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

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VirtualBox: USB device is busy with the previous request

I want to use my pendrive on Arch Linux that is currently on VirtualBox. My host system is Windows 10. I've already added a USB device filter, but Arch doesn't see any USB disk. When I try to connect ...
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887 views

Why does it take so long time to permanently delete files from a USB drive?

I'm deleting a Python installation folder (12000 files, 256 MB) from a USB flash drive, using Windows. It is currently expected to take 40 minutes. Why? I thought it would be enough to change a ...
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2k views

How to use an old Kingston DataTraveler Vault Privacy USB flash drive on Linux?

My company provides me a DTVP with hardware AES encryption two years ago and the CDrom image does only contain tools for Windows and MacOS X. Kingston products now have support for Linux. Current ...
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38 views

sdcard performance bottleneck

I have loaded my 4 GB FAT32 sdcard almost entirely with mp3 files. Now, I cannot remove none of them because "discovering items" never ends. Even command line tools last forever, including format e:. ...
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291 views

Do flash-drives/memory-cards fail silently or is there a warning/error?

Scenario Currently, my various data files (the files I create myself and are thus irreplaceable), are spread out over several directories on a couple of system. I want to consolidate them all into ...
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780 views

No power save on external hard drive - How to implement?

I recently bought a new 3.5" USB external hard drive which I thought had a power save feature on it, but it turns out that it doesn't. So whether it's being used or not, it spins, which wouldn't be a ...
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44 views

Cannot view usb flash drive on My Computer

On my computer, I use Windows 7 and I'm unable to read any USB flash drive. When I insert the USB flash drive, it does appear on Device Manager and on Disk Management but when I check on My Computer, ...
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51 views

How to reduce I/O operations to a flash drive?

Background I often use different computers, and for that reason I like to aways keep with me a flash drive with my home directory, with my bash aliases and helpful functions, vimrc, Homebrew ...
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268 views

Trick Windows 7 into downloading a repair disk without an optical drive

I have, over time, encountered numerous problems which have caused me to repair/restore Windows 7. I don't have an optical drive installed on my system which causes me various issues including not ...
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48 views

Boot of the Ubuntu not recognize pendrive

I'm using Ubuntu 4.14 on my notebook Samsung NP270E4E, I gave permission for 0777 "etc" folder (which I should not have done), then want to re-install ubuntu 14:04 in my notebook, the problem is that ...
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243 views

OpenWRT and USB write cycle limit

Background (feel free to skip) I am currently usin OpenWRT at home. I have an external HDD connected to router's USB port for the network shared storage. Actual transfer speed from the HDD to the ...
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49 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
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358 views

Why can't I suspend Ubuntu 14.04 (running from USB3) anymore?

I'm running Ubuntu 14.04 on an USB3.0 stick (Sandisk Extreme 64gb, both /root and /home are on it) as my portable development environment, mostly on an Asus N56VZ laptop. Recently, Ubuntu fails to ...
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114 views

USB is read only when not used with my computer

I have a 32GB Sandisk USB flash drive that works great, except for when it is not used ony MY user and MY computer. If I use it on any other computer, user, or even a Live USB, it is mounted as read-...
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178 views

16GB USB flash drive turned to 1GB after writing an ISO image onto it

I have a 16GB flash drive for almost seven years. It was all good before not long ago, when I tried to write a Ubuntu image onto it. I made it many times before and had no issues about. But this time, ...
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2k views

Pen drive has a write-protected issue

My pen drive has become write0protected. Even when I am trying to format it is giving write-protected problem. I tried many solutions I found on the internet, but all failed. Here are my pen drive ...
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3k views

USB flash drive is not detected in Ubuntu 12.04

I have 15GB Kingston flash drive. It is not detected in Ubuntu 12.04 and remains hung up in Windows too. sudo fdisk -l output: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The ...
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Create a Virtual USB disk drive and connect it to Virtual Box

