Storage drives connected by USB devices known otherwise as flash drive, USB stick, USB key and thumb drive. Also includes larger storage devices such as portable hard drives.

learn more… | top users | synonyms (1)

20
votes
3answers
30k views

Verifying USB connection speed (USB 3 or USB 2?)

I've purchased several new USB 3 capable drives to use with my new (USB 3 capable) laptop. They connect ok but I suspect they're silently falling back to USB 2. The sustained transfer rates I'm seeing ...
17
votes
1answer
33k views

Why Do Some USB Cables Have Two USB Connectors at the End?

I've recently bought an external hard drive enclosure and it had arrived with an USB cable, with one USB connector on one side and two on the other. Why do some USB cables have two connectors while ...
16
votes
2answers
761 views

Is it safe to remove USB media when a computer is suspended?

We are often cautioned against unplugging USB drives in case it is currently being read from or written to. When a computer is suspended, hibernated, or asleep is it obviously not writing any data; it ...
13
votes
1answer
352 views

Recovering data from a broken memory stick

I have a memory stick that isn't being recognized by multiple computers and the light which usually comes on doesn't anymore so I assume it is broken. The problem is that there is some important data ...
10
votes
5answers
2k views

How to “eject” non-existing USB drive from Windows 7 host?

I use a USB key which is encrypted with BitLocker to store various data. I keep that key with me all the time. What happens all the time is that I send my home computer to hibernate without ...
9
votes
2answers
20k views

How can I mount an EXT4 USB drive on Windows 8?

I have a USB drive formatted as EXT4. How can I mount it in Windows 8? Ideas on other workarounds are appreciated as well!
9
votes
2answers
7k views

How to see if USB stick has MBR?

I have a USB stick supposed to be bootable, but the computer does not boot it. I suspect that there is no MBR (Master Boot Record). How do I test if this is so, preferably from command line in ...
9
votes
3answers
8k views

What does the “open as portable device” option in Windows do?

I just bought a new USB stick, and when I plug it in and open My Computer, the context menu for the USB stick has an option "open as portable device". Clicking it opens a new window that just seems to ...
8
votes
1answer
5k views

How to share a folder as an USB mass storage device (from a raspberry pi)

I'd like to do something quite simple ... in my mind. I've got an "old" photo frame with an usb port and SD card slot (but without networking) that I would like to keep in sync with my NAS "Photo ...
8
votes
3answers
12k views

how to write protect a USB key?

I'm looking for a solution to write-protect the contents of a USB key. The idea is to prevent its contents from being inadvertently removed by the user or changed by malicious programs -- not to ...
7
votes
2answers
8k views

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 ...
7
votes
2answers
579 views

Mount drive at /Volumes/NAME/ or similar in Cygwin

I'm using Cygwin on Windows 7. When I plug in an USB stick, the drive automatically gets mounted to /cygdrive/x . This is good and really easy to use. My problem is that the drive letter changes ...
7
votes
2answers
843 views

How to identify USB-sticks that will appear as non-removable before buying?

For a home lab project, I'm going to install Microsoft Hyper-V Server 2012 on a USB-stick. The process is described in this guide (for Hyper-V Server 2008 R2, but also works for 2012): Deploying ...
6
votes
9answers
3k views

How do I quickly copy 900,000 files?

I need to copy some data that includes 900,000 tiny files totaling around 30 gigabytes to a windows computer. However, it needs to be able to be copied and set up in under an hour and a half, and it ...
6
votes
2answers
272 views

Are usb pendrives/sticks random access?

Do USB pendrives/sticks have random access (i.e. accessing one block will take equal amount of time, regardless of the previous block read) characteristic?
6
votes
2answers
959 views

is it safe to unplug a USB drive while Windows is in sleep/hibernate/off mode?

I have a portable USB flash drive that I use with my netbook. When I'm on the go, it is convenient to be able to simply close the lid and remove my flash drive without first having to use Windows's ...
6
votes
1answer
2k views

What is and how to increase the maximum number of usb devices?

I'm wondering what is the maximum number of USB devices the Linux kernel can manage? Does this depend on the root-Hub or something else, too? Is there a way to increase this maximum number? I need ...
5
votes
7answers
6k views

How do I lower power consumption of my computer

My electricity bills are high and my Dad keeps shouting me for that (I use my computer over 20 hours per day). Below are the few things I am curious to know; How do I lower my Computer Power ...
5
votes
6answers
3k views

Are USB hard drives really reliable enough to backup to?

