I am frustrated. Even googling cant help. so decided to post this to see if anyone can help
1) I have 7 USB ports in my comp. 3 in use for mouse printer,,etc,,etc
2) recently, I have this problem, whenever I put in a usb, eg for my canon to transfer photos, or my external HD, I receive this alert msg 'USB not recognize'.. bla,bla,,,bla malfunction.
3) tried, unplugged all USB, remove all USB, powerpoint etc, etc.. still no use
anyone can help?