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Restore USB Drive/Flash Drive/Pen Drive Back to Full Capacity

Posted on Jan 22, 2018 by Daisy to Partition Master

Summary:
Formatting USB flash drive is the best way to restore USB flash drive to full capacity. Try it to reclaim the lost or unallocated space when the USB flash drive not showing full capacity.

Overview of USB flash drive not showing full capacity issue

Sometimes, users may find that USB flash drive not showing full capacity, for example, you have a 16 GB USB flash drive, but Windows shows only 3 GB. The same issue can happen to other storage devices like hard drives, pen drive, memory card, Micro SD card, etc. When you happened to come across such a problem, how can you reclaim the lost space and restore USB flash drive back to full capacity or original size? Please don’t worry, even you have no reliable solution. After introducing how to restore SD card back to full capacity in the last article, in this page, we will continue to talk about the reasons and fixes for USB flash drive not showing the full capacity issue. 

Reasons and solutions for USB flash drive not showing full capacity issue

Reasons for USB flash drive not showing full capacity

When your USB flash drives not showing full capacity, you may wonder that how it happens or where is the lost capacity. Actually, there are various reasons such as invisible shadow files, formatting overhead, and hidden recovery partitions or unallocated space can cause this issue. 

Solution to restore USB drive, pen drive or flash drive back to full capacity

To restore USB drive, pen drive or flash drive back to full capacity, you can use third-party USB format tool to reformat the flash drive. EaseUS Partition Master allows you to format the USB flash drive, hard drives, pen drive, memory card, Micro SD card and recover the lost or unallocated space when disk shows the wrong capacity in Windows. 

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 Windows 10 is supported

Note: Formatting will erase all the data, please make sure that you have made a backup before trying to restore USB drive, pen drive or flash drive back to full capacity.

To restore USB drive, pen drive or flash drive back to full capacity, follow these steps:

Step 1. Connect the USB drive, pen drive or flash drive to your computer, launch EaseUS partition tool, right-click the disk you want to format and choose "Format partition".

Choose the right option to restore USB flash drive to full capacity

Step 2. A mini window pops out, on which you can edit the partition label and choose a file system work best for you.

Restore USB flash drive to full capacity by formatting

Step 3. Click "Apply" to format your USB drive, pen drive or flash drive and restore it back to full capacity.