I've been reading about backup solutions and have come across a number of people saying they use a USB external hard drive as part or all of their backup solution. Are USB hard drives really ...
5
votes
2answers
4k views

How to change the filesystem label on the vfat filesystem located on device /dev/sdb1?

I just followed the instructions here to format my Kingston usb drive http://www.cyberciti.biz/faq/howto-format-usb-pen-drive/ Instead of ext2, I formatted the drive to vfat. I forgot to use the ...
5
votes
2answers
3k views

How to prevent spotlight from searching external hard drives

I have an external hard drive connected to my Macbook Pro that I always leave on. When I use spotlight to search for something, it always searches this drive. I don't want it to do this because ...
5
votes
2answers
878 views

What is the best way to make a flash drive with many bootable things

I want to make a flash drive with lots of bootable things on it, a toolkit of sorts. The list of things that I want to boot on it so far it Hirens Boot Disk Backtrack Linux Knoppix STD Ophcrack XP ...
5
votes
2answers
2k views

I am receiving a message stating “unknown device” when i plug a usb or external hard-drive in my computer.

I am having an issue with USB drives and Windows. When any external media device is attached to the computer in Device Manager I receive the message unknown USB device. This happens with USB drives ...
5
votes
2answers
1k views

Is it worth to buy an external USB SSD drive for my laptop to increase performance?

I'm a programmer, and I use Eclipse for Java development. Recently I've installed an internal (SATA) SSD drive on my home machine, transferred Eclipse installation and project to it and noticed a ...
5
votes
5answers
6k views

Starting scheduled task by detecting connection of USB drive

I know it has been discussed before several times that it is not possible to start an application from an usb drive when connecting it due to limitations of autorun (or autoplay??) in Win 7. But it is ...
5
votes
4answers
635 views

Program to convert a laptop in a USB storage

I usually have problems doing networks between two computers I have. My intention is to pass files from one to the other. I was wondering if there is any simple and easy program to install that give ...
5
votes
2answers
7k views

Seagate 3TB ST3000DM001 hard drive not recognized by Linux, causes fdisk to hang

I'm running Kubuntu 12.04. I have a brand new, never used Seagate 3TB ST3000DM001 hard drive. It's an internal drive. I installed it in a USB enclosure. When I connect it to my PC, nothing happens ...
5
votes
4answers
28k views

How can I run Ghost from a bootable USB key drive?

I have a laptop that does not have a cd-rom or floppy drive. It is able to boot from USB though. I have a disk image (ghost) of the disk that I need to restore back onto the laptop. I can't find a ...
5
votes
2answers
273 views

Why does gvim often freeze when editing files on a USB memory stick?

I'm using gvim 7.2 on Windows XP to edit files on a slow USB memory stick. When other programs are accessing the stick, the editor freezes for several seconds at a time. I have already tried using ...
5
votes
1answer
624 views

USB storage devices no longer recognized after installing VMware tools

I installed the VMware tools within Mac. Since then any USB external storage drive that was once recognized is now not recognized. In Driver Manager I receive this message unknown device. I been ...
4
votes
4answers
6k views

Reusing a USB Boot Drive - Format back to factory state?

I am trying to reuse a USB boot drive (Mac) for regular file storage on Windows ... when Windows detects it, it won't let me reformat to anything greater than a 40 MB or so - and this is an 8 GB ...
4
votes
3answers
5k views

Share external USB hard drive over USB between multiple computers

I want to connect 3 Windows computers (2 Windows XP, 1 Windows Server 2003) to an external USB hard drive via USB. I would like each computer to be able to directly read and write to the HD as if it ...
4
votes
2answers
2k views

How to make bootable USB with Linux Kernel alone?

I would like to boot the Linux kernel alone and run busybox, not including a GUI. How can I do that? How can I make a custom bzImage, initrd.img and how can I change the file structures in that ...
4
votes
2answers
452 views

When I connect 4 USB drives to my PC at the same time, does each slot have 480 Mbit/s?

