It might turn or repartition the memory card to 32GB and the rest capacity won’t show in Windows. If you are using a card reader which is compatible with 32GB card at most, but your memory card is 64GB. Card reader or host devices are not well suited with the larger memory card.Therefore we can fix the problem by adding unallocated space to existing partition. The result is that you can make use of allocated space only. We all know that unallocated disk space cannot be used if there is not partition created on it. Thus the capacity you can use is the first partition. If there are multiple partitions on a flash disk, you can only see the first volume in File Explorer. Unlike hard drives, USB flash drive or SD card usually have only one partition, because Windows cannot recognize and access data stored on the second or other partitions.

The USB drive is divided into two or more partition.Some system changes the partition of removable disk when writing booting data. For instance, you burn a portable operating system on your removable drive, and you may find that the disk loses capacity. The USB drive is made to bootable disk.USB flash drive / SD card/ pen drive not showing full capacity can happen for several reasons. Do you have any idea to restore capacity? Thanks!” Why doesn’t USB drive show full capacity in Windows? The size does not change even though I format the partition. But I can’t do anything to unallocated space. There is large free space on the flash disk when I checked it in Disk Management. The flash drive used to have 16GB storages, but it is 2.19MB in Windows Explorer only after it is made as a bootable drive. The problem is that the USB’s capacity shrank. I fixed the system problem successfully but a new problem arose in the flash drive. “Lately I made a bootable USB drive on a USB flash drive for crashed laptop. Let’s take a close look at a real cause about this issue: That does not necessarily mean you have to buy a new one, as the capacity can be restored in many cases. It’s possible that a 64GB flash drive shows as 54MB only. We can store large amount of data on SD card or flash drive so that we can take them to anywhere without difficulty. Likewise hard drive, USB disks come with different size, ranging 215 MB to 1TB. USB storage devices such as external HDD, USB flash drive, pen drive, memory card, etc, play important role in daily lives. Thus we should get a rough idea about this issue at least. It’s really annoying to be unable to use all USB drive’s storage, but this issue just happens due to various reasons. Keep reading and you can find step-by-step solutions to restore USB drive. USB drive not showing correct capacity is one of the common issues that may happen to USB disks, if you are facing same problem, then you are at the right place. This article you can find methods to restore USB drive back to full capacity so that you can make use of lost or unallocated disk space of USB drives.

Repair pendrive using cmd