Type the following command: select disk X In the example on this page, is Disk 1 my USB flash drive, but this doesn't mean that Disk 1 is also your USB thumb drive.ħ. Take a good look and make sure you know exactly which one is your USB pen drive. Now you will see a list with all the drives of your computer and the USB drive that's connected to your computer.

In Windows 10, you right-click on the start menu button and choose Command Prompt (Admin).ģ.

Type cmd in the Windows search bar and then press Enter.

Click on the start menu button, click on Run, enter cmd, and then click on OK.

Press the + key, enter cmd, and then press Enter.

You need to be 1000% sure that you select the right disk because if you change, format, or delete the partition on the wrong disk you might delete the Windows partition or another important partition. Warning! Disk Management is a very powerful tool. You need to be 1000% sure that you select the right disk because if you delete the partition on the wrong disk you might delete the Microsoft Windows partition or another important partition. Warning! Diskpart is a very powerful tool. Important! Copy all data (documents, pictures, videos, music, etc.) from the USB flash drive to another USB pen drive or hard drive because all data will be erased. Restore USB flash disk back to full capacity The steps in this tutorial work for all USB pen drive brands, such as Kingston, SanDisk, Toshiba, Lexar, HP, PNY, Transcend, Freecom, and all other brands. Then you are on the right page because on this page, I will show you how to fix these problems without using any special software, but by using two tools that are already built-into Windows 10. Is your USB pen drive showing unallocated space? Is your USB flash drive suddenly showing less GB in disk space than actual?ĭid your 16GB or 8GB USB pen drive suddenly became 3GB, 0.99GB, 64MB, 30MB, or 4MB? This tutorial will show you step by step how to fix your USB drive when it's showing less space than actual by using two tools that are built-into Windows 10. Windows Android Linux Internet Fix: USB flash drive showing less space than actual on Windows 10

My pendrive is not showing