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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1answer
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My USB ports randomly stop working till a reboot?

I have a HP Pavillion DV6-1149wm, Ubuntu 11.04. I have 2 USB3.0 ports, and 2 USB2.0 ports. If I use a USB port for a long period of time [e.x. with my USB WiFi adapter], that specific USB port ...
6
votes
3answers
17k views

Does not recognize usb sticks and drives

When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable ...
6
votes
3answers
936 views

Is it possible to write protect a flash drive? [duplicate]

I want to write protect and unprotect it to keep files from being formatted whenever people use it in a windows PC. I don't want people to delete my school work and I bring this to school and use it ...
6
votes
1answer
689 views

USB 3.0 controller is not recognized

I have a Thinkpad E430 notebook, and the intel's USB 3.0 controller can not be recognized by Ubuntu 12.04. The LED on my USB-HDD is white instead of blue (And in Windows 7, it is blue when connected ...
6
votes
1answer
463 views

USB Device No Longer 'Powering' Up In Ubuntu [closed]

I've run across a weird issue that I was wondering if anyone had seen before. We run a custom version of Ubuntu 10.04 at work and we've been testing some software that uses webcams recently, which 90% ...
6
votes
1answer
4k views

How do I get an Enter USB TV Box TV tuner aka Gadmei UTV302 to work?

Has anyone had any success in using the Enter USB TV Box from Enter Multimedia? It comes bundled with software that works in Windows. I have had no luck using it in Ubuntu 10.10. Update 1 Here is ...
6
votes
1answer
591 views

Tablet BIOS (UEFI) won't accept boot from USB

I have a x64 tablet running win 8.1. I am trying to install different Linux distro's. Unfortunately I am having trouble booting up from live usb. I got all set up in bios, turned off secure boot, ...
6
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0answers
364 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 ...
5
votes
7answers
42k views

How do i allow non-root access to /ttyUSB0 on 12.04?

Since i updated from 10.04 to 12.04, i am unable to acces the device connected in /ttyUSB0 if i dont have root access. To be more specific, i use a usb-to-serial com port converter to acces and ...
5
votes
4answers
14k views

Automounted USB devices are read only

Since I upgraded to Ubuntu 12.10 the automout of USB devices does not work as expected. When I plug in a storage device it is recognized correctly but I do not have write privileges on it. I thought, ...
5
votes
3answers
3k views

Trouble starting Network UPS Tools with a Eaton 3S UPS

Running an Ubuntu Server on a Eaton 3S 700VA UPS. The Eaton's USB connection goes into my Ubuntu Server. I'm trying to use NUT to manage the UPS. After sudo su'ing cat /etc/nut/ups.conf: [eaton] ...
5
votes
2answers
3k views

Don't automatically open the folder of mounted devices [duplicate]

I usually charge my phone through a USB connection. Due to Ubuntu 13.04 detecting and mounting it, Nautlius automatically opens the mounted folder. Can I stop Nautlius from automatically opening the ...
5
votes
2answers
13k views

How can I tether my android phone with pdanet to my laptop via usb?

For my iphone I was using this with pdanet to tether via usb. Now I have an android phone, also with pdanet. I'd appreciate any help. Edit My phone is a droid x. I'm using the latest OS officially ...
5
votes
4answers
43k views

Ubuntu can't see my Android phone!

I'm on Ubuntu 12.04, and trying to connect my Samsung galaxy Gio (Model # GT-S5660M) with Android 2.3.4 (GINGERBREAD_MR1). When I plug my phone in,via USB, it will charge, however Ubuntu will not ...
5
votes
6answers
2k views

How to show notification when a usb device is inserted?

It would be good to know that when you connect a USB device like a web-cam, it notifies me that it works or not.
5
votes
2answers
221 views

Does TP-LINK WN822N work on Ubuntu?

I plan to install Ubuntu soon on my pc. I currently use a Tp-Link WN822N wireless adapter. I want to know if it will work without additional setup.
5
votes
6answers
34k views

“dd: /dev/disk4: Permission denied” error when making LiveUSB on Mac OS X

I'm going through the steps: "How to create a bootable USB stick on OS X" to install Ubuntu on a USB stick, and I keep getting the error: dd: /dev/disk4: Permission denied when I try to run step 8. ...
5
votes
3answers
41k views

Ubuntu doesn't “see” external USB Hard Disk

It's NTFS. It's USB2. I'm using Ubuntu 13.04. It works perfectly fine on Windows (which excludes cable and hardware problems). I have two Ubuntu computers and it's not detected on either. It's about ...
5
votes
3answers
4k views

Trim and SSD with usb 3.0 enclosure does not work - UASP not supported?

