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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249 views

USB sticks not accessible & system hangs at shut-down: related older hardware?

Please notice the two updates at the end of the post. Original problem I installed Lubuntu 14.04.1 on an older Acer Travelmate 4500 using the forcepae option and adjusting upowerd.py according to ...
4
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468 views

Conexant Modem running under Ubuntu 12.04 LTS

I've bought a USB 56k Dailup-Modem for using HylaFax later on. The Modem gets recognized by the system via lsusb as follows: Bus 006 Device 002: ID 0572:1329 Conexant Systems (Rockwell), Inc. But ...
3
votes
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401 views

USB hard drive not showing up under /dev/

I'm running Ubuntu 14.01 on a BeagleBone Black with LXDE. I have a USB hard drive that auto mounts (a prompt comes up in LXDE and I have to enter my password) if I connect it after the computer have ...
3
votes
0answers
317 views

14.04 - USB microphone speaker device not working anymore

I own a PJP-20UR web conference microphone speaker, I have been using this USB device for ages with Linux, Windows, Mac never ever have had any issues with it. Since I upgraded from Ubuntu ...
3
votes
0answers
911 views

External PCIe USB 3.0 Controller NEC Corporation uPD720200 not recocnized since the upgrade to 14.04

I use an external USB 3.0 PCIe card. It used to work like a charm on 13.10. But ever since the upgrade to 14.04 hot-plug doesn't seem to work any more. It used to work before. Only when this card is ...
3
votes
0answers
2k views

What is the state of the Ubuntu USB 3.0 driver

I have a device, that over USB 3.0 enumerates as a speaker and a microphone (two interfaces, each with a single endpoint) under Windows 7. However, under Ubuntu 13.04, only the speaker shows up. How ...
3
votes
0answers
490 views

xubuntu 13.10: automount usb sticks

I have a freshly installed Xubuntu 13.10 on the Lenovo T520 laptop. In the Settings Manager — Removable Drives and Media I have the Mount removable drives when hot-plugged and Mount removable media ...
3
votes
0answers
251 views

Ubuntu-touch reverse USB tethering

I'm trying to get internet from my Nexus 4 ubuntu-touch through the usb as described here: https://wiki.archlinux.org/index.php/Android_Tethering (this is for Android) What I cannot accomplish is to ...
3
votes
0answers
420 views

Fujitsu S1300i advances document but doesn't scan

I'm using a Fujitsu ScanSnap S1300i. sudo sane-find-scanner (using sudo as a temporary workaround to minimise any permissions problems) returns: found USB scanner (vendor=0x04c5 [FUJITSU], ...
3
votes
0answers
3k views

USB 2.0 port does not work, USB 3.0 ports do work, running Ubuntu 13.04

I have 3 USB3.0 ports and 1 USB2.0 port on my Laptop (w230st clevo). Unfortunately,the USB2.0 port does not work, despite being shown on lookup with lsusb, output shown below. Strange is, that lsusb ...
3
votes
0answers
194 views

Why does an external USB hub show up under different USB bus/port numbers than other devices plugged into the same port?

I'm working on setting up a system where I want to have certain devices always named the same way when they are plugged into certain ports. I originally set up a udev rules file with the devices ...
3
votes
0answers
234 views

Installing Fritz Wireless USB Adapter

How do I install a Fritz USB wireless adapter on Ubuntu so I can access the internet? I have the software required, but I am not sure what to do next. Ubuntu version 13.04. Output of lsusb: ...
3
votes
0answers
595 views

wifi usb dongle detected but no wlan interface

I'm using ubuntu 12.04. When I insert my philips PTA01 usb wifi dongle, in dmesg i can see: [ 1181.535290] usb 2-3: new high-speed USB device number 4 using ehci_hcd [ 1181.684074] usb 2-3: New USB ...
3
votes
0answers
2k views

USB pen drive is detected in Windows but not in Ubuntu

My Sony pen drive gets detected in windows but I cannot find it on my Ubuntu. I formatted the drive with FAT,FAT32 and NTFS but the same problem. I went through FAQs but did not find anything helpful. ...
3
votes
0answers
62 views

cherry st1044 not recognized in ubuntu 12.10

I cannot get Ubuntu 12.10 to recognize my Cherry ST1044 smart terminal reader. The terminal shows the PCSC software is installed but "no service" is also displayed in the terminal.
3
votes
0answers
2k views

Getting DVI to work through Lenovo USB Port Replicator in 12.10: Instability and getting it to use xorg.conf file

Setup: Computer is a Lenovo Thinkpad SL500 using the USB Port Replicator running LiveCD for Ubuntu 12.10. Computer has USB attachment to port replicator. Port replicator has DVI to HDMI convertor ...
3
votes
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341 views

USB2VGA device not listed as output device

When I type xrandr the usb2vga device "Magic Control Technology Corp. (USB2VGA dongle)" does not show up. A reboot with the device plugged in doesn't change it. The kernel.log shows that it has been ...
3
votes
0answers
591 views

Unable to connect to the MTS Mblaze usb

PCEH25EN:~$ sudo apt-get install wvdial E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is ...
3
votes
0answers
5k views

How do I format or partition a read-only USB drive?

