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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How to install LPT printer using a LPT/USB converter?

I have a HP LaserJet 1200 printer which has only LPT (25 pin parallel port) connection and my laptop (and many other new computers) does not have this port. I was using a USB to LPT converter (a ...
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27 views

Windows 7 iso wont mount

I need help with mounting my Windows 7 Home Premium x64.iso. It won't mount on the mounter provided by Ubuntu. Please Help! (I downloaded the iso file legally.) (I had work done on windows saved to ...
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25 views

having trouble reformatting usb drive after I used it as a chrome os installation drive

I installed Chrome on a chromebook with a USB drive that I'd now like to repurpose as an ext4 drive for moving files arround. I tried opening it with the gnome disk utility on my Ubuntu 14.04 system. ...
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1answer
50 views

Ubuntu 14 USB Installation - Help

I'm installing Ubuntu 14 onto my old laptop from USB. The "Try Me" portion works, I'm navigating around files, editing, going online etc however when I try to install I'm hitting an error. /usr/lib/...
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149 views

Boot Mac Mini 2,1 from USB flash device

I have a Mac Mini with two disks (original HDD and SSD) and no optical disk drive. I did a pendrive (usb flash drive) with Ubuntu 14 amd64, but my mac mini won't boot, even if rEFIid recognize-it ...
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186 views

HIDAPI with Raspberry PI 2 and Ubuntu

I try to install a Traffic Light on a Raspberry Pi2 based on a Ubuntu Mate. I follow the instructions and install the required Software libhidapi-dev. If I try to make install in the /home/ubuntu/...
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1answer
46 views

Wifi slows down when USB 3 hard drive plugged in

Bit of a bizarre problem. I noticed that if I plug in my USB 3 hard drive into a USB 3 slot, network speeds slow down. I've done some (very unscientific) tests on speedtest.net by starting the test ...
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44 views

Issues running Ubuntu from USB on laptop?

Pretty much as the title says, I'm having trouble booting up Ubuntu from a USB on my laptop - I've been Googling for about 3 days trying to figure out what the problem is, but I've pretty much given ...
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1answer
49 views

USB soundcard with MPD - only outputs static

I used to have a Muse Mini DAC USB soundcard on my Media Player Daemon machine, but now need to switch to using a Native Instruments Audio2DJ USB soundcard instead. aplay some_wav_file.wav works fine ...
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24 views

USB headphones get muted when setting volume below a certain threshold

Using a USB Headset (Microsoft LifeChat LX3000) with Unity's default volume control in Ubuntu 14.04 LTS, the speakers suddenly mute sound when I turn the system's main volume below a certain threshold....
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83 views

HELP , Need to make bootable usb from windows 7 iso inside Ubuntu

I have tried everything burning and reburning different isos in 2 different usb-s. But when i boot the SYSLinux error shows up saying just boot error.And it boots normaly to Ubuntu . Tried Unetbootin ...
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54 views

Mouse and keybord freeze time to time

Time to time, mouse is freezing for 1 second, and continue working, but after some time, keyboard and mouse become freezed at all. Ubuntu is still working normally. I can connect via VNC and continue ...
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1answer
222 views

Strange white screen with mirrored black characters while booting UBUNTU

I downloaded the minimal UBUNTU 14.04 from here: https://help.ubuntu.com/community/Installation/MinimalCD I created bootable USB stick with unetbootin and then I installed whole system on USB stick. ...
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44 views

PCI/USB 2.0 port installation fails “Invalid class for header type”

Bonjour, I have a very old PC with Ubuntu 12.04. Recently my usb ports have become very flaky so I have bought a new low profile PCI 4-port USB 2.0 hub (VIA Technologies, Inc.) which has failed to ...
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51 views

How do I log all access to external USB-Disk?

