I purchased my second Dell P2415Q monitor, a dual monitor stand and a docking station. After I had it all set up and working, I noticed the resolution on the monitors was maxed out at 2048 x 1152. Each monitor supports 3840 x 2160 resolution and the QHD+ video card in my XPS-13 supports 3200 x 1800. After some research I discovered that page 3 of the docking station manual has a little chart that shows this is the best you can get with a dual display connected to the docking station via HDMI. I'm bummed! What causes this limitation?
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