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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Computer don't detect android one usb device

I have Ubuntu 14.04 installed on my system. Right now I want to use an Android one device which is running android 5.1 for testing purposes but the system can't detect the USB device. I followed ...
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72 views

I partitioned my hard drive; now none of my USB devices work

Yesterday I partitioned my main hard drive in Ubuntu, using the graphic installer that is part of the 14.04 Live DVD, so that I could mount the new partition to my home directory. This was successful ...
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100 views

Need help with USB Speakers. Logitech S100, Ubuntu 15.04, USB 1.1

I am a first time user of Ubuntu. I recently installed it as a dualboot with Windows 7. I have Logitech S100 USB speakers which work fine in Windows. However, I can't get any audio to play in Ubuntu. ...
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95 views

Why does wifi USB dongle slow down USB stick file copy/transfer?

I am on Ubuntu 15.04 but my problem has been around for a long time in previous releases - I have a PC with a Belkin wifi USB dongle attached using the r8712u driver. Every time I copy a file, ...
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82 views

How to fix modprobe?

I followed some instructions, like a typical noob, in trying to assign a tty/USB0 to my la crosse technology USB device. Instead, I guess I was installing a modprobe for an "ipaq" (I thought it was a ...
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33 views

Problem restoring disk image to external hard drive

The image I am trying to restore is an image of a usb stick that I installed Ubuntu onto (not a live usb) I created a disk image from the usb stick using the Disks utility, and saved it to my ...
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1answer
49 views

usb read-only in gui, but works fine from terminal (12.04)

From all that I've read on-line, it appears I have a new twist on the usb-read-only problem. When I first tried a new usb drive, whenever I tried to drag-drop a file into it, I got the error message ...
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115 views

USB devices keep asking for password - polkit makes no difference

I was trying to make a live USB using 14.04 Ubuntu dual boot on a Chromebook. I used startup usb creator, but it wouldn't work, kept saying installation failed. It said I didn't have permission to ...
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76 views

LUKS encryption + USB dongle keyfile = if not plugged, disallow passphrase prompt?

My laptop is LUKS-encrypted. I put boot & keyfile on a USB dongle: if the dongle is not plugged at boot, you cannot enter linux. But when I dont plug the USB dongle (which contain the keyfile), ...
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34 views

Low speed and problems in USB tether

I have strange mtr result, this is google.com mtr result: DEMON (0.0.0.0) ...
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71 views

Mobile phone storage device not recognized by Ubuntu

I have a mobile phone about two years old. When I first bought this phone, the internal micro SD card was recognized without the slightest problem. All I had to do was to connect the phone using a USB ...
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1answer
148 views

Boot Ubuntu from Fully Encrypted USB Stick

As the title says, I would like to be able to install Ubuntu on a USB stick such that I can (a) boot from the USB stick and (b) Ubuntu uses full disk encryption. I was able to put Ubuntu on a USB ...
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47 views

How do I enter password via keyboard without using pamUSB?

I installed pamUSB and I have used my USB flash drive to store and enter my password automatically in ubuntu 14.04. But my USB memory is formatted. Therefore, the system shows the following message ...
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83 views

Trying to install an USB video capture card, but idk why the driver is not loading

So here is the thing. I'm trying to use this USB video capture card on my linux but I dont know why my linux doesn’t load a driver for it. The card I'm talking about is this one: ...
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42 views

Random shutdowns related to UPS

I'm using 15.04 with a CyberPower CST1300ALU UPS, connected by USB, and after a brief power failure, the computer will shut down after what looks like a USB disconnect. Can anyone help me figure out ...
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66 views

how to get SEC1110 smartcard reader to work on Ubuntu 14.04

I am trying to work with an SEC1110 card reader on my Ubuntu lsusb provides this: Bus 003 Device 004: ID 0424:1104 Standard Microsystems Corp. I have installed the following: libusb pcsc-tools ...
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59 views

Ubuntu for Arm on AOC All in One Android Monitor

I would like to install Ubuntu for Arm on an AOC A2272PW4T, a 22" All in One mointor that can act as a display as well as a giant 22" android tablet. I had a slight issue where I got locked out of ...
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155 views

How to install Ubuntu 15.04 over my old Windows XP with a USB stick?

