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Of mice and ports

q+a I use a Samsung 305E laptop with Windows 7 Ultimate installed. The laptop has three USB ports. Each time I connect a USB optical mouse, a message says, “Windows cannot recognise this device.” I do not have this problem when I connect a flash drive or a modem. What should I do?...  | Read.. 
Of mice and ports
 
Epilepsy control
Q: My son is three and a half years old. He has been...  | Read..