New
#1
Laptop Display not visible after vga disconnected
I have tried the windows key and p to switch to disconnect projector. The laptop screen works fine when plugged into external monitor but when I unplug it its blank. Currently running windows 7. says the mobile pc is main display. When computer first starts up it shows the window logo like a normal start up then goes blank until a monitor is hooked up. Please help. Can give more details if need be