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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467 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. ...
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181 views

Lenovo T440p Docking Station USB only works half the time

I've recently bought a Lenovo T440p and have realized that usb devices connected via its docking station do not connect if I boot the computer while it's plugged into it. When I boot the laptop when ...
4
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2k 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 ...
4
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700 views

Fujitsu S1300i advances document but doesn't scan

I'm using a Fujitsu ScanSnap S1300i. Using sudo as a temporary workaround to minimise any permissions problems: $ sudo sane-find-scanner found USB scanner (vendor=0x04c5 [FUJITSU], product=0x128d ...
4
votes
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297 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 ...
4
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694 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 ...
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81 views

My Laptop has USB 3.0 but Ubuntu 14.04 doesn't recognize it?

I have two USB 3.0 ports in my dell inspiron 5421 laptop . The ports marked as SS meaning super speed. But when I run the command lspci -t this is the output /: Bus 02.Port 1: Dev 1, Class=root_hub, ...
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43 views

File transfer rate to USB stick is totally variable

I just rebuild my old desktop, which is now running Lubuntu 15.04, and tried to transfer a 1.3GB file into my 8GB thumb drive. I was immediately reminded of a problem that has plagued me for a long ...
3
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75 views

Is it possible to add a network interface to Ubuntu 14.04 LTS Server Installer

I am currently trying to setup an unattended usb installer for my company (using ks and preseed) using Ubuntu 14.04.3 Server LTS. We purchased the Dell XPS 13 (9343) (no onboard nic) with the Dell ...
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141 views

USB device is not recognized on HP laptop with Ubuntu 14.04

I am trying to connect a USB braille cell device to my HP Folio 9470m laptop running Ubuntu 14.04.2 (amd64), but it fails with the following errors (from dmesg): [ 1689.038374] usb 3-2: new ...
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5k views

Share internet from PC to unrooted android smart phone connected via USB cable

I am running Ubuntu 14.04 LTS with Windows 7 Dual boot (both 32 bit) in my desktop. I use cable broadband (Ethernet). I have an unrooted android smart phone running KitKat 4.4.2. This device has a ...
3
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12k views

Installing Ubuntu on early 2011 Macbook pro using USB Stick: ''i8042 No Controller''

I have an early 2011 macbook pro. My primary hard drive location has a mac os X yosemite installation. I replaced the optical drive with a secondary hard drive, which has two partitions created with ...
3
votes
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2k 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
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617 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 ...
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1k 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 ...
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314 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 ...
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205 views

Why doesn't gphoto2 trigger in time

I want to remote-controle my DSLR with an Ubuntu-PC and make a timelapse-video. I found out, that i should use gphoto2 for that. But i've got a problem with it.I type into the terminal: gphoto2 ...
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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
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0answers
266 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 ...
3
votes
0answers
671 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 ...
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4k 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 ...
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323 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: ...
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1k views

Slow USB transfer speeds

I am experiencing very slow USB transfer speeds when trying to backup files to a USB HDD. I am not entirely sure when the problem 1st occured but there was definitely a period using 12.04 where ...
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817 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 ...
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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. ...
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72 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.
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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
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476 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
682 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 ...
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592 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" ...
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441 views

How can I make my ubuntu 12.04 act like an external usb hard drive?

Quick breakdown, I have a Roku 2 XS that has a USB port that you can connect a flash drive or external hard drive to. I also have a box running Ubuntu that is the household media storage center. I ...
3
votes
0answers
979 views

ubuntu 12.04 stopped showing every usb devices

Ubuntu was running perfectly, suddenly my internal HDD partitions (except file system) and partitions of external HDD disappeared. I was able to mount the partitions of internal HDD via disk utility, ...
2
votes
0answers
22 views

How can I use my laptop as a Bluetooth input device?