My external USB-Storage (Silverstone TS431U 4bay HDD Enclosure) won't go into sleep mode. According to the manual, it should shut down after 5 Minutes without activity. Now I'm trying to find out why ...
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73 views

Detecting USB device

How does operating system detect a USB device when it is connected to sytem? I need this information to write a program that will erase contents of USB as soon as it is connected.
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60 views

USB WiFi AccessPoint drops connection every few seconds

I have ubuntu-15.10-desktop-amd64 installed on my ACER laptop. I get internet via built-in WiFi adapter. I installed additional USB WiFi adapter Edimax EW-7811Un and share internet from it as it ...
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1answer
34 views

Disable a single BT adapter

I have a laptop with 2 BT adapters, one internal (Broadcom BCM2045B; WIFI+BT adapter) and one external (CSR USB BT Dongle). I want to use only the latter because it supports Bluetooth 4.0, unlike the ...
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1answer
14 views

USB HD on Boot: The disk drive for UUID is not ready yet or is not present

I'm a Windows user by necessity (work), so I'm not 100% sure of what I'm doing here. I put Ubuntu on my father-in-law's computer because he was breaking Windows every month. As hard as I'm sure he ...
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2answers
83 views

Is there any way to create or simulate a frugal installation of Ubuntu/Lubuntu on a usb flash drive?

I've created a FULL installation of Ubuntu 15.10 on a USB stick that runs fine, except the fact that I don't have USB 3.0 port and it's extremely slow as expected. Is there any way to make a frugal ...
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2answers
48 views

Wireless adapter speed changes

I have an Xubuntu desktop in another part of house from router. I use a USB wireless adapter to connect. At first it works with a speed of 72 Mb/s. Then intermittently it will drop to 7 Mb/s for ...
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42 views

New hard drive, Ubuntu 14.04 installation failing

hope I can find some help here. I am a complete n00b, so please tell me if I am not making sense or am leaving out vital info. I have an HP Pavilion 15 n271sa. The original hard drive failed the ...
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102 views

Ubuntu Server install freeze during language selection

I bought an Intel NUC5i3RYK, and I would like to install Ubuntu Server on it via USB. But every time the installation freezes in the language selection screen. The keyboard is a wireless Logitech ...
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45 views

Wireless Mouse not recognized 15.10

Pretty new to Ubuntu and Linux based OS, and am having a strange issue with my wireless mouse. It's a logitech m305 wireless mouse, plugging the dongle into the computer (any port) just leaves me with ...
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1answer
53 views

Booting from USB or DVD

I am currently taking my first Linux course so I am very new to Linux. I created a bootable USB followed the instructions to use on my MacBook. When I tried to boot up the UBS drive I was stuck at the ...
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27 views

USB drive in VirtualBox with a Windows 7 guest [duplicate]

I have Ubuntu 15.10 64bit and VirtualBox 5.0.14, the host. I created a Windows 7 32bit machine in VirtualBox, the guest. When I plug a USB drive in my computer to use it, VirtualBox detects the ...
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207 views

RNDIS Gadget driver intermittently working

I am trying to connect an RNDIS device via usb. When I plug the device in and run lsusb it seems to take ages (~20-30 secs) to run, and then the results are: Bus 004 Device 010: ID 19a5:0402 <&...
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1answer
33 views

Installation failing on Latitude D620

I'm trying to install 14.04.3 on a Dell Latitude D620 and am failing. The procedure I used was to download the file ubuntu-14.04.3-desktop-i386.iso to both my Thinkpad running Debian 8 and, ...
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46 views

Unable to complete an installation from a USB drive

I've written Ubuntu 14.04.3 to a USB drive to so that I can install it on a Lenovo S205 with no current operating system, but I'm running into a problem when I try and restart the machine. It's not ...
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81 views

Samsung ML1915 USB printer not detected by cups

My Samsung printer stopped working. I tried to remove it from installed devices, but I'm unable to add it again since it isn't detected anymore. The problem seems CUPS related since the printer seems ...
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40 views

Ubuntu not installing

Hi I'm trying to install ubuntu via usb on a plain system without having any OS. after complete installation process it is asking me to restart after restart it is again going to "try ubuntu without ...
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52 views

How to decrypt ubuntu on load from usb key

I have selected disk encyption option on ubuntu installation. And now I have to type pass to decrypt it on load - [ubuntu load encryption][ How can I create "usb-key" to unlock it automatically if my ...
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56 views

usb stick rechte

I suddenly seem not to have the permission to write on my usb-drive. - it's formatted with fat32/16. Ii tried to change the permissions using chmod 777 /dev/sdb1 in the result ls -l shows all ...
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1answer
136 views

Install Lubuntu 15.10 with encrypted lvm

After setting up encrypted partitions on Lubuntu installation on a USB-Stick, there's no /dev/mapper/xxx I could bind to a mountpoint (edit partition/use as: / or swap or whatever)! On Ubuntu this was ...
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2answers
134 views