I have created a virtual USB removable disk using imdisk http://www.ltr-data.se/opencode.html/ using commands http://diddy.boot-land.net/firadisk/files/imdisk.htm (eg. imdisk -a -s 2104515b -m R: -f ...
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202 views

Linux bootloader on USB-stick, load different kernel depending on hardware

I'm experimenting with a setup where I keep my kernel and initrd on a USB stick, and thus I can keep everything on the actual computers fully encrypted. Nothing is stored in clear text, and nothing ...
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167 views

Windows 7 on bootable flash

I have two quick questions, I used the Windows USB tool to put ISO on my flash drive, but it made me delete everything first. Do you know why this is? Also, once I have Windows on there, is it okay ...
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114 views

Low level table creation on a USB memory stick

I have been scammed by a USB stick supplier. The file table is incorrectly set up to show the size you think you purchased. When you try to write to the device, it seems to work as the directory shows ...
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3k views

Installing Chrome OS on HP Pavilion

Trying to install Chrome OS on HP Pavillion tx1000. I changed the BIOS to boot from USB before hard drive, and created a bootable USB drive (SanDisk Cruzer 4GB). No matter how many ways I try to make ...
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175 views

Disable auto-open for a specific device

When I insert a flash drive, always is opened a new window of nautilus showing the content of the flash drive. Is there a form to deactivate "auto-open" option for a determinate USB device? Thanks!
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unetbootin (syslinux?) — adding memtest86 to my bootable USB drive

The only way I have been able to reliably load a windows install disc onto USB is using Unetbootin and a FAT32 formatted drive. I do this because it is significantly faster to install windows this way ...
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USB Hub requires “Scan for hardware changes” to detect my USB HDD

I have two hubs (let's call them D-Link and Amazon) and two devices (a USB stick and a USB HDD), and I've noticed the following: Plug the USB stick in the D-Link hub: Detected immediately. Plug the ...
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Can I boot an Acer Power S260 from a USB flash drive?

I have an Acer Power S260 which I am trying to boot from a USB flash drive to install a Linux variant. There are options in the BIOS for booting from USB-FDD, USB-ZIP, and USB-CDROM, but not from USB-...
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19 views

USBSMC history on a Mac

How do I find the USBSMC history on Mac if it was cleared from the console? I am trying to see devices previously connected with date stamps. The operating system is El Capitan.
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31 views

Cannot write to USB drive in Win 7

My company computer is Windows 7, anytime I try to use a third-party software program to write to a removable USB flash drive, I get an error below. "Cannot write to Drive F:. Access is denied." ...
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29 views

having troubles booting yumi multiboot on my windows 10 pc with a sandisk ultra usb 3.0 flash drive

I have been trying to multi-boot Linux distros on my MSI WS60 Windows 10 pc with a new 64gb Ultra 3.0 SanDisk flash drive. I have tried to troubleshoot the fast boot with Windows 10 and format the ...
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44 views

USB Drive Only Detected If Connected At Boot

I'm running Elementary OS, a Linux distro based on Ubuntu. My computer would only detect a USB device (including USB flash drives, portable hard drives, graphic tablets, etc.) if it is connected ...
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17 views

Detecting new USB devices with bash?

I'm writing a bash script that needs to detect when a usb storage device is inserted and assign it to a variable that would otherwise, typically look something like: usb=/dev/sdb. I have a few ...
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33 views

Can a live USB be “partitioned” so I can use it for both normal files AND an OS?

I normally use a USB for carrying files around, like anyone. However, I'm now also carrying a Linux distro around on a live USB to boot from. Is it possible to combine these? The USB is 16GB, so it is ...
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26 views

Ubuntu: Computer/Properties drive size doesn't match disk/partition size

I have ubuntu installed on an 8GB USB stick. When I look at it with GParted, it says I have 3.94 MiB unallocated, and 7.31 GiB allocated to my dev/sdb1 partition. It also says that of that 7.31 GiB, ...
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152 views

Why does the FreeBSD kernal crash on UEFI boot?

