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Memory Stick Will Not Format

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There are a variety of factors that could be causing your USB drive to not be recognized by your computer. It could be a problem with the hardware or a corrupt partition. It may have been formatted on a non-compatible computer. Luckily, you still may be able to extract the files from it, and can likely format the drive so that it's usable again. Mar 03, 2020 But, there may be times when Windows cannot format your flash drive. For example, you plug your drive into the port of a computer, you right click on the disk icon and select 'Format', but it popped up an error: 'Windows was unable to complete the format'.

Updated on October 23rd, 2020

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. 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. Keep reading and you can find step-by-step solutions to restore USB drive.

It's really annoying to be unable to use all USB drive's storage, but this issue just happens due to various reasons. Thus we should get a rough idea about this issue at least. USB storage devices such as external HDD, USB flash drive, pen drive, memory card, etc, play important role in daily lives. Likewise hard drive, USB disks come with different size, ranging 215 MB to 1TB. We can store large amount of data on SD card or flash drive so that we can take them to anywhere without difficulty. It's possible that a 64GB flash drive shows as 54MB only. That does not necessarily mean you have to buy a new one, as the capacity can be restored in many cases.

Let's take a close look at a real cause about this issue:

'Lately I made a bootable USB drive on a USB flash drive for crashed laptop. I fixed the system problem successfully but a new problem arose in the flash drive. The problem is that the USB's capacity shrank. 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. There is large free space on the flash disk when I checked it in Disk Management. But I can't do anything to unallocated space. The size does not change even though I format the partition. Do you have any idea to restore capacity? Thanks!'

USB flash drive / SD card/ pen drive not showing full capacity can happen for several reasons. Let's see some common reasons together:

  • The USB drive is made to bootable disk. For instance, you burn a portable operating system on your removable drive, and you may find that the disk loses capacity. Some system changes the partition of removable disk when writing booting data.
  • The USB drive is divided into two or more partition. 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. If there are multiple partitions on a flash disk, you can only see the first volume in File Explorer. Thus the capacity you can use is the first partition.
  • There is unallocated space. We all know that unallocated disk space cannot be used if there is not partition created on it. The result is that you can make use of allocated space only. Therefore we can fix the problem by adding unallocated space to existing partition.
  • Card reader or host devices are not well suited with the larger memory card. If you are using a card reader which is compatible with 32GB card at most, but your memory card is 64GB. It might turn or repartition the memory card to 32GB and the rest capacity won't show in Windows.
  • The disk is physically damaged. If storage device is physically damaged, the capacity might change. The entire disk size in Disk Management shrinks or increases largely, or the USB drive shows 0 bytes if you check its properties. Physical damages cannot be repaired by solutions in this guide.

This part provides three solutions to restore USB drive backup to original capacity. The first method recovers capacity with the help of command DiskPart. If you feel this approach is difficult to you, you can try the second and third solutions which utilize a free third-part tool. Connect the USB drive or SD card to computer and you can try these resolutions.

Caution: The first two solutions will completely wipe the entire USB drive in question, please backup any important files before proceeding. Besides, please be very careful to select correct before formatting or cleaning operations, or you might wipe wrong disk by mistake.

Solution 1: Restore USB flash disk back to full capacity with DiskPart

Step 1: Run Command Prompt as Administrator. On Windows 8.1 or 10, you can launch it easily by clicking the Start button and selecting option Command Prompt (Admin). If you are using Windows 7, you should click the Start button and enter cmd in the search box; then right-click cmd.exe to select Run as Administrator

Step 2: Type the following command in the Command Prompt windows and hit Enter key.

Step 3: Type list disk command so that diskpart lists all disks connected to your computer, and the command should be followed by pressing Enter.

Format Memory Disk

Step 4 React native run simulator. : Execute following command to select the USB disk you want to restore capacity.

Be very careful here! # is the disk number of your USB drive, You should replace # with the correct disk number. Be sure you select the correct drive, as all the rest actions will be performed on the selected disk, such as format the disk. If you select the wrong disk, you'll lose all data stored on that disk.

Step 5: Type the follow command and press Enter

Step 6: Create a new partition on the USB drive after DiskPart succeeded in cleaning the disk.

Step 7: The following command formats the newly created partition to FAT32 file system.

Now you can open Windows Explorer to check if the USB drive is restored to full capacity. Doom 2016 server status.

Solution 2: Restore USB drive back to full capacity with free partition manager

This solution will repartition the USB drive into one partition using free partition management software PartitionGuru Free. The partition process is simple and fast.

Step 1: Install and launch PartitionGuru on your computer to get the main interface.

Step 2: Connect the USB drive to computer and it'll be displayed in the software. Ips patch maker. All disks, partitions, files and disk parameters on the computer can be read on the main interface.

Step 3: Select the USB drive you want to restore capacity and click Quick Partition button from the toolbar.

Step 4: On the 'Partition Count' section, you should select Custom option and choose '1' so that there will be only one partition on the USB drive; As to the Advanced Options, you can choose file system format for the USB disk. Click OK button and PartitionGuru start repartition the USB drive.

Step 5: PartitionGuru will ask confirmation for the action which will wipe everything on the disk while repartitioning process. Click 'Yes', wait for a couple of seconds, and the partition will complete.

The USB flash drive will show its full capacity in Windows Explorer after it is repartitioned to single volume. Another way to recover capacity is deleting all partitions on the UDB disk and then creating a new partition on it.

Memory Stick Will Not Format For A

Solution 3: Reuse Unallocated Space

Memory Stick Will Not Format File

If your USB drive contains unallocated / free space, its size will be smaller than original capacity. In this situation, you can recover USB capacity by adding unallocated space to partition. It's recommended to use PartitionGuru here again, as this software is able to add unallocated space to any existing partition on same disk without data loss.

Format Memory Stick On Windows

Memory stick will not format pdf

Step 1: Launch PartitionGuru again and connect the problematic USB drive to computer.

Memory Stick Will Not Format Bootable

Step 2: Right click the partition on the USB flash disk and select 'Extend Partition' from the context menu.

Step 3: Move mouse to the partition bar and drag it to include the free disk space. Click 'Start' button and PartitionGuru starts move unallocated disk space to the partition.

Step 4: Click 'Complete' button when the process finishes. Then you can check whether the capacity is restored.





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