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Why wont my second monitor work?

I've been using a second monitor with my laptop for a couple years and lately its been disconnected. I turned it back on and i was readjusting the resolution and location of the monitor when it suddenly turned off. Now when I go to check the box to "extend my windows desktop onto this monitor" it refreshes the screen and simply un checks the box. What did i do? and how do i fix this? I usually use a DVI cable, however i also tried an s-video cable and it still does not work. THANKS.

Update:

As i said i use a DVI cable i just tried the s-video for trouble shooting to make sure i didn't mess up one of the ports somehow. The monitor still works with other inputs, (its a 19" LCD tv, i just use it as an extra monitor b/c it has the inputs). as for a video card i have no idea but my primary monitor works fine and windows claims all the drivers are working properly. Thanks though.

Update 2:

Dont know what happened but using a restore point fixed it. thanks though.

3 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    Hey!

    I think I found your problem. The monitor won't show the image on the screen without a DVI or VGA cable (s-video only works for TV). So if you've been using the s-video one that's your problem. Besides that the monitor could either be dead, or your having problems with your graphics card inside the laptop.

  • 5 years ago

    you ought to study your image card. you image card did no longer help for multiple video demonstrate contraptions by way of fact which ports did you notice is for various video demonstrate contraptions as an occasion if a demonstrate screen or liquid crystal demonstrate help for dvi no longer for vga so so which you are able to use dvi in addition if a liquid crystal demonstrate did no longer help for dvi yet help hdmi than you ought to use that.......................... in case you supply me your image card module.......

  • 1 decade ago

    your port could have died on your laptop

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