When your HP monitor HDMI is no longer working, the first thing to do is to restart the computer. Unplug the HDMI cable fully from both the monitor and the computer and shut the computer down fully. After waiting a few minutes, reconnect to the HDMI cable and restart the computer.
In general, first unplug your HP monitor from your computer and then unplug your HP monitor from the wall outlet. After that restart your computer, and once your computer has restarted plug your HP monitor back into the wall outlet and your computer. If it’s still not working do the steps below.
As a general rule, first check that the cable from the monitor to your computer is plugged in correctly. Verify that the monitor is working properly by disconnecting the video cable. If it’s working properly the monitor should say ‘no video signal’. If it doesn’t do the steps below.
An HP monitor screen that is having issues will prevent you from performing even the simplest of tasks on your computer. To make matters worse, …
You can hard reset a HP monitor by power cycling the monitor. Unplug the monitor from its power source for 30 seconds. Next, press the ‘Menu’ button on the front right panel of the monitor. Use the side buttons to select the ‘Management’ section > ‘Reset’.
If your Hp monitor is not being detected, check the display adapter. A USB adapter for extra video output is needed to create a separate video signal. Otherwise, your adapter will be duplicating the same video signal causing your second monitor to have no picture.