I just got a USB bluetooth dongle, and I'd like to use it to Connect my laptop to my Android tablet as a slave device. and Route input from my USB Xbox 360 controller to the bluetooth dongle. I ...
2
votes
0answers
117 views

Slow and Unreliable Internet with EDIMAX EW-7811Un N150

My internet connection is slow and unreliable. Sometimes pages will eventually load, but other times I will get a server not found message. Refreshing the page often fixes that. Sometimes it takes ...
2
votes
0answers
140 views

Installed Ubuntu from external drive, cannot boot from internal SSD drive

This is my first time trying to install a Linux operating system after reading many interesting exciting articles about it, but I really need some help! I am trying to install ubuntu-14.04.3 onto my ...
2
votes
0answers
317 views

Ubuntu 15.10 no wifi, Bluetooth, USB, sound

I have a laptop dell vostro 3560. It had Ubuntu 15.04, but after a fresh install of ubuntu 15.10, WiFi, Bluetooth, USB ports and sound don't work. I have wired internet connection though. $ lspci ...
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votes
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112 views

USB ports not working - how diagnose problem?

USB ports suddenly not working after computer wouldn't boot properly, for hours. Could only turn off by unplugging. I left it off overnight, but when I turned back on, it can't see USB thumb drives. ...
2
votes
0answers
76 views

USB HDDs are failing with xHCI error. Requiring restart

I have 2 hard drives connected with SATA-to-USB tool. Usually they work fine however some time to time they fail and they don't show up on Disks neither I can see the connection on dmesg. dmesg output ...
2
votes
0answers
107 views

cannot install on asus z97-a 3.1 mobo

I can boot into my usb from my bios, but when i select install or run without install I lose video output. I have tried all of my usb ports and I tried using a usb hub to bring it down to usb 2.0 but ...
2
votes
0answers
37 views

Galaxy 6 phone to use as USB to download ISO?

Have an old laptop that stopped working using fedora one day and now won't boot. The CD/ROM drive on the laptop is also broken...only thing I can do is via USB stick maybe...but now can't download the ...
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votes
0answers
15 views

Trying to turn off auto suspend on wireless receiver

Hello I am trying to turn off the auto-suspend on my wireless receiver, but I do not know the location of the receiver's folder. Here is the output of lshw -c network: PCI (sysfs) SCSI ...
2
votes
0answers
43 views

Ubuntu 32 Bit boot from USB

I'm having trouble getting to boot to 32 bit Ubuntu from a 64 bit machine. Everything I'm reading says there shouldn't be an issue. I've been able to boot from the 64 bit version when installed on a ...
2
votes
0answers
49 views

How to automatically run a script once, after installing lubuntu from a pen drive?

I've got this usb stick I'll send to my sister, and I couldn't put int Ubuntu in it (just little less than 1 gb and few MB short of fitting in 14.04). So I decided to go with Lubuntu. Then, I've ...
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685 views

Making a wifi adapter RTL8192eu work on Ubuntu

I bought a wifi adapter for my raspberry pi, but I have problems making work on raspberry pi. I tested it on a PC running Ubuntu. It has exactly the same behavior, as follows: When inserted, lsusb ...
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votes
0answers
278 views

Missing driver for ASUS USB-N53?

I have a WiFi USB adapter called "Asus N53 Dual-Band Wireless-N600 Adapter". I've tried just sticking it into my (up-to-date) Ubuntu 15.04 computer, but it doesn't work. Syslog: kernel: usb 1-3: ...
2
votes
0answers
112 views

How does network manager identify a connection over usb0?

Here's a thing I'm trying to solve: I have a PC running Ubuntu 14.04 and an ARM board running some Linux. I want to have RNDIS-ethernet-over-USB connection between the two, and I want network manager ...
2
votes
0answers
87 views

USB speaker not detected

I am connecting an USB speaker but it the speaker gets detected on USB buts gets rejected after a while. However it works in Fedora [ 9548.214066] usb 5-3: new full-speed USB device number 19 using ...
2
votes
0answers
446 views

TOTOLINK N150UA wireless USB adapter unable to install in ubuntu 14.04 LTS

I have installed Ubuntu 14.04 LTS alongside my windows 7 on my PC(CPU INTEL i686 Mainboard is MS-7519). The wireless works flawless on windows but there is no sign of it on Ubuntu. Any help to fix ...
2
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0answers
44 views

Udev rules for USB mounting and Low Graphics Mode error

I have a file containing the content bellow KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end" # Import FS infos IMPORT{program}="/sbin/blkid -o udev -p %N" # Get a label if present, ...
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96 views

External USB Numeric Keypad not working

I have just had an USB numpad to use with my Xubuntu 15.04 The pad has a "Num lock" button with the LED going on/off when pressed, but the number (0-9) or sign (.+-/*, ENTER, TAB) keys don't produce ...