Whenever I try formatting my Sandisk Cruzer Glide 16GB, I get this error message on Gparted. GParted 0.11.0 --enable-libparted-dmraid Libparted 2.3 Create Primary Partition #1 (ntfs, 14.42 GiB) on ...
3
votes
0answers
442 views

How do I share USB VFAT Drive with other users?

I want to share pictures between my wife and me, on an external USB drive. The OS is ubuntu 12.04. The drive is a Western Digital 500 GB and sudo blkid /dev/sdc1 return LABEL="My Book" ...
2
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199 views

Android phone does not appear in lsusb after entering “downloading” mode!

I've been trying to use Heimdall to install custom ROMs on my Samsung Galaxy GT-i8190 (Galaxy S3 Mini), but running sudo heimdall detect Gives ERROR: Failed to detect compatible download-mode ...
2
votes
0answers
27 views

How Do I move an Ubuntu GNOME OS from a USB to an HDD?

I Have Ubuntu GNOME installed on a 32GB SanDisk USB. I am looking at bringing my OS over to an HDD. Not duplicate of How to move 12.04 from USB to HDD? This is my file system: How do I bring ...
2
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0answers
229 views

Xubuntu 14.04 Automount ext4 USB Stick as root

I recently formatted my new Sandisk USB Stick with linux from the default FAT32 to ext4. Unfortunatelly, when Thunar Automounts the stick, it is mounted as root and not as the current user, so if I ...
2
votes
0answers
113 views

Unable to use webcams

I have 3 webcams attached to my laptop for a c++/opencv project and my program crashed. Now it keeps giving warnings that "device or resource busy". I suspect this is a OS level error. Is there any ...
2
votes
0answers
108 views

How to distinguish between identical USB's

I have this system where I have 8 USB RFID readers which I would like to distinguish from one another. Here's a snippet from lsusb Bus 002 Device 011: ID 05fe:1010 Chic Technology Corp. Optical ...
2
votes
0answers
132 views

Possible to “electronically disconnect” the fingerprint sensor on my laptop? // X41 Thinkpad

I'd like to fully disable the fingerprint sensor on my IBM X41 Thinkpad. The first place to look which comes to mind is BIOS (version 2.09, 74ET64WW): I just checked again: as far as I can tell there ...
2
votes
0answers
98 views

Building NAS Server and Need Guidance

I'm building a NAS and using Ubuntu as the OS. I have a few questions and need some guidance on what direction to take. I know I am asking many questions, if you can only answer one of them please ...
2
votes
0answers
204 views

Wired USB Ethernet Connection disconnecting sporadicly

first, I'm not a Linux Pro, so please forgive me if I write any nonsence :) So I have quite an unusual constellation. I'm running a Ubuntu 14.04 Virtual Machine on my Mac Pro using VMWare Fusion 6. ...
2
votes
0answers
978 views

Ubuntu 14.04 installation crashes with “???” message after selecting drive

The Gist: I have been trying to erase my disk and install Ubuntu 14.04 LTS on my laptop as my sole operating system. I can boot "Try Ubuntu" or "Install Ubuntu" from a USB stick. During the graphical ...
2
votes
0answers
414 views

Mount usb to serial adapter CANBUS and can-utils ubuntu?

I have this adapter and I'm trying desperately to mount in in Ubuntu so I can use can-utils to monitor the device but I'm failing. I'm trying to communicate with a serial to can-bus adapter in 14.04 ...
2
votes
0answers
93 views

How can I configure my USB sound card with KDE tools?

I have a USB soundcard which is detected by the system (as output in /proc/asound/cards and by lsusb). However, it is not selectable in KDE settings. It shows up in the list of sound cards, but is ...
2
votes
0answers
184 views

Getting two USB devices to run on different buses

My objective is to get two webcams streaming simultaneously on my computer. Because of bandwidth limitations of the uvcvideo driver (or see bottom of UVC faq), I need the two webcams to be on ...
2
votes
0answers
158 views

Assigning ehci-pci to an Epson V33 scanner instead of xhci_hcd

I have recently installed Xubuntu 14.04 on two computers. Computer A is a DELL Aptitude E5430 laptop, whereas Computer B is a home-mounted desktop, with an ASUS H87-Plus motherboard. I have been ...
2
votes
0answers
93 views

A reliable way of creating a bootable usb in kubuntu?

