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I have an Alienware M17x laptop with two Nvidia GeForce GTX 280M video cards.

How do I extend my laptop display to my Samsung TV?

I wasn't able to do it via Nvidia or Windows settings. I followed the instructions but couldn't use either. Nvidia only offers me single display.

Can someone come up with a step-by-step solution please?

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If you are running Linux, what does xrandr output? –  Teddy Oct 16 '09 at 9:06
1  
Try looking over the multiple-monitors tag, that might help you out a bit. There are quite a lot of questions related to this: superuser.com/questions/9034/multi-monitor-usage, superuser.com/questions/2286/monitor-utilities, superuser.com/questions/3004/…. –  alex Oct 16 '09 at 10:15
    
What OS do you use? –  telebog Oct 16 '09 at 13:27
    
I am using windows vista 64 bit, i wonder whether it is a software problem (nvidia control panel) because it only shows me the single display (under menu set up multiple displays). whats the latest driver or software from nvidia ? let me know thanks –  David Oct 17 '09 at 22:59
    
I suggest you try to plug before all the TV to your laptop, then start your laptop. –  Riduidel Dec 30 '10 at 15:38

1 Answer 1

Essential in this case is to plug cable to the TV, then 'tell' TV to get signal (source) from proper cable (it would be vga or hdmi - it depend how u connected it) than if nothing automaticly happens You must switch displays on computer (ussually its 'Fn' + f2)

Standard options are: only external, only main screen or both (clone view or extended)

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using windows 7 you can toggle these options using WinKey+P combo –  kokbira Apr 13 '12 at 17:47

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