But, if the second monitor does not support the same cable? I am trying to connect my external monitor (acer) using HDMI-DVI connector. Check to see if there is another video output port you can connect the monitor to on the back of the computer. Dell Docking Station Not Detecting Monitor Hdmi. Dell UltraSharp U2414H 24" Widescreen LED Slim Bezel Monitor - Midnight Grey 2 £383. Also, do share the service tags of the monitor. The scenario we are discussing here is if you have a device with a DisplayPort or mini DisplayPort output and need to connect to a HDMI monitor input. If the Dell monitor will work with a different laptop do a clean install of the graphics card driver.
It is q Connected docks, dongles, adapters and other hardware can cause conflicts.