Only 49 MB of 16GB USB 3.0 Flash Drive Being Detected

What is going on with this? I have an ADATA 16GB USB 3.0 Flash drive that has never had any issues. I just formatted it with memtest, and I realized that afterwards the max capacity is now 49 MB. I have formatted again a couple of times but it is still stuck at this 49MB capacity.

Anyone seen this before?

 

Did you make sure you formatted the whole 16 GB and not just made a 49 MB partition. It's also possible that the flash drive is toast.

 

Ya I made sure of it

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I've seen this with a bad Linux bootable thumb drive. I was able to fix it with something in the windows command line (diskpart?) - sorry for the vague answer, all I remember is googling it and following a few steps.


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Try to format with HP Format Utility...

 

When I try formatting with HP Format Utility it tells me the device is "write-protected" and it will not format. ?

 

Use the free partition wizard home edition to check and delete all partitions and create a new one.

Best Free Partition Manager Freeware and free partition magic for Windows 7, Windows 8, Windows Vista and Windows XP 32 bit & 64 bit. MiniTool Free Partition Manager Software Home Edition.

John.

PS. have you used the full capacity before? as there are fake ones out their.

 

Diskpart in Windows.

Diskpart
List disk
Select disk X (better make triple sure here)
Clean

 

Where did you buy this stick? There are fake USB sticks out there.

 

Sounds like its a dead drive to me, I'd just return it for a new one if it's new, or play the warranty game with whoever makes it.

 

At this point, I would agree.

 

This sounds more likely to me. It all depends on where the drive was purchased. If it was from Amazon, Newegg, or a retailer, contact them or the manufacturer for a warranty claim. If you bought it from fleBay, it's probably counterfeit. You can file an item not described claim, but you would likely need to return the drive. If you purchased it from an overseas seller, you'll likely have to cut your losses.

 

I've used full capacity before and I got it from newegg if I remember correctly.

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Then the drive is defective and you should contact the manufacturer. Try to recall the approximate date you purchased it, and then go into your Newegg account to locate the invoice. They store your history going back years. Take a screenshot of the invoice to have handy in case the drive maker asks for it.

 

It was working until he formatted it with memtest?

boot a Gparted live cd, and wipe and reformat it using Gparted. Gparted is the proverbial "nuke from orbit" - its the only way to be sure..

DistroWatch.com: GParted Live

 

Hit it with a HAMMER you will feel better for it

John.

 

I guess we're beyond this by now, but Windows' Disk Management tool is a good place to check and manage partitions on any drives you've got connected to the PC. I get to it by right-clicking My Computer (I always keep a shortcut to this on my desktop) and selecting "Manage", then clicking "Disk Management" on the left-side menu.

The OP never actually indicated how he made sure it's not a formatting or partition issue, so I'm just putting this out there just in case it helps him or someone else.

 

The drive is "RAW" in disk management.

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Not sure if this is up to date or will work in your case, but it might be worth a shot:

Windows-Tips | External USB Drive shows up as RAW in Vista

Also, again just in case you didn't think to try, did you try formatting the RAW partition from within disk management?

 

^ I did try; no luck.

"The system cannot find the file specified" is my issue.

 

Did you try Gparted? If there is anything that can fix messed up formatting or partitions, its Gparted.

DistroWatch.com: GParted Live

 

I thought Gparted was designed for Linux based systems?

 

It is, but it handles windows and mac file systems too with no problem.

 

I have a tutorial on this, if you know it had 16GB at first (aka not fake) and if it did not physically break then this should get you sorted.

<iframe width='560' height="315" src="//www.youtube.com/embed/E7BhaiSriE8" frameborder='0' allowfullscreen></iframe>

 

Very good tutorial Vicious. Waiting to hear if OP tried it.

 

nice work as always Vicious.

 

Trying diskpart now

 

OH SNAP it worked.... nice thanks

 

diskpart? What's that? Do you mean 'Gparted'? That was given to you 9 days ago.

 

The tutorial helped me. Covered some key stuff

 

Glad to know you got it fixed. :hi2:

 

I had the exact same thing happen, SanDisk 16GB 3.0 Flash drive never had any problems, installed memtest on it and then the capacity was stuck at 49 MB no matter how I format it. Diskpart fixed it.

 

I always use Acronis Disk Director Suite for such critical tasks and follow on with Windows Disk Management tool, if needed.

FWIW, I just upgraded from Acronis Disk Director Suite v11 to v12 a few days ago.

I've used the SanDisk Extreme 16 Gb and 64 Gh USB 3.0 flash memory modules for the past year. Very fast and reliable drives.

 

I always used this and corrected it just fine: https://www.sdcard.org/downloads/formatter_4/

It has a "format size adjustment" option, worked when I had similar issues.

 

I guess we're beyond this by now, but Windows' Disk Management tool is a good place to check and manage partitions on any drives you've got connected to the PC. I get to it by right-clicking My Computer (I always keep a shortcut to this on my desktop) and selecting "Manage", then clicking "Disk Management" on the left-side menu.
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For flash drives that doesn't always work.