i m facing a problem recently....my mouse and keyboard gets stuck in the middle of doing something and i frequently get a beep sound ,the sound that i get while pluging in a usb device....i m using a usb keyboard and a mouse on my sony vaio laptop and the OS is windows 7....only solution that i have got to make my devices works is by restarting the system...so can u please tell me the reason for this problem and give me a solution for this...