/or computer (not just a different video card in the current computer as software and hardware issues in video processing also make a diff), or tried the suspect display in a single display virgin-configured system (hardware and sofware) then based on what you reported, I'd think it a bit premature to toss the display. I've seen multiple display environments spontaneously screw-up without any warning due to software (which includes drivers) and firmware issues. Sometimes an innocuous software update can trigger a change. If for example, the firmware on the problem display isn't the same as the firmware on the 'good' displays, the result after such a software change can be surprising. You might use a system interrogation tool to ID the firmware versions of the various displays and if there is a firmware difference in just that display, it would be one possibility to pursue.

Reason   Oct 24, 2012, 08:10pm EDT Reply - Quote - Report Abuse
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>> Re: Monitor distorted above 1440 x 900
Thanks John,
I did mess with the config and the problem stays with the monitor. It does not follow the cord, the DVI output, or the software config either through Windows or through CCC.

I also checked the monitors via SIW and saw no differences. Acer has a driver download on their site.

However, I left it turned off overnight (as opposed to standby) and it let me bump it up to full res today. So hopefully it'll stay not broken.

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john albrich Oct 25, 2012, 03:41am EDT Reply - Quote - Report Abuse
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>> Re: Monitor distorted above 1440 x 900
.
Probably not the same, but just remembered I had an older Acer LCD display that had intermittent control interface settings problems shortly after running out of warranty. Video worked fine but settings spontaneously would go wonky at times. Or, it'd work right for a few days, but then it wouldn't let me turn on/off the display for a few hours at a time, or it powered-on with a "random" setting (resolutions, color, saturation, etc) and wouldn't let me change it, menu buttons wouldn't work, etc. It turned out to be the control buttons interface internal connector. When that was addressed all the probs went away.


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