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Posted on Dec 28, 2009
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Unable to detect 1440 x 900 resolution after change of cables

I have a Lenovo V100 connect to an external monitor (LG L194WT). With the monitor default VGA cable connected to my laptop, it has no problem detecting the correct resolution 1440 x 900 but after i swap to a longer cable (3 meters) the resolution is no longer available in the setting. Any suggestion??

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  • Expert 109 Answers
  • Posted on Dec 28, 2009
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Joined: Dec 24, 2009
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Try updating video drivers to be sure, but once you go over 3 meters, the video signal can degrade, causing a loss in the PnP signal to your monitor. Try setting the resolution manually.

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