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I set my TV to 'extend' my laptop screen and to be the primary display, but the TV won't display the primary duplicate display - I'm left with a laptop which just shows an area of blank screen.

I can't change the setting away from duplicate as I cannot see anything on the laptop. If I right-click and select Catalyst Graphics Software, it appears where the TV should show it.

Any ideas how to fix this? I want the TV to only show what is on the laptop, not to extend the screen.

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Hm.. Does your laptop have a FN button that toggles external display modes? – slhck May 2 '11 at 9:54
    
it did but i broke the keyboard now im using external one without fn button. – yyyy333 May 2 '11 at 10:00

Press Windows-P and select Duplicate.

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