The u disk is a shrink u disk two major methods

method One,

1, the use of anti-virus software to test the U disk, in Jinshan anti-virus software found in the "Visionary" tab, and then click on "U Disk Guardian";

2, the U disk capacity for identification, identified the result is the memory display of 4002MB, the actual memory is only 975MB, from the data can be seen this U disk shrinkage is obvious, originally 4G U disk actual capacity of 1G, this can also be identified.

　　Method Two,

1, the first USB disk to connect to the computer, and then open the computer interface, the right mouse click on the disk, select the "Properties" option;

2, here, such as the use of Kingston is the memory of 4G u disk, but the actual computer display for 3.9G, this small range error is a normal U disk shrinkage phenomenon, the reason is mainly due to the various U disk manufacturers to adopt different system caused.

3, then in the U disk letter to create a new folder, and then send a large volume of files, such as video files (but it is best not to exceed the actual memory of the U disk);

4, then right click on the choice of uninstall U disk (is the safe removal of u disk, only need to right-click the computer in the lower right corner of the USB icon);

5, then again in the computer to insert a U disk, if the U disk shrink, you will see the previous existence of the U disk in the file is missing or can not be used, and when you want to delete the time will be deleted, so we identify the best way to shrink u disk is loaded into the file, to observe the U disk inserted after the file is complete, If complete and can be deleted, it means that your USB disk is really usable without shrinking.