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I always have problem to properly calibrate my mouse when playing FPS games (Combat Arms). Sometimes it is too slow or too fast, sometime my movements are not smooth enough. My mouse is Razer Copperhead.

What are the proper steps to calibrate my mouse before playing FPS games?

Is it better to set it fast in the Configurator and slow in the game or in reverse?

What is better DPI higher or not for FPS games?

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Are you sure this is not performance related? – Barfieldmv Feb 2 '11 at 7:27

It is very difficult answer which are the best DPI settings for an FPS. There any too many different variables like the mouse device self (resolution, weight, etc.), the material/brand of your mouse pad or the surface if you haven't one, your hand posture and the force you apply, etc.

Then it depends also how the game implements the mouse input, and even sometimes depends on the class you are using. For example in Team Fortress 2 I use two different settings if I play Sniper or I use Heavy instead.

In the end, if it can help, I suggest you to define as many different profiles as your mouse control software can support (3, 5 or more) and set constant DPI interval between them.

For example I set my Logitech profiles to 800-1000-1200-1400-1600 DPI and then in-game I can easily change between them using the dedicated buttons.

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I know this is a little old of a thread but for any future reference it's best to measure the distance your mouse PHYSICALLY moves as you move across the screen. Then in game move the "sensitivity" until it's the same.

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Setting the sensitivity and DPI to be on a one to one ratio on the pad and on screen is bogus for FPS gaming. You don't want to move your mouse 20 inches or more to cover one screen width turn in game, about 90 degrees. It would be very precise movement but useless in FPS, where you do 90 degree turns frequently just to walk around the map. Let alone if you want to be watchful or evade enemy attack.

You want to turn off Windows, mouse driver and in game mouse acceleration. This can be done from the mouse control panel entry and many games also have their own setting for this as well.

Then you have to figure out the mouse driver and in game mouse sensitivity settings so as to produce the actual DPI you have selected. The sensitivity settings are sort of like mouse acceleration in that this calculation alters your actual physical DPI the mouse delivers. I am simplifying this for convenience sake. But generally if you set sensitivity very high or low it ends up either extrapolating DPI, which produces skipping, or in interpolates needlessly making same DPI feel very slow.

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