The USB flash drive is taking up half of the space for no reason, what s going on??

Show hidden files and system files, then remove unnecessary things.

It is advisable to test out the useful documents and then format the ......

Formatting is to clear the data on the disk, generate boot area information, initialize the FAT table, mark the logical bad sectors, etc., so that all the things in your disk will disappear, so you have to test it out first and then format it.

The format method is to right-click on the disk icon and select Format Disk!!

If MP4 has its own system files, then you can't just format it, you can only show the hidden files and system files to the method I said above, and then delete unnecessary things, the method is Tools-Folder Options-View, hide protected system files deselect, show hidden files Check OK, you will see a lot of useless files in your disk, delete it!

Format it and take a look, you just right-click and click Format.

The disk may have fragmented files, it is recommended to try defragmentation!!

The file is hidden from you can't see, or is in a virus.

Format it and see if it's still like that, it may be that you bought a fake U disk capacity is brushed out.

Right-click on the USB flash drive"My computer"icon on (H drive) and then click"Formatting"That's it.,My mp4 also had the same problem.,It's good to format it.,It's just to remember to store the useful things in your USB flash drive in another folder first.,To avoid data loss caused by formatting.。

Is it a system disk?,If it's part of it that is occupied by the system.,It's good after formatting.。

Open it in windows7 to see if there is a hidden file, and then try to find the file name, if not, you can only format it.

Situations I can think of.

1,The file is hidden (check the show to hide and system files)2,There is a problem with the file allocation table of the U disk or the file is damaged (it is recommended to format and delete)3,The quarantined file after the antivirus,If you check the U disk and isolate it,Then the quarantined file will be protected by the antivirus software in the U disk,Naturally you can't see it (enter the antivirus software to delete the quarantined file or format the U disk)

4. If you do a USB flash drive system, there will be hidden partitions.

The U disk itself does not have 8G at most, and your U disk will also be used under the condition of not putting things, maybe your U disk is poisoned, try to kill the poison first, if you can't, you move the files inside, format the U disk, and it's OK.

Just because there is 8G does not mean that it is 8G inside. It's possible.

Your U disk is FAT32 format, it only supports a single file copy less than 4G, change the U disk to NTFS format, you can.

to solve the problem. Method:

Start - Run, type "cmd", press enter, after the command letter type: convert h: fs:ntfs, back.

car (assuming the U-drive drive letter is H:). If you want to enter the "current volume label", you can skip it by pressing enter.