I am using Razer Lachesis mouse in my computer and it is very nice mouse for gamers. I use to play games in my computer. Some days before I have upgraded my operating system from windows vista to windows 7 and after that have installed all necessary drivers in my computer but after doing al the things I have noticed one problem with my computer. Now whenever I use my Razer Lachesis at that time cursor jumps here and there and this is very irritating for me. Please give me solution for this.
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