I am having a computer and it is too old and recently I have assembled it and the latest configuration is I am having 2GB of RAM and 250 GD of hard disk and windows 7 installed in it. And I am having the mouse of Razer DeathAdder and it was working well but recently when I updated the firmware it was not working. But when I again downgraded the firmware it worked well. But after that I again upgraded the firmware again the mouse stopped working so please let me know the problem. Thanking in advanced.
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