If your USB drive is
shown with a wrong size on your computer, it’s likely the result of improper
formatting of the drive. You can fix the incorrect size USB drive using Command Prompt
Step 1: Open the Start Menu, search for Command Prompt, right-click on it
when you see it in the results, and select Run
as administrator.
Step 2: Type Diskpart into the Command Prompt window and hit Enter. It’ll launch the command-line version of the Disk Utility program.
Step 3: Type in list disk to view all the disks attached to your computer. Your USB drive will be one of these disks.
Step 4: To perform an operation on your drive,
run the following command replacing N with the actual
number for your USB drive.
select disk N
Step 5: Type in Clean to clean up your USB drive.
Step 6: When the drive is cleaned, type in create partition primary to create new partitions.
The last step, use the following command to
format the drive to FAT32 format.
format fs=fat32 quick
Once the drive
got formatted, you may need to unplug it and then plug it
back into your computer. You’ll then find that your computer allows you to use
the full storage capacity of your drive.