Use USB port of raspi from ubuntu 15.10

I am trying to export a USB port over IP from raspi and use it on ubuntu. On the raspberry pi I can start the daemon using > sudo usbipd usbipd: info: starting usbipd (usbip-utils 2.0) usbipd: ...
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45 views

Vostro 1000 Dell Wont Boot from Usb

I have installed ubuntu on my HP Stream using the live usb method and it worked. This time Im trying on my dads old Vostro 1000 laptop. I downloaded the Lunbuntu OS and the pendrive thing. After that ...
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1answer
72 views

Error during installation of Ubuntu LTS 14.04.3

My main OS is Windows 10 Home Edition (64-bit). I have an 8 GB USB 2.0 flash drive that I used to boot off of using the Universal USB Installer software from pendrivelinux.com. The software takes the ...
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12 views

Random system failures when running on a USB thumb-drive

I'm running Ubuntu 14.04 LTS on a Dell E5540 laptop off of a USB 3.0 thumb-drive. It installs and runs fine but at random intervals it stops booting and gives an error message. I'm always careful ...
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47 views

How to mount ntfs usb flash drive with permissions automatically when plugged in?

I recently made it so I can use the ./ command in a usb drive by formatting to ntfs and then using the command sudo mount -t ntfs -o fmask=0022,dmask=0000,uid=1000,gid=1000 /dev/sdb1 /media/joshua/...
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56 views

Not detect HDD for USB

I have a problem with detecting hdd on USB 2.0. Model Seagate ST1000LM014. Hdd is connected to JM20329 SATA Bridge. Can someone help? I'm using Ubuntu 15.10 dmesg | grep sd [ 1.689401] sd 5:0:0:...
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22 views

Run file when USB device inserted

I want to implement a strict policy of nobody being able to insert any USB device into my laptop. If someone inserts a memory stick, keyboard, light etc... into any USB PORT (while the computer is ...
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17 views

Zalman M500WL Cordless mouse problematic in Ubuntu 15.10

On my laptop with Ubuntu 15.10 the Zalman cordless mouse works only intermittently. It beeps on/off every few minutes sometimes seconds. Wondering if someone has run into this problem before and a fix ...
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1answer
44 views

VisionTek Flashdrive issue with mounting

I got a visionTek USB 3.0 128 GB drive. https://www.visiontek.com/solid-state-drives/128gb-usb-3-0-pocket-ssd-detail.html It won't mount on Ubuntu 14.04. It does show up in lsusb as ASMedia SATA ...
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36 views

Unable to access USB port for Ubuntu touch app

I'm using Ubuntu Touch on my Nexus 4. I'm trying to run an application (digitemp) from the ubuntu touch terminal that needs usb access. The program reads the values from 1-wire temperature sensors via ...
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1answer
221 views

Tenda w311m USB wifi adapter is not recongnized Ubuntu 14.04

Hello guys I have a problem with my wifi usb adapter. I am a newby for Linux and this lap top doesn't have a wifi card. I bought tenda w311m USB wifi adapter but it's not recognized. I ask the guys at ...
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24 views

After trying to install Ubuntu on a USB with casper-rw patrition It does not boot

I tried the best answer of this question - How to make a persistent live Ubuntu USB with more than 4GB After doing all steps I booted to my drive and got nothing than a cursor ( _ ) (I don't know his ...
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40 views

Could not install Ubuntu using USB

I download an Ubuntu iso from ubuntu's official site and made the bootable USB(For this, I tried with 3 different programs, YUMI, unetbootin, universal). Then I updated the device priority for booting....
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242 views

LXC USB Passthrough 2

Recently i managed to try LXC containers. I've installed Proxmox 4.1 as host and got 3 Ubuntu 14.04 containers. Everything seems to work fine but i cant get my USB Hasp keys passthrough. Each ...
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32 views

Ubuntu Phone: USB hub? (Nexus 4)

I have a Nexus 4 which I flashed Ubuntu Touch to. I also recently got a USB Micro-B (male) to USB standard A (female) HUB with exernal power supply. I connected everything, but it didn't seem to work -...
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27 views

Trouble “trying” Ubuntu from USB with Radeon graphics

I've created a USB key with pendrivelinux using Ubuntu 15.10 x64. I don't want to install, just have as a portable OS. I've tested it out on other machines without any problems. After I've done ...