Sorry to hear you're having that problem, Karen. I was unable to find the model # that you posted, but I DID find something for an M312 wireless mouse made by Advent:
If you look at the response to this issue, it lists everything I would've typed in here to suggest trying. Wireless peripherals are a "strange animal", in that so many different factors can influence their optimal operating condition. Hopefully something in this article can help you, and good luck! :)
Answers & Comments
Sorry to hear you're having that problem, Karen. I was unable to find the model # that you posted, but I DID find something for an M312 wireless mouse made by Advent:
http://www.adventcomputers.co.uk/forums/advent-printers-and-peripherals/advent-m312-wireless-optical-mouse-freezes-problem
If you look at the response to this issue, it lists everything I would've typed in here to suggest trying. Wireless peripherals are a "strange animal", in that so many different factors can influence their optimal operating condition. Hopefully something in this article can help you, and good luck! :)