When I connect 4 USB drives to the 4 available slots on a PC at the same time, does each slot have theoretical 480 Mbit/s or will it be quartered and every port will only have 120 Mbit/s? Does this ...
4
votes
3answers
2k views

Installing an operating system to a USB drive and booting to it - all within VirtualBox

Is it possible to install an operating system onto a USB drive, and then boot to it, all within VirtualBox? Not like putting the virtual disk on the USB drive. Installing the entire OS there so it can ...
4
votes
3answers
1k views

USB devices recognised on Windows 7, but not on Windows XP

In the last week, some of my USB devices have failed to be recognised on my Windows XP SP3 laptop. It first happened with 2 external USB HDD enclosures connected through a mini USB hub. Connecting ...
4
votes
2answers
351 views

Does Mac OS X park the head of a USB drive?

I was wondering if Mac OS X tells my USB hard drive to park its reading head or to spind down or something similar when I unmount it (i.e. press eject in Finder). Any ideas?
4
votes
3answers
303 views

RAIDing flash drives

The other day I had what I thought was a great idea - I could buy up a bunch of cheap USB 2.0 drives and fill up the spaces in my 7-port USB hub for a super-fast RAID device! But in the light of day ...
4
votes
1answer
4k views

How can I remove all drivers and other files related to a USB Mass Storage device?

I have a flash drive here that does not work on one OS on computer - let's call it the desktop Windows 7. It works fine on another computer - laptop Windows 7. It also works fine on Windows 8 on the ...
4
votes
2answers
3k views

Mount external USB drive in Debian Linux to a mount point based on the volume name

How do I configure my Debian installation to mount external USB drives to mount points based on the volume names of the drives? For instance, if I have a thumb drive with the volume name of ...
4
votes
6answers
3k views

Logging into Windows Using USB Key

Is it possible to set up a USB Drive to automatically log into Windows (xp, Vista or 7) without installing any specialist software on the PC? I've had a look at: ...
4
votes
1answer
689 views

Confusing trashes, can't delete stuff

I'm "cleaning" my computer and USB keys and this requires a whole lot of deleting. I've gone though everything on my OS HDD, and now moving on to keys. My trash is initially EMPTY. When trying to ...
4
votes
3answers
843 views

Make NAS appear as a USB drive

My TV can record to USB-storage, which is quite common. What I would like was to record to my NAS instead, where there's plenty of room and recordings can be shared and managed better. So I'm looking ...
4
votes
2answers
2k views

Auto-mount USB drives read-only

I'm currently setting up a laptop for my grandparents to use. They have never used a computer before, so I'm trying to make this as fool-proof as possible. The system will be setup with Ubuntu 10.10. ...
4
votes
1answer
1k views

Ubuntu 10.04 recognizing USB 2.0 external HD as USB 1.1

When I connect the USB 2.0 drive I see this: usb 1-4.3: new full speed USB device using ohci_hcd and address 5 so I know it's getting seen as USB 1.1. usb-devices shows that it really is USB 2.0 ...
3
votes
3answers
281 views

Why are some 2.5 USB boxes limited to some specific capacity?

Shouldn't the drive itself specify the capacity and the case is just an adapter? Example: http://www.amazon.com/SATA-Hard-Drive-500GB-Capacity/dp/B002BFA91C/ref=pd_cp_e_3
3
votes
3answers
15k views

Create an .iso from USB drive [duplicate]

Possible Duplicate: Where do I download Windows 7 (legally from Microsoft)? I have Win 7 on a USB stick, non-iso. How do I get an iso of that?
3
votes
4answers
13k views

Identify file found on USB sticks named “syncguid.dat”

All of my USB sticks now have contain a file named syncguid.dat. They began to appear when I bought a new HP Mini Note and I assume they are created by some of the bundleware that came with it. But ...
3
votes
3answers
7k views

How do I create an Ubuntu live usb using Debian?

I have Debian (Lenny) installation on a Dell Vostro v13. The laptop doesn't have a CD/DVD-ROM drive so the only way for me to install Ubuntu on it is via USB- unless I attach an external CD/DVD-ROM. ...
3
votes
1answer
572 views

USB stick mysteriously become write protected [duplicate]

So, somehow over the weekend, my 1GB USB flash drive has managed to become write-protected. The is no switch on the stick, so I'm concluding that something has corrupted at some point. Obviously I ...