USB is an acronym for Universal Serial Bus. The current USB standard is USB 3.0, which supports transfer speeds of up to 625MB/s. USB devices are plug-and-play.

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USB can't read configurations, error -71?

I'm trying to plug a custom development board based on a Beaglebone Black to my Linux PC. The following is the dmesg error I was able to get (running Ubuntu 12.04): [424595.900132] usb 5-2: new ...
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48 views

USB dock for 4TB Seagate HDD only works with less then 2.2TB of data

I have one of those Seagate 4TB HD and everything went fine using GPT, I could use it normally without any problem. I used gparted to format and create the partition table as ext4. Everything changed ...
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120 views

Can not use Wacom Intuos CTL-480 and Touch Tablet on Ubuntu?

I am extremely new to Linux and just recently downloaded Ubuntu to my Chromebook. I really need to install my Wacom Intuos Pen and Touch tablet but the system can not recognize it. I have already ...
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33 views

lsusb failing when I plug in my build light

Just ran into a very strange problem using Ubuntu 14.04. I am running a build light server and the now when I plug in the build light, it flashes every 10 seconds and my program can't access it (hangs ...
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298 views

My USB 3.0 port doesn't work

Something is very wrong with usb support on Ubuntu. So, I have 2 USB 3.0 ports on the motherboard, along with 4 USB 2.0 ports and also 2 USB ports on my front panel. USB 3.0 isn't working and running ...
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70 views

Load .mobileconfig to iPhone from Ubuntu 12.04 LTS

I'm trying to use Ubuntu 12.04 LTS to create and load *.mobileconfig files (normally created with iPhone Configuration Utility) onto an iOS devices via USB cable. I am having 2 problems. I can't ...
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34 views

Grub2 cannot see my new external USB hard drive, but sees an older one

I am trying to boot Ubuntu-studio (current version) from a new Seagate 2TB expansion USB drive on an old system (PC) whose BIOS doesn't know how to boot from USB. No problems with either the install ...
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206 views

Setting MediaTek (Ralink) MT7601U USB driver

I have MediaTek (Ralink) MT7601U USB, and with their source, but I am user anyone can help how to run this USB Wifi?
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31 views

Disabling constant RTS and DTR on Serial to usb adapter

I am using a Prolific PL 2303 serial to usb adapter and am using Ubuntu 14.04. The problem I am having is when the USB to serial adapter is connected, RTS and DTR are constantly on. This is a ...
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71 views

Micromax MMX377G G USB Modem not working in UBuntu10.04 and 12.04 32bit

Recently I bought a Micromax MMX377G 3G USB Modem cannot install in Ubuntu10.04 and 12.04 32bit Pls help me
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20 views

can't load a usb key formatted on a windows machine

I'm trying to read files off a usb that was formatted as Fat32 on a windows machine. When I plug it into my usb drive, it says : "Could not mount the following disk: USB DISK". And then in the ...
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35 views

How can I automatically reboot machine after usb pull off?

I have this situation - I've got a boot-able pen-drive with Ubuntu 12.04 for automated installation - when I plug the USB stick in installation begins from it. At the end of installation process I ...
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20 views

Cannot save document to usb

Unable to save any OpenOffice documents to usb. Cannot export any Picasa pictures to external hard-drive either. Message says: Error saving the document..... does not exist. .... is file name
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230 views

What is holding my USB device when I try to use it in VirtualBox?

Ubuntu host, XP guest. When I connect the USB device I want to the virtual machine, I get: Failed to attach the USB device Microchip Technology Inc. PICDEM FS USB Demo Board (C) 2004 to the ...
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1k views

USB Port not working for Ubuntu 14.04 LTS

I have recently installed Ubuntu 14.04 LTS on my system. But the usb port does not seem to be working. When I type lsusb in terminal, following is displayed on the screen: Bus 002 Device 114: ID ...
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96 views

How can I add this USB Printer (`/dev/usb/lp0`) to printer list when print command is given in any application?

