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HP Recommended
EliteBook 840 G3
Microsoft Windows 10 (64-bit)

I'm trying to set up a second monitor with my elitebook 840gs and ultra slim docking station

My second monitor cant be detected. When I go to HD graphics control panel the display mode only shows Single display and wont let me change it also on the select one or more active displays it only shows my main monitor.

I can not change any settings. Do I need to upgrade software? Or is there isssues with the docking station second monitor plug into the display port.

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