I have installed one SSD disk (Micron C400-MTFDDAC128MAM) in an external usb 3.0 enclosure. Now I want use this disk as second disk in my laptop with Ubuntu 12.04. Disk is working, but I want to use ...
5
votes
5answers
2k views

Making a 12.10 bootable USB drive - usb-creator-gtk fails with a seg fault

I'm trying to make a bootable installation USB drive. I've tried usb-creator-gtk, and it starts working only to fail with a segmentation fault, leaving a non-bootable drive. I've tried "unetbootin", ...
5
votes
2answers
2k views

Can I disconnect an ejected drive even if it is still spinning?

I am running Ubuntu 12.04. When I unmount (eject) USB disk, the power LED is always "ON" & I can feel disk is still spinning after 10 Minutes. This means disk is not unmounted from system? is it ...
5
votes
1answer
755 views

Leapfrog Crammer won't mount as a USB flash drive

I can't seem to get the Leapfrog Crammer study and sound system to show up as a flash drive under ubuntu so I can transfer stuff to it. I don't want to install the leapfrog bloatware, can someone ...
5
votes
5answers
23k views

FULL install Ubuntu on 4GB USB drive

Is there a way to full install Ubuntu 11.04 in a 4gb USB drive? It says that I need at least a 4.6 GB drive. I want the full install, not the live persistent installation. I think that it don't need ...
5
votes
3answers
7k views

No sound on USB headset. How to manage soundcards and audio devices?

I had a fresh reinstall of Lubuntu 13.10 and my USB headset seems to be not working. I looked for solutions in some forums, but these didn't work for me. My headset is a Genius Wire Gaming headset. ...
5
votes
2answers
5k views

Accidently installed grub to usb

While doing a fresh ubuntu install (dual boot with XP using resize), I somehow managed to install grub to the source usb instead of to the harddrive. Normal harddrive boot goes straight to XP. Booting ...
5
votes
1answer
6k views

How do I configure a displaylink USB monitor?

I have seen many pieces but not a comprehensive guide to fix what must be a very common problem, particularly in Ubuntu 11.10 where there is no xorg.conf file. Is there an easy how-to somewhere (for ...
5
votes
2answers
575 views

Modification on USB bootable drive

A USB bootable drive discards all modifications made at shutdown. Is there a way to save it? If possible, how will that affect a version installed on to a different hard disk using that USB drive?
5
votes
1answer
937 views

USB tethered connection via Nexus One not showing on NetworkManager

When plugging my Nexus One (Android 2.3.3) via USB and activating the "USB Tethering" option, I cannot enable the connection via Network Manager, because I just see a gray "Disconnected" option. If I ...
5
votes
1answer
15k views

Booting from USB inside VMware Workstation

I'm attempting to install Windows 7 inside a VMware Workstation virtual machine using a bootable USB stick, however the VMware BIOS does not detect the stick, and so I cannot boot from it. The stick ...
5
votes
1answer
5k views

How do I get a StarTech USB 3.0 to Gigabit Ethernet Adapter working?

I bought a Startech USB 3.0 to Gigabit Ethernet Adapter and looking for linux drivers. I did google search and did not come up with anything. Startech.com has only windows drivers. Any help on ...
5
votes
2answers
1k views

How do I lock/unlock my screen using my iPhone and USB dock?

My iPhone is connected via USB to my Ubuntu desktop via a dock. How do I configure it so that when I dock my phone the screen is unlocked and when removing it it locks it?
5
votes
2answers
6k views

How do I make xinput mouse settings persistent for a USB mouse?

I use xinput to change the settings of my USB mouse: xinput set-ptr-feedback 'USB Optical Mouse' 4 1 1 How can I make these settings persistent after unplugging the mouse or rebooting?
5
votes
2answers
2k views

How do I make the USB monitor Lenovo Think Vision lt1421 work?

