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Hi I just installed bought a new 24" Full HD new external monitor for my laptop. I am running ubuntu 10.04. When I started the laptop (after plugging via a ...
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  1. #1
    Just Joined!
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    Oct 2010
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    Higher Res = Lower Performance - why?


    Hi
    I just installed bought a new 24" Full HD new external monitor for my laptop. I am running ubuntu 10.04.

    When I started the laptop (after plugging via a VGA cable), and opetd for the FULL HD (1920-1080) resolution (by my Nvidia X server) I managed to see fine, but THE PERFORMANCE HAS REDUCED DRASTICALLY.

    When I lower the resolution of the external monitor (to let's say - 1024x768 ), the performace goes back to normal (drastically faster!).

    Why is this?

    Lenovo N100
    T5500
    GeForce Go 7300
    2 Gig Ram

  2. #2
    Linux Guru coopstah13's Avatar
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    Nov 2007
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    NH, USA
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    3,149
    it takes more video processing power for the higher resolution display

    I feel that your card should be able to handle that resolution though, did you install nvidia proprietary drivers?

  3. #3
    Just Joined!
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    Oct 2010
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    Yes I think my card should be good too. That's why I don't get it.

    About the driver - yes, I have. I am new to Ubuntu and Linux. But I have installed the drivers (I think). I opened

    System--Administrator--Hardware Drivers, and than choose the Nvidia driver that is marked "Recommended".

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