I have been trying to connect my U2412M as monitor using its DP port to my new HP Envy laptop using its HDMI port with CableMatters HDMI to DP cable. Message on monitor says No DisplayPort cable. Tried another cable and two other laptops with same result. This should work, shouldn't it? In addition I've tried with and without USB cable. How can I get this working?? Help please!!
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