I was trying to change the settings on D820 to display on TV using NVDIA settings, Un knowingly I changed the primary monitor to TV and applied it and now I cant see it on laptop or TV. Laptop is booting and all but no display the screen is all blue. How can I change it back to its default?On my Dell Latitude D820 I changed the display settings and now I screen comes up blue, how to change?
try booting in safe mode the F5 or F8 key while computer is starting when in safe mode set video display to minimum and untick tv and reboot it should reboot in minimum config right click desktop and adjust settings
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