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I used to have dual monitors both connected via DVI. After Windows login wallpaper( picture ) was immediately avaialable on a second one. The problem started for my newly assembled computer where a graphics card has a single DVI + HDMI + mini DisplayPort. Now after login I have to press "Auto" button on the bottom of HDMI monitor. If HDMI monitor was made main in "Screen resolution" I have to press "Auto" to see Windows login screen. The same monitor button key pressing is required each time after exiting from "Sleep" mode

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  • It sounds like your HDMI monitor is "listening" for input signal from another source. Check if it has multiple inputs? And if so, try and change the priority in the monitor's own settings, not Windows.
    – red
    Jul 16, 2015 at 22:57
  • You are quite right . On the monitor's Menu > Extra > Input Select must be set to HDMI in my case ( was Auto ) . Probably because when Auto is pressed the menu D-Sub DVI HDMI is shown where DVI before HDMI Though HDMI is highlighted it doesn't seem to be sufficient to turn monitor on immediately.
    – MicMit
    Jul 17, 2015 at 1:20

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