I have made a USB thermal printer which generates the /dev/usb/lp0 nod in /dev folder. Printing using echo "Test PrintSlip" /dev/usb/lp0 works fine. I would also want to print from text editors using ...
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75 views

getting rid of dialog box when android phone connected

Since upgrading from 12.04 to 14.04, whenever I connect my Android Galaxy SII to my laptop via USB to charge, I get a dialog box that says Unable to mount SAMSUNG Android Unable to open MTP ...
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130 views

USB recognized, but not usable

I booted my computer today and I don't know what happened, but all my USB devices aren't working anymore (webcam, mouse, keyboard, external drive). I can see them being connected through sudo lsusb, ...
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72 views

USB Keyboard/Mouse, Networking broken by kernel update

I recently (automatically) updated all the kernel-related packages (linux-image, linux-headers etc) to version 3.13.0-27.50. I'm using the generic kernel for AMD64. After reboot I find that my USB ...
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408 views

USB 2.0 ports don't work on Sony VAIO S series laptop

I have a Sony VAIO S-series laptop running Ubuntu 14.04 LTS. My USB 3.0 port works but my two USB 2.0 ports do not work. I've read through this thread but could not find a solution to my problem. All ...
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127 views

3 Modems HUAWEI E220 - Finding diferent data to make permanent USB Ports

I Have 3 Modems Huawei E220 USB connected on the same hub in the back USB Motherboard Ports. After they are connected they work very well - no conflicts. When I restart the system, all USB ports ...
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417 views

Ubuntu 14.04 - I/O error during USB installation

I installed Ubuntu 14.04 on a USB using Universal-USB-Installer-1.9.5.2 and I installed the 64-bit version. I want to put Ubuntu on my mom's laptop. We already had Ubuntu on it (v 14.04) but it was ...
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130 views

Auto-mount usb drive on chromebook to use with dropbox

I have replaced Chrome OS on my Acer C720 with Ubuntu 14.04, so far I'm quite happy besides the limited local storage capasity. To remedy this I have bought a 32 GB USB Drive (SanDisk Cruzer Fit) and ...
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33 views

usb keyboard doesn't work in initrd shell

I'm working on a custom initrd that I'm netbooting and need to break into a shell. Unfortunately the USB keyboard doesn't work once it breaks into the shell. It does however work when I netboot it ...
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75 views

USB ports don't work during installation.

I am a new user and I have Windows 7. I tried to install Ubuntu 14.10, I have done it before with success, but my keyboard, mouse and wifi antenna weren't working. They are all connected in USB ports. ...
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204 views

Asus laptop and faulty USB 3.0

I have weir issue with my asus laptop in have only one usb3.0 and it works, sometimes.. sometimes it just dies. $ dmesg | grep xhci_hcd [ 1.488284] xhci_hcd 0000:04:00.0: xHCI Host Controller [ ...
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313 views

Ubuntu 14.04 usb keyboard shift not working

I am using ubuntu 14.04 Yesterday my shift key on my usb keyboard stopped working. The laptop shift key works fine. I have tried the following things to fix the issue but nothing works. restart ...
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144 views

Print hangs to Dell AIO 926

I have a Dell AIO 926 with Xubuntu 14.04. A quick search reveals it is in fact a rebranded Lexmark x3650. After adding the printer and messing around trying to get it to work, I am at a point where I ...
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49 views

writing to an USB optical mouse

On the internet I find a lot of examples of people reading from the /dev/input/mouseX device the dX, dY and status byte from an USB optical mouse. From some research I found out that such an USB ...
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2k views

Ubuntu 14.04 Virtualbox Guest USB Drive Mounting Works For Some Devices but Not Others

I have a VirtualBox ubuntu guest running on a osx host. I've searched the web and implemented the solution for similar problems, but nothing has helped me resolve my issue. When I connect my phone, ...
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85 views

UEFI, NVRAM, and Portable Installed USB Drives

I would like to know how to create a portable installed Ubuntu system that is bootable in UEFI, as opposed to a persistent live system. I think I am encountering problems with non-volitile RAM. I ...
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34 views

Same external drive and file, different md5sum when connected via USB3 vs USB2

I have an external USB3 HDD with an ext4 partition on it. I've been plagued with file corruption issues for days whilst trying to transfer a large (~200GB) file from the drive, and I've finally ...
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85 views

Mounting and reformatting an hpfs flash drive

A while back I downloaded the Ubuntu 13.10 iso and used Linux Mint to make an install disc. Ubuntu 14 came out, though, and I want to create multiple OS installers on that flash drive. In Windows, ...
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72 views

