USB Flash Drives are portable USB drives that rely upon flash storage, also known as pen drives or USB sticks.

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USB Flash Drive became read-only during use

I was using IntelliJ when my USB flash drive suddenly wasn’t being recognized and IntelliJ became unresponsive. I tried safely removing it but it wasn’t showing up there, so I force closed IntelliJ, ...
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3k views

How do I reformat an unmountable/unrecognised/unformatted USB drive?

How do I reformat an unmountable/unrecognised/unformatted USB drive? It will not mount or format on Windows Vista or OSX Tiger. Disk Utility sees the hardware, but no partition to mount. Testdisk ...
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1answer
4k views

Can't take control of USB drive on VMware

I’m running VMWare Workstation on Windows 7 x86-64, and a Mac OS X 10.8 install inside the VM. Whenever I try to connect my USB drive to the Mac OS X 10.8 guest, it just doesn't gets recognized. The ...
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2answers
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Will microwaving a flash drive destroy the data on it?

After reading the answers on Permanently delete files from a flash drive, where the top rated answer was simply to pulverize it with a hammer, I wondered whether a microwave could be used to the same ...
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3answers
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USB 3.0 Flash Drive slower than USB 2.0

I have just bought a USB Stick (Flash Drive) from Philips. 32GB USB 3.0. I had some other problems with my USB 3.0 Installation but now this is resovled. My USB 3.0 hub is now a 7 Port USB 3.0 Metall ...
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Flash Drive/External Drive driver not recognized - Windows 8.1

I can't find a solution to my problem. I'm connecting a flash drive to my laptop and Windows doesn't recognize it... The same drive was used to be recognized and all of a sudden it doesnt work ...
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10 views

erase USB drive after written with win32 disc imager

I am following this tutorial: http://www.macbreaker.com/2014/01/install-osx-mavericks-on-pc-with-niresh.html?m=1 to install Niresh. However it says I need to write the OSX mavericks .dmg to the USB ...
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USB drive not showing full size

I have a 4GB usb drive. Just now i have formatted it with fat filesystem. But after formatting its only showing 200MB instead of 4GB. I am using windows VISTA operating system. I am frightened. Can ...
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18 views

Exclude letters for automount drivers letter usage

I would like to be sure that some letters are not used for the driver automount because i reserved that for other programs
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1k views

Truecrypt Full Disk Encryption - Bootloader on USB stick/pendrive

I thought about way to hide that I'm using truecrypt on HDD, other than truecrypt built-in decoy-OS feature - it has lots of disadvantages. My idea is simple: Use full disk encryption on my system ...
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Can't access USB drive anymore

I have a 32 GB Lacie Cookey USB flash disk that doesn't show in the Computer window but it's visible as a device. cmd > diskpart DISKPART> list disk Disk ### Status Size -------- ...
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usb flash size decreased from 32 Gb to 5 Mb (after trying ubuntu)

I've used my 32 Gb USB flash to try ubuntu. Now I don't want ubuntu anymore so I formated my USB flash. But size of it now 5 Mb instead of 32 Gb (likely this is because ubuntu uses two partitions and ...
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2k views

Restore deleted Windows 8.1 recovery partition

I selected the option to create a recovery drive in Windows and then deleted the recovery partition using the option provided (see screenshot). Now I want to restore the partition exactly as it was ...
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2answers
135 views

Error when trying to use WinToUSB to install Windows 7 Ultimate onto a pendrive

I wanted to install Windows on an USB drive so that I can use it on different computers. I heard about WinToUSB and gave it a try. At about seventy percent (with three retries) I get an error "Copy ...
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1answer
8k views

USB Flash Drive is writeable but can't delete files

I have an external HDD, which can be powered by either using a Power Supply or the USB port itself. When I use the USB to connect directly to my computer, I can access the Filesystem, can Copy Files ...
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1answer
18 views

Read-only, encrypted flash drive [closed]

Is there any hardware or software way to make a flash drive encrypted and read-only? I want to give this flash drive to someone, have them be able to open and read files, but not able to copy the file ...
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2answers
393 views

How to boot from USB in Windows 8?

