Hello all,
I have an X1 Carbon 2014 from work, which I had connected to a pair of Dell U2515H (daisy-chained via DisplayPort). They worked great, and gave me the pull 2560x1440 promised resolution out of each monitor.
Recently, I upgraded to a pair of Dell U2715H, which are identical to the U2515H, just bigger. But for some reason, the resolution is stuck at 640x480 via DisplayPort. I am unable to change it, and cannot find Windows 10 drivers for the monitors.
An HDMI does give me the full resolution.
Any help would be appreciated.
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Thors.Hammer Notebook Enthusiast
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Thinkpad X1 Carbon and X240 - DisplayPort Stuck at 640x480
Discussion in 'Lenovo' started by ajzinthehouse, Jul 14, 2016.