8179 wireless adaptor not working Ubuntu

I am pretty new to Ubuntu. I installed Ubuntu with Wubi on my desktop computer but couldn't get my wireless network working. The adapter is a USB TP-link dongle. It is working under Windows 7 but not ...
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64 views

Keyboard is not configured properly

I have a problem with my USB keyboard not being correctly configured in Ubuntu 14.10. lsusb shows the device as Bus 005 Device 010: ID 0db5:0119 dmesg | tail gives the following: [ 726.852025] usb ...
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1k views

ubuntu doesn't recognize USB disk after upgrade to 14.04

Appreciate any thoughts on this. fdisk does not see the USB drive(s). Was working until I upgraded from 13.10 ->14.04 Dmesg and lsusb show it: > lsusb Bus 002 Device 005: ID 058f:6362 Alcor ...
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111 views

Problems with RS232 cable and the communication

Let me start out by saying that I hope this is the right place to ask. My problem is not purely defined yet and I am hoping you can help me shed some light on what is going wrong. So, the deal is ...
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524 views

USB Keyboard not working in the bootloader, but does in BIOS and OS's

I have Windows 8 and Ubuntu installed alongside on my computer. However, my USB keyboard doesn't seem to work when supposed to navigate the GRUB menu. This was also a problem when i only had Windows ...
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29 views

Ubuntu VM sees a ghost bluetooth adapter?

I am running Ubuntu 12.04 in VMWare on a Windows 7 desktop. I don't have any bluetooth adapters plugged into my desktop. Before I insert any adapters, Ubuntu sees an adapter called "ubuntu-0". When I ...
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108 views

Kingston Datatraveler won't mount in ubuntu 14.04

I try and try and try but ubuntu 14.04 is not recognizing my flash drive. It's a Kingston Datatraveler which has never caused me any problems before until now. Anybody know what to do?
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50 views

USB drive can't be displayed if trash has been deleted

After I deleted the .Trash-1000 folder from my usb drive on a Windows PC, my Ubuntu PC cannot access it anymore and displays the following message: This path couldn't be displayed. Unfortunally, the ...
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43 views

Know all the using USB bus number

I have connected seven different devices to my system. Now I want to know all the bus used by that devices with bus number's and device name. So how can I do this? I have used the *lsusb* command. ...
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555 views

Getting error while using “bluez-test-input connect <device address> yes” command to connect to a serial Bluetooth module

I am using a USB bluetooth dongle on my machine. On the other end, i am having a serial bluetooth module connected to a Micro-controller. On my machine side, i connected and installed my usb-bluetooth ...
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72 views

How do I get my windows phone to recognize my media?

I recently bought a windows phone, a nokia lumia 920, and am running ubuntu 13.10 on my laptop. When I connect the phone via usb, it recognizes it fine, and I can navigate the phone's folders, and ...
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73 views

USB installation

I am trying to install/live run Ubuntu 12.04.4 on Sony Vaio TGZ laptop. I've downloaded the ISO from the Ubntu website. Formatted a 16gbit USB drive as 32bit FAT. I've downloaded the UUI and run it ...
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133 views

Install Ubuntu Server 12.04 from Bootable USB Error Loading Installer Components from CD

I have the same issue listed in this question: USB drive install of Ubuntu 12.04 Server fails - can't find components from CD-ROM My issue differs because I have attempted all of the suggestions ...
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59 views

problem in booting Ubuntu along side another SSD got ubuntu

Hey guys i have the following problem: I have a USB 3 USB flash 240GB. When i try to boot it alongside Kingston SSD 240GB i get the following error: http://i.stack.imgur.com/UvprB.jpg But when i ...
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230 views

Problem with disk unmounting on sleep and mounting on wake

I use a HTPC with XBMC on Lubuntu 13.10 (32 bits) to watch My DVDrips from an external USB HHD, the problem comes when I put the computer to sleep from between XBMC and then I wake up the system then ...
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20 views

usb runtime power management

I am doing the usb runtime power managenet on omap processor. I want power off the usb port if the no usb device is connected to the usb port. If any usb device is connected, the usb port power ...
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91 views

Loud Beep Occurs Whenever I plug in a USB Drive (and Other Related Anomalies)

Not much of a forum guy, but after weeks of troubleshooting and searching, I haven't resolved this issue. Basically, I have a 500GB 2.5" SATA drive that I keep in an enclosure, which is attached to my ...