Unetbootin installs grub which then boots the system you specify. I don't like that. Linux live ISOs are directly bootable and usually contain a pre-configured grub install of their own which among ...
2
votes
0answers
80 views

Is there any kind of relationship between Windows and Ubuntu installation?

I've just experienced incredibly weird behavior in Ubuntu. I've written lately some questions here regarding my shitty tablet not working correctly in Ubuntu 13.10 . I've left it that way having it ...
2
votes
0answers
750 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 ...
2
votes
0answers
124 views

Ubuntu 13.10 rdesktop issuse with local printer

I have a Ubuntu 13.10 32-bit installed on my machine. I am using rdesktop to remote into a Windows 7 Pro 32-bit machine. I have a local printer that is connected via USB to my Ubuntu machine. The ...
2
votes
0answers
57 views

How to re-initialize a USB drive after it had been disabled due to overcurrent?

I occasionally get a device descriptor read/64, error -71 on a permanently connected USB drive. It's powered by a single port, so I figure the reason for that is overcurrent and I should think about ...
2
votes
0answers
113 views

External HDDs don't appear until unplugged and plugged back in

I'm trying to use my Ubuntu computer as a file/media server, and I have four removable HDDs plugged in. After a fresh boot, two of them mount, or appear in fdisk or /dev/sd*, but they do appear in ...
2
votes
0answers
186 views

Dual boot Windows 7 & Ubuntu 13.10 wifi problems

My dual boot W7 & Ubuntu 13.10 system with ASUS PCE-N15 wireless card (on channel 1) will connect to Verizon Mifi 2200 while in W7 but not in Ubuntu. Software requests password but after entering ...
2
votes
0answers
264 views

How to run Code::Blocks from a USB Flash Drive

I have been using Code::Blocks IDE for quite some time, and I have had no problems with it until now. I have recently decided to move almost all of my programs onto a USB for portability. Eclipse ...
2
votes
0answers
256 views

rs232 to usb not working

I have a konig rs232 serial to usb adapter (no FTDI chip), but when I try to connect to a cisco switch/router (via Putty, screen, minicom....), sometimes it just shows nothing (But it is connected ...
2
votes
0answers
129 views

INCONSISTENT usb write/copy speeds; cache problem?

Foremost, slow USB write/copy speeds seem to be a hackneyed topic. But this issue is one I've not seen presented elsewhere. Thanks for showing this novice your support. I'm copying the same .iso ...
2
votes
0answers
87 views

please tell me correct way to use usb_modeswitch in ubuntu saucy

I have one mobile router "hw0-2e". (https://www.nttdocomo.co.jp/product/data/hw02e/index.html )(japanese only) I want to use this by usb connection as my pc is desktop and no wifi. I know this one ...
2
votes
0answers
235 views

Ubuntu 13.10 USB Installation does not give Installation Type window

RETYPED FOR MORE INFORMATION I tried to install Ubuntu 13.10 (removing Windows and replacing it with Linux), but the window that asks if you want to Format the Drive, Install Alongside, or Something ...
2
votes
0answers
228 views

Apple aluminium keyboard hub is supplied to little power

I have an Apple aluminium keyboard with an integrated hub. On Mac OS X, I'm able to connect both my mouse and a USB pen drive while on Linux, the power limit is exceeded when connecting more than one ...
2
votes
0answers
178 views

Canon MP600 USB-connected Scanner is not recognized by sane-find-scanner

I have a Canon Pixma MP600, which is supported by xsane with pixma backend. I have Xubuntu 12.04, this is the result of sudo sane-find-scanner -v command: searching for USB scanners: checking ...
2
votes
0answers
513 views

Ubuntu doesn't find USB device

I have an Beagle bone black connected via USB after installing some software ssh didn't work any more. Somehow the USB device is not recognized any more at all. I did try to connect my Samsung Galaxy ...
2
votes
0answers
1k views

Crashing system - how to xhci_hcd unload and only allow ehci_hcd in Ubuntu 12.04, 13.04 for debug some usb hardwares

I have few USB hardware who is using 500mA (5V) power, after reserching found that external power supply or hub was the solution but that was a waste of time, even doing external power the problem ...
2
votes
0answers
964 views

USB Ports not Recognizing Devices?

I have a particularly odd problem, that I can't seem to solve. I recently just booted Ubuntu 12.04 LTS to my Desktop, the strange thing about it is, that only the USB 3.0 ports on the front recognize ...