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I bought ATI radeon 5450 video card to have 2 monitors on one HP desktop. The 2nd display was showing not activated, but the choice boxes were ticked permanent. What do i do to activate secondary monitor?. Thanks

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Can you please confirm that both monitors are plugged into the graphics card and one isn't plugged into the onboard graphics (VGA/DVI) – Joe Taylor Mar 23 '11 at 19:17
    
What version of Windows? – Shinrai Mar 23 '11 at 20:25

If you installed ATI drivers, on Desktop->Properties->Settings->Advanced -> there should be ATI tab with settings regarding 2 monitors setup

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