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mini DisplayPort ->VGA adapter on the XPS 15.6" laptop
Quite often I'll need to use my new XPS L501x laptop in presentations, and most projectors out there are still VGA-input models. So, I purchased a miniDisplayPort to VGA adapter, but it doesn't seem to work...
Actually it is very strange: the computer seems to "see" my monitor is connected (the properly recognized monitor model is listed in Device Manager). However, there is no signal at all at the monitor analog (D-Sub) input!
Could somebody shed some light on it, and how it could be resolved? Thanks,
Piotr
ieee488
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4 Operator
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January 10th, 2011 06:00
miniDisplay is digital
VGA is analog
therefore, a mere cable will NOT work
Anonymous
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January 10th, 2011 07:00
AFAIK, DisplayPort (not sure about mini DP) carries the analog signal, as well.
If it does, my miniDisplayPort -> DVI-I adapter should have it on output, too, and so the DVI-I -> VGA adapter should work.
The latter certainly does work between my dekstop nVidia card and the same monitor...