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I am using my wireless optical mouse about over a year now without any problem. But now suddenly it has started giving me trouble. The problem is that it is quite laggy rather than being smooth as it always was. It usually happens when I play the games like CS, CoD4, etc.
I have checked the battery and it is good. Never changed the settings for the mouse at all.
How to fix this problem?
If your cursor is lagging then you might be experiencing slow frame rate. Game performance totally depends on your graphics card. The game will certainly run better on a good graphics card.
Could be the driver issue. Do the system restore just to be sure. If the problem still persists after the restore then it is probably not a driver issue. Also check the sensor at the bottom of the mouse to make sure it's not dirty.
Are you using any other wireless equipment nearby? Could be codeless phone or even a wireless security camera to interfere with the signal of your mouse.
If yes than move it away and see what happens.
It depends on your mouse movement. Don't be too fast and allow your mouse sensor to catch your movement properly.
Probably your mouse is faulty as its a year old one. Use a different mouse and see if you are having the same issue.