How to make usb monitor Lenovo Think Vision lt1421 work on ubuntu. On official site I see drivers only for windows. When I plug it in: it is not detected. On windows it worked fine.
5
votes
2answers
2k views

Gamepad usb error -71

I have a couple of game-pads with a USB interface, The game-pads are RockFire QF-501UV, When connecting them to the USB port I get the following message: Feb 27 22:32:55 localhost kernel: ...
5
votes
1answer
1k views

Virtual USB bus using TCP

I have a router that a printer can be attached to to print wirelessly to. It appears that the software for Windows uses a virtual USB bus using TCP. This allows the printer to appear as if it was ...
5
votes
2answers
320 views

USB Speakers are recognised, but can't be selected in sound menu [duplicate]

Possible Duplicate: New Sound Devices Show up in Hardware But not Input or Output I have USB Speakers that used to work with Ubuntu. In 12.10 I can see them through lsusb... Bus 006 Device ...
5
votes
2answers
7k views

Is it possible to power up ports on a USB hub from Ubuntu?

I have a D-Link DUB-H7 powered USB 2.0 hub connected to my computer. Occasionally when I reboot the system, I've noticed that some of the ports on the hub get powered down: the green light next to ...
5
votes
1answer
3k views

Is Ubuntu Compatible with Bluetooth 4.0?

I recently purchased a Bluetooth 4.0 adaptor for my laptop. Bluetooth 2.1 was recognised instantly, but Bluetooth 4.0 is not recognised. Is there a fix for this, or is Ubuntu not compatible with ...
5
votes
1answer
4k views

Send raw data to USB parallel port after upgrading to 11.10

I have a laser cutter connected via a generic USB to parallel adapter. The laser cutter speaks HPGL, as it happens, but since this is a laser cutter and not a plotter, I usually want to generate the ...
5
votes
1answer
6k views

How to use gps receiver bu-353

Hi I have a gps receiver bu-353 with usb interface i want to know how can i use it under ubuntu I ran the following command gpsd -n -N -D 2 /dev/ttyUSB0 I got the output as: gpsd: launching ...
5
votes
4answers
4k views

USB Microscopes

I'm interested in getting a USB microscope for my kids. So, to get to the point, does anyone know what microscopes are available that work with Ubuntu? Ideally, they should be available in the UK.
5
votes
1answer
201 views

Is there a microcontroller kit that ships with development tools for Ubuntu?

I was looking around on the web for an introductory kit with a USB-based microcontroller that I could get started on. However, most of the tools I looked at were Windows-only. Are there any kits ...
5
votes
1answer
76 views

How can I stop 'Unable to mount Android Device' messages from popping up?

Using 15.04 When I connect my phone to my PC, I get a message popup saying that Ubuntu was unable to mount the device - however I'm able to access the storage on my phone to add/remove files etc. ...
5
votes
1answer
2k views

What is the performance difference between booting Ubuntu from a USB v2 and USB v3?

I like the idea of booting from a usb drive. I probably have 50 USB 2.0 drives of various sizes, but I only have 2 USB 3.0 drives currently. If I boot from a USB 3.0, will the increased read/write ...
5
votes
2answers
2k views

USB Keyboard doesn't work server installation 12.10

USB Keyboard doesn't work server installation 12.10. I can get till the language selection screen and later no response to keyboard. Need help.
5
votes
2answers
5k views

Wammu - USB Device Name?

I'm trying to get to my phone's filesystem through USB in Wammu, but I'm stuck in the configuration wizard when it asks for a USB device name. After about an hour of Internet searching, here are the ...
5
votes
1answer
6k views

“No caching mode page present” when USB flash disk attached

When attaching a USB flash disk (NTFS formatted) to a laptop with Ubuntu Server 12.04 on board, I get following messages: [ 3572.355603] sd 2:0:0:0: [sdb] No Caching mode page present [ 3572.355640] ...
5
votes
2answers
11k views

Why does my USB mouse seem to randomly quit working? [duplicate]

While I am doing stuff... doesn't seem to matter what, my USB mouse just stops working... sometimes it will be the keyboard as well but usually not as often. Ubuntu forces me to press my power button ...
5
votes
2answers
2k views

Cannot boot from Ubuntu USB [closed]

I create a ubuntu 10.10 bootable USB via the method that is described on the download page of ubuntu. I made that from windows and also from ubuntu 10.04 (I have dual boot). When I boot from the USB ...
5
votes
1answer
2k views

USB Keyboard and Mouse both laggy

I decided to try out the Ubuntu 10.10 RC on my workstation today. The install worked fine, but the mouse and keyboard (both of which is usb) are unbearably laggy. This was also the case when I ran it ...