Why can not the card reader be formatted?
(Format behind a space "H:" is your U disk in which the letter if the I disk on the I :) and then press the press according to the two press on the line
At this time you choose to start running the input "CMD" (except quotation marks) and then in the open interface, enter "FORMAT H:".
Some inside you have a virus or the like you right-click U disk to choose formatted sometimes can not be formatted