I recently downloaded the FreeBSD 10.2 distribution from the official website; I used the 'FreeBSD-10.2-RELEASE-amd64-uefi-memstick.img.xz' file. I used MS ImageWriter to image a USB and proceeded to ...
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135 views

USB flash drive not functioning after interrupted file transfer

I have a 16GB Toshiba USB flash drive that stopped functioning correctly after an interrupted file transfer (took it out while it was transferring files on a Windows machine). Windows recognizes the ...
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36 views

See a drive's default letter assignment

A drive is not always assigned the same letter. For example, in case of multiple concurrently connected flash drives, a flash drive's assigned letter will depend on the order that they were connected. ...
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240 views

How to calculate Over-Provisioning on an SSD - Which Method do you use?

QUESTION SUMMARY: Is overprovisioning based on a percentage of the original user accessible physical space availble (METHOD #1) OR is it based on unallocated space divided by allocated space (...
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57 views

Windows 7 boot error - nothing boots up

When I came to my computer it was with a BSOD. After I rebooted, Windows started showing that error message where you have to put the installation CD to fix it/boot. "Windows failed to start. A ...
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228 views

Eject USB drive using the explorer

When I right click a drive in the This PC view which is associated with an SD card I have the option in the context menu to eject it. If it is associated with a USB flash drive this option doesn't ...
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101 views

USB flash drive connects randomly / only sometimes

So this problem keeps reoccurring even on new flash drives, and I can't stand it. I have some usb flash drives, and whenever I try to connect them to my laptop (triple boot, so no OS specific), I have ...
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148 views

How best to manage mapping drive letters?

I have the below configuration on my home computer: C: Operating system (Windows 8.1) D: SSD (quick scratch drive) E: Large HDD (large storage) F: Optical drive I: NAS storage directory #1 J: NAS ...
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76 views

USB HDD replace by “ubuntu” in boot order

After installing Ubuntu, it seems that USB HDD has been removed from the boot configuration entries. In the GRUB Boot Menu, I only see: ubuntu Windows Boot Manager SATA HDD: SATA CD: USB CD: USB ...
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116 views

Can a rfid / contactless reader damage a USB flash drive?

I own a very small usb flash drive I like to carry in my wallet but recently I started using contactless cards (bank, transport) and I'm worried the induction power readers emit might damage / corrupt ...
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30 views

External Drive Detected but not Recognized

I have a 32 GB Kingston USB 3.0 pendrive which had write permission problems. After searching around and trying a USB Low Formatting Tool which never managed to get past 30%, I used the command line ...
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88 views

Windows detects all flash drive file systems as RAW

My computer that's running Windows 7 detects all flash drive file systems as RAW, and thus shows an error message to format them as soon as they're plugged in. I tested all the flash drives in other ...
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130 views

USB Drive not working with Windows 7. Works on Linux and Windows 8/8.1

I have a USB thumb drive (PNY 128GB) that works fine with Windows 8/8.1 and with Linux, but does not work on Windows 7. Doesn't show up at all. I have tried formatting it in both Win8 and Linux (...
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Changing drive names in windows 7 won't stick

Tried the Admin Tools route, tried right-click "Rename" over the drive icon and also tried this method, which as far as I can tell, does not really rename the drive but the usb port where it is ...
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551 views

files in usb drive are not hidden but not showing

I copied some hidden files from another computer and when I open them in my computer I noticed that a folder is missing. But my computer shows that folder's space is taken. When I set to show hidden ...
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148 views

Corsair USB Flash Survivor Stealth USB 3.0 speeds not working in Ubuntu Linux 14.04.1 LTS (Recognizes as a USB 2.0 device)

I'm finding that a Corsair USB Flash Survivor Stealth (USB 3.0 capable drive in Windows 7 with 200 MB/s Read speed) only connects at USB 2.0 speed in Linux (Ubuntu 14.04.1 LTS). Watching the /var/log/...
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How to repair corrupt pendrive?

I have an HP pendrive of 16GB. One day my little brother tried to make a bootable Hackintosh using that pendrive and we had a power cut when the write process was going on (my brother was using Mac OS ...