how can connect monitor live view by hdmi nikon coolpix p900

Solution
Have you tried connecting it to a monitor to see if it would work? The connection part should be easy. Connect the HDMI cable to your camera and the monitor you wish to use. Depending on the monitor you may have to select the input source. What monitor are you trying to connect it to (PC monitor, TV, video monitor)? Have you considered using the WiFi feature and viewing on an android device (phone or tablet)?
Have you tried connecting it to a monitor to see if it would work? The connection part should be easy. Connect the HDMI cable to your camera and the monitor you wish to use. Depending on the monitor you may have to select the input source. What monitor are you trying to connect it to (PC monitor, TV, video monitor)? Have you considered using the WiFi feature and viewing on an android device (phone or tablet)?
 
Solution