I'm trying to install Ubuntu along with Windows 8. I have copied the Ubuntu 64bit ISO in a USB Pendrive [aka USB Flash Drive] and now I'm trying to boot from there. In the BIOS, I select First Boot ...
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1answer
22 views

How can I log into a windows domain with a usb key

I would like to log into a windows domain (active directory) with a USB key without having to install a client on every workstation. My use case is for Elementary School kids who have issues typing ...
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2k views

pendrive is appearing and disappearing

My pendrive is recognized on every computer but it will appear and after some time will disappear causing windows to show a FAT32 error. In Windows XP it says that the hardware is damaged. This ...
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1answer
3k views

Unable to format RAW USB Flash Drive

I have a Kingston 4GB Datatraveller USB flash drive that has seemingly become corrupted. On my main computer, the drive continually connects and disconnects and shows up as an Unknown Device. On my ...
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2k views

Password protect folder on USB flash drive for use on Windows XP and a Mac

I would like to password-protect a folder on my USB flash drive, so when someone tries to open the folder, they are prompted to enter a password. I have a Mac, but also need to use the flash drive ...
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1answer
9k views

How to make a virtual USB drive in Windows?

How can I make a virtual USB drive in Windows? Can it be done with DAEMON Tools or something like that? The reason is that I need the USB drive to use them instead of a physical USB. Sometimes I need ...
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1answer
5k views

Repair snapped USB flash drive

I have a USB Flash Drive that has had the USB connector snapped away from the circuit board. In the past I have had great sucess with soldering the connector back to the circuit board with 4 solid ...
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4answers
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How can I get data off of a damaged thumb drive?

A guy I work with just came by to ask me about a damaged thumb drive/USB flash drive. Apparently his son dropped it on a hard surface and it won't power up anymore. They've tried plugging it into ...
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2answers
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Did my apartment's electronic key fob fry my flash drive?

I had a great thumb drive on my keychain (a LaCie iAmAKey), right next to the electronic key fob I use to beep myself into my apartment. Recently it's given up the ghost, refusing to be recognized on ...
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Kali Linux Live USB: Flashing _ on boot-up

I have installed Kali Linux onto a Live USB using dd if=kali.iso of=/dev/sdb1 However, upon boot it just has a flashing _ in the top left corner...
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Formatted USB flash drive with Disk Utility on Mac and now it is not recognized on any Mac or Windows machine

I have formatted Canyon CN-MP4A USB flash drive with Disk Utility on Mac and now it is not recognized on any Mac or Windows machine. I have formatted with Disk Utility > drive > Erease > ...
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USB flash drive suddenly stops working, file system cannot be determined

I have a Corsair Voyager Slider 16GB USB drive (USB 3.0) I was working using my USB yesterday and after a 30 minutes break I went back to continue and suddenly my USB stopped working completely, ...
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How to remove write protection from sandisk cruzer switch pen drive?

I have a sandisk cruzer switch pendrive. It is write protected. I want remove that write protection. I did Google very much i am not getting how to remove it. I tried on mac also but it didn't worked ...
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1answer
58 views

Cloned Linux does not recognize the new flash drive's space?

I installed CentOS 6 into my 4GB flash drive, and everything worked fine until I needed more space. I have another flash drive with 8GB of space (which is all I really need) and so I formatted it with ...
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3answers
61k views

How to delete a partition on a USB drive?

