In this mini-guide I will walk you through a somewhat simple task, but one that can often elude people on how to properly fix and reformat a stuck USB Flash drive on Windows. I am using the term “stuck” to mean a USB flash drive that is in a state where the normal Windows formatting does not work as Windows can no longer detect the proper size due to partition changes or corruption.

This can come about for various reasons, one instance that I encounter often is if I used the USB flash drive in a computer with another OS, such as Linux. Other times flash drives just become corrupt on their own and this technique can sometimes be used to salvage the drive. Of course, with flash drives as cheap as they are now, if it is questionable you may be better off just throwing it away.

You can also use this guide on a working USB stick if you just want to wipe the contents completely and start out clean.

Now let me clarify, this isn’t a guide about file recovery, it is simply how to fix and reformat a stuck USB Flash drive and wipe it clean to return it to full storage capacity. It is not a guide on how to recover files or resurrect a dead USB flash drive. Once this procedure is finished, your USB Flash drive should be returned to its like new state, empty with full capacity available and ready for use.

Apr 05, 2017 In this Video we talk about 3 in 1 USB OTG Flash Drive for iPhone, Android, Mac and PC Memory Flash Drive is the easiest way to transfer photos. The answer to this is because most of the computers actually run on Windows and they actually use a different file format which is known to be the Fat32. It’s exactly the same procedure if you need to reformat a flash drive on a Mac. How to format a USB drive on a Mac. Plug the drive into a USB socket (if you have a recent MacBook or MacBook Pro that only has USB-C connectors, you’ll need a USB-C to USB-A adaptor). Open a new Finder window and click on the drive. It is very simple to format Samsung USB flash drive and erase Samsung USB flash drive under Mac OS with AweEraser for Mac. Once the Samsung USB flash drive is formatted or erased by AweEraser for Mac, all the data on the Samsung USB flash drive will be lost forever.

And I will also mention that while this is deviating a bit from the Cryptocurrency theme of the site, since it is a common enough problem people run into, especially cryptocurrency miners. I thought a mini-how to wouldn’t hurt anything and may help a few folks that find themselves in such a position.

How to Format USB Flash Drive from Command Prompt, Learn how to format USB flash drive using cmd in Windows 10, 8 and 7. By using the command prompt, you can format any USB flash drive, pen drive or memory stick that is write protected, corrupted, damaged, unreadable, unrecognized by PC and Mobile. By Jack Scicluna Photography, LLC - guest writer. The latest trend with computers is not including a CD/DVD drive. This helps the computers to be small and lighter. Apple has started doing this when the Macbook Air arrived on the scene. They have also included this with their latest laptops and their iMac’s. Recently photographers have switched from using CD/DVD’s to USB flash drives to.

To begin, insert the USB flash drive into an available USB slot. Wait for Windows to detect it and look under My Computer to see which drive letter it was assigned and how much space is available. In this example I am reformatting a 16 GB Micro USB Flash Drive that had once held BAMT when I used to scrypt mine. I wish to reuse this drive to use as the installation media for a new Linux Mint install, and I am using Windows to download the media and format the drive. Utorrent free download for windows 10 offline installer 64-bit.

In the image on the left, I can see that my computer detected the drive and assigned it as the “J:” drive. However, Windows only shows that 16 MB out of 512 MB is free, well short of the 16 GB flash drive’s capacity. If you try formatting this drive with Windows by right clicking on the drive and using “format”, it will only recognize and format the 524 MB it recognizes as shown below.

There are a couple of different approaches to reclaiming the “lost” capacity, but maybe one of the easiest is to simply use the built-in Windows utility, DiskPart.

DiskPart, short for “Disk Partition” utility, is a command line tool that allows you to manage drive objects (disks, partitions, and volumes) using either the command line directly, or more conveniently in a script format.

For a complete listing of its capabilities refer to the TechNet article from Microsoft here.

For this simple task, we will be using the command line directly as the process is pretty straightforward.

Open up a command prompt (Windows>Start, type: “cmd” in search) and type DiskPart, as shown in the first window above. This window will stay open, but a new Window will open with the utility running, this is indicated by the DISKPART> prompt (lower window shown above).

The first command we will type is “list disk”. This will display all the disks currently on the system. The disk we want will usually (not always) be the last one listed, in this case Disk 6 (as shown below). This can be further confirmed by looking at the size. In this case I am using a 16 GB disk, so we can see a 14 GB detected (Windows uses formatted capacity which is less than physical) so I can see that disk 6 is indeed the one I want to work on.

A note of caution here, if you choose the wrong disk you can easily wipe a drive on your system, be careful and take the time to make sure you are selecting the correct drive.

Now that we have identified the disk we want to work on, again in this case Disk 6, we need to select it. Type “select disk #” in my example “select disk 6” to select it. This should be verified with a “Disk 6 is now the selected disk message as shown above.”

Next we type “clean” to erase all partition information and basically wipe the disk. Sometimes this step errors out, in that case simply type “clean” a second time. It usually will work the second time around.

Now we can create a new primary partition with the “create partition primary” command, as shown above. Again this should be confirmed by a message indicating success.

We now select the newly created partition with the “select partition 1” command. This action is again confirmed with a message.

Now we activate the partition by typing “active”. Then we can format the drive for use, type the command “format quick fs=fat32” to format the drive. Note the similarity to the GUI option as this is the same process. After a few seconds, or minutes depending on drive size, the program should show format completed. Note that you can also use fs=NTFS to format your USB Drive with the NTFS file system and if you want a complete format instead of quick, simply omit the quick keyword in the above command.

Finally we can assign it a drive letter. By simply typing the command “assign” the system will automatically assign it a drive letter, it will usually be one later letter than original drive letter, as Windows thinks this is a new drive, so in my case we went from J to K as shown below.

Well that is pretty much it, I told you it was a simple process. We now have our USB Flash Drive back to factory default capacity, freshly formatted, and ready for use.

An abbreviated list of the commands that were used are as follows:

diskpart
list disk
select disk # (Where # is the number of your disk, i.e. 3)
clean
create partition primary
select partition 1
active
format quick fs=fat32
assign
exit

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