USB Pen Drive 16 GB Shows 4MB

 
“I have a problem. I have a USB Toshiba 16gb I use it for 3 months and I was impressed because of the performance but out of nowhere problem cam up my USB got virus and I format. Then it became 4mb. Can you help to fix this?”
 

 
In this day and age, some flash drives including USB drives, pen drives, and thumb drives are widely used as storage devices by many of you. However, the flash drive is easy to get damaged. Usually, you probably encounter that your USB pen drive shows less space. For example, 16 GB pen drives become 4MB. Do you know why this issue appears? Generally speaking, it happens because of an unsuccessful format, virus infection, unplugging the drive suddenly and more. How to fix this issue? Read on, please.
 

How to Fix USB Pen Drive 16 GB Shows 4MB
 

Use Disk Management

 
1. In Windows Disk Management, right click the drive, and then select “Delete Volume” option. This will delete memory space allocated and free up the total space.
2. Then the partition will be shown normally. Right click the unallocated space to select “New Simple Volume” feature to create a new partition.

 
3. Select the file system and format the partition to use it again.
 

Use MiniTool Partition Wizard

 
If you fail to fix 16GB pen drive becomes 4MB issue with Disk Management, you can try MiniTool Partition Wizard to solve such an issue. As a free professional partition manager, MiniTool Partition Wizard Free Edition is compatible with Windows 10/8/7/XP/Vista to resize partition, create partition, format partition, delete partition and more. Before you do, you need to download this free software and then install it to your computer.
 
Step 1: Launch Free Edition of MiniTool Partition Wizard, then you will go to its main interface. Here select the drive which is showing less space, and click “Delete Partition”.
 
Step 2: Then right click the unallocated space to create a new partition. Here you can choose to create a primary partition or logical partition, select file system, drive letter and cluster size.
 

 
Step 3: Click “Apply” to execute this change to finish the repair.
 
Now MiniTool Partition Wizard helps you to solve USB pen drive 16 GB shows 4MB issue and you can make full use of the entire disk space. In addition to deleting/creating partition, this free tool can also be used to resize/extend/copy partition, migrate OS, recover lost partition and so on. If you have a need, please have a try.