usb3-crash

Hello! I have an HP laptop, 5th gen core i3 with 2 USB-2 ports and 1 USB-3 port. I have plugged in an external wireless mouse and keyboard combo on one USB-2 port. Whenever I plug in a flashdrive on the USB-3 port, only the mouse freezes. The keyboard lags just a bit and is not noticeable but...