The USB flash drive file is not many but indicates that no remaining space is resolved

1, may be the U disk virus

In this case, the likelihood of the virus is very high, so first ghost Win7 system user to check their own USB stick device security problem, see if there is no virus file hidden in it, if any, timely delete these virus files, if not eradicate the words, Then you need to format the USB drive device to solve this problem.

2, u disk format problem

If the USB drive device is FAT32 format, because can save up to 2GB files, so when the file exceeds this value, it will prompt the remaining space is insufficient, Win7 system users only need to change the format of the USB flash drive device to NTFS format to solve the problem.

3, there are hidden files

In the U disk device, it is possible to set hidden files, so the user found that the USB stick device in the absence of Trojan attack, the remaining space display is insufficient, it is necessary to look at the USB stick device is not hidden files, generally hidden files too large, will also show that the disk device is not enough space.