My MacBook Professional 2017 Operate Keys is linked to my HP VH240a monitor by way of HDMI->Apple Multiport adapter. Nonetheless, for some motive, after I take the MBP off the facility adapter, after a number of seconds, the monitor display goes black (“enter not discovered”). If I wait a number of seconds, the monitor display comes again, however then goes black once more quickly after. This simply retains repeating. If the MBP is linked to energy, I can use the monitor no drawback. Any concepts? The battery on the MBP is model new (I simply changed it). Apple did inform me there appears to be a difficulty with one among my energy sensors. Might that be it?

Thanks everybody!