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No, usually that's not necessary in the case of integrated graphics. (When you re-booted after the uninstall, Windows would just reload the integrated driver back in again anyway.) In your case, just install the new driver if the machine has never had a discrete card in it before.

clutchc

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It all depends on what you define as low end. If you game at 1440x900 or less it will perform like a mid range card. If you game at 1680x1050 it will struggle a bit and you'll have to reduce some settings. If you game at 1920x1080 or above, you'll want a faster card. That's just an educated opinion on my part. I haven't tested the card, but if you need at card that doesn't require a separate PCIe power cable (i.e. one that gets all its power form the PCIe slot), the HD 7750 is about as fast as they come.
 

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my screen resolution is 1366x768p.will it suit for 7750?
 

clutchc

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Yes. That's less than 1440x900 last time I did math. You should be OK with high or near high game settings.
Frame rate depends largely on the number of pixels the card has to address each time it renders a frame. At 1366x768 that is 1,049,088 pixels. At 1440x900 that works out to 1,296,000 pixels.
 

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so i am buying sapphire radeon hd 7750 1gb ddr5,ok? my cpu is intel core2do E7400 @2.80 ghz.
 

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before that i didn't had any video card. i had only one integrated graphics card which is intel gma x3100 256 mb.should i unistall the driver of this integrated graphics card?
 

clutchc

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No, usually that's not necessary in the case of integrated graphics. (When you re-booted after the uninstall, Windows would just reload the integrated driver back in again anyway.) In your case, just install the new driver if the machine has never had a discrete card in it before.
 
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