I have a USB drive that I accidentally partitioned when trying to put Ubuntu on it. It's a 16 GB Kingston flash drive but it is now split to two partitions, 7.30 GB each. How do I combine the two ...
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Laptop won't boot to either the CD/DVD or to a USB Flash Drive

Update: Apparently Diskpart should display unused usb ports as well as the DVD/CD player. Mine doesn't. All I can see here is the laptop hard drive. I'm suspecting this is a more serious issue ...
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USB drive is not opening

I don't know why I cannot open the contents of my flash drive. When I plugged it into my laptop, Windows 7 did not recognize it. In My Computer, it's transparent like this: When I click the icon, a ...
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2answers
2k views

Ghost boot disk on a pen drive

I am in process of ghosting several windows 7 machines. I have disk but no pc comes with floppy drives. So I need an external so I was hoping to create a bootable pen drive with ghost. I have the ...
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2answers
10k views

Unable to open files in USB flash drives

When I want to open my USB flash drives, it has an error with the below text: There was a problem starting~$WUDFFPBD.FAT The specified module could not be found.
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6answers
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Why is deleting a file faster than copying?

Why it takes more time, say 10 minutes when copying a file But It takes very less time when deleting the same file, it would take 10-20 seconds.
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dd copy iso 2 usb flash drive & add a writable partition

I made an install of Xubuntu inspired by : http://en.opensuse.org/Live_USB_stick#Using_commandline_tools Is it very good, you have an install bootable drive, like an optical drive. But bit 2 bit ...
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2answers
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Is there a way to power down a USB device using software?

Is there a way that I can power off a (specific) USB device completely using software from a Linux machine? I want to use this to power off (so that the LED is off) a (single) USB stick. Do you know ...
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592 views

ASUS X551M won't come on and does not charge too

My ASUS X551M shut down itself and won't come on. It does not even take power when i plug in charger. It shut down itself when i plugged in a flash drive in one of the ports which i later realized is ...
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Netbook won't start after startup with USB attached

I started my Toshiba Netbook up with a USB flash drive attached, and it messed up the startup process. As soon as I realized my mistake, I stopped the process (I think I just turned it off), took out ...
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1answer
35 views

How to create USB flash “.bin” image in Linux without physical drive

I have some files under Linux, which I have to copy to multiple SD-cards under Windows periodically (not bootable, but with file permissions, filesystem ext3). Now the procedure is: I copy files to ...
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1answer
3k views

USB Drive access denied in Windows 7

I have this new flash drive in my office Win 7 machine where I am unable to copy files/folders. takeown /F E:\ says Access is denied and when I try to change/add users in the Properties> Security > ...
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Cannot make MHDD bootable from pendrive using windows 7

I downloaded an MHDD iso file and tried to make my USB bootable of the same using power ISO.But the mission failed.Why its not able to make the pen drive bootable?
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1answer
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“Weak bits” test for flash drive?

Flash memory has a limited number of write cycles. In a recent question, @Rsya Studios discussed problems with reads affecting neighboring bits, which is correctable up to a point. Neither of these ...
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1answer
989 views

San Disk Cruzer 16G USB detected as local disk

I have a SanDisk 16G pen drive. It is not being detected as Removable drive but as a Local disk. I have tried formatting it with FAT32 but it didn't work. How do I change it back so that it is ...
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2answers
4k views

Folders visible on flash drive, but no files

For no apparent or obvious reason, the files of my usb-flashdisk (32gb) are not visible/gone. The drive is located, I get an 'autoplay' dialogue and all the folders are visible, but all the files ...
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How disable mac snow leopard creating .Spotlight-V100 and .Trash folders in USB Flash Drivers?

Everytime I put a USB Flash Driver the Mac OS X creates 2 folders .Trash and .Spotlight-V100. Is it possible to disable this operation?
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How Can i stop my pendrive from keeping creating shortcuts?

My pen drive keeps creating shortcuts of everything I store in it, and moreover, I can't even delete those shortcuts, they keep coming back! I have reformatted it. It's still not working. What should ...
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Assign permanent drive name to USB (across different computers)?

Some of the shortcuts on my flash drive need the drive to be assigned to a specific name, and I need to access this across several computers. Is there a way that the flash drive's drive name can be ...
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1answer
61 views

Fix an unusable flash drive

Make a bootable Windows10 32 bit flash drive (size 4 GB) but it does not seem to be working. How can I restore it to its original factory state and make it a bootable drive? Thanks! Things I have ...