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XPS 9550, HCK T7000, HDMI Resolution limited to 1920x1080


I've got an XPS 9550 and I have a HCK T7000+ screen that has a native resolution of 2560 * 1440.

The dell computer is not able to drive this screen at a resolution higher than full hd on the hdmi port.

I've tried with a macbook pro HDMI with the same screen and same cable, it drives it perfectly at 60Hz.

If I create custom resolution, it will always say that the bandwidth exceed the bus speed.

Is that normal for a computer of this price?

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