Win7 system cannot format SD card

1, the first thought of the method is to remove the SD card from the phone, using the card reader, plug in the computer USB interface.

2, ready to format on the computer, the general situation will be very smooth. What if you are prompted to "Windows cannot complete formatting?"

3, the first thought of the method is to enter the computer → right key → management → Disk management for partition deletion and reconstruction. Because it is sometimes possible that the partition is not allocated and cannot be formatted.

4, if the above method is still unable to complete, the hint "because I/O device error can not format the U disk", that had to find other ways.

However, the author tried many methods on the Internet did not successfully format the U disk.

Such as: the use of U disk repair Tools Portfree Production program, Formattool, HP u disk format tools and so did not succeed.

5, ready to give up when the sudden thought that if Windows can not complete the format, why not try to use mobile phone to format it?

Hold the attitude of trying to try, the author put the SD card into the mobile phone, boot.

6, the phone really prompts the "SD card has been damaged, click to reformat."

7, the last miracle happened, Windows can not complete the things Android to complete, SD card successfully formatted!

To the mobile file management to see the SD successfully formatted into the initial state.