Sleep, Hibernation, Shutdown, And Restart - HP G5 User Manual

Sleep, Hibernation, shutdown, and restart

If the computer initiates Sleep or Hibernation, the monitor turns off. When the computer exits Sleep or
Hibernation, the connected monitor returns to the previous monitor settings.
If you restart or shut down the computer and then turn it back on, the connected monitor returns to the
previous monitor settings.
Configuring an external monitor 11