I'm totally new to Ubuntu, but very keen to learn a lot. And here I start. I have my old computer running on Windows XP, and I would like to install Ubuntu 15.04 over it, in other words, just have ...
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19 views

driver problem or something

yesterday i installed ubuntu 14.04 but this morning something strange began to happen i dont know how to explain, so... i have a mouse and a Xbox 360 usb wired controller, when i use scroll (up or ...
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23 views

I cant connect my yoga tab 8(ANDROID 4.4.2) to ubuntu 14.04

When is connect it first shows up and works perfectly but when i try to copy or delete something it shows that file location missing or libmtp error . I tried the sudo apt-get install mtpfs command ...
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2answers
52 views

Unable to boot ubuntu 14.4 from usb on dell inspirton 15 3537

So I recently installed windows 10 on my computer. Before that I had a dual boot windows 7/ubuntu 14.4. Now I wanted to boot ubuntu from a usb. I created a live usb using unetbootin. After that I ...
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1answer
125 views

Wireless adapter not working Realtek

I bought a Realtek semiconducter Corp. RTL8192CU 802.11n wireless LAN Adapter for my Vostro 200 Desktop, as it doesn't come equipped with a PCI card, i went to my grandfathers house as he has the ...
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38 views

Gparted Recognizes Usb but not Ubuntu 15.04 or the file manager

I plugged in my usb today and expected to be able to find it in the manager,to my surprise it did not show up so i plugged and re plugged in various areas, so i went to gparted and formatted correctly ...
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195 views

Android phone MTP - create a mount point

I need to use dd command to create a image of the internal memory of my phone (Samsung Galaxy Grand Neo). To use dd I need to know the if source (e.g. /dev/sd1) but right now I just can access my ...
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102 views

USB 3.0 PCI-e card not working

I looked around but I couldn't really find a fix for this. I have this pci-e card, it works perfectly fine in Windows 8.1 (which I am dual booting with Ubuntu 15.04 -both are 64bit-). However in ...
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213 views

how to send uart pakage and read them on Ubuntu terminal (CH340G USB to Serial)

i have CH340G i dont know if it need to get driver or not i connect it to a PIC micro controller which sent bytes via UART RX TX to the USB to serial CH340G ,so does any one has idea about how to ...
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61 views

Audacity doesn't list USB Microphone

I got a new USB Microphone. It is listed at lsusb: Bus 004 Device 011: ID 0d8c:0031 C-Media Electronics, Inc. And it works fine on e.g. TeamSpeak. But at Audacity, it isn't listed. (Just for ...
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50 views

Faxing with Ubuntu 15.04, Archos Copper 70 Tablet (or Huawei E353 HSPA+ UMTS-Stick) and hylafax possible?

I was given the information by my internet/cellphone service provider that my SIM-cards can receive and send (digital) faxes. I am not sure if this for real, but I have to trust these words. Anyway, ...
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1answer
77 views

I can't trust USB pendrive finished copy in Ubuntu 1404

How can I really know that Ubuntu 14.04 finished copying in my USB pendrive that does not have an activity led? For example, I connect it to the USB 3 port (pendrive is USB 3) then it shows like it ...
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1answer
187 views

Install Ubuntu 14.04 / 15 in computer with Windows 8.1 Legacy installed before

I want to install Ubuntu 14.04 to dual boot with Win 8.1 installed before. I installed Windows 8.1 in Legacy mode, my laptop is Dell Vostro 2420 which support UEFI but I disable UEFI boot mode before ...
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57 views

Why is this grub-install not working

I am trying to create a Windows bootable USB on Ubuntu. However, while installing grub onto the USB with this command: grub-install --target=i386-pc ...
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1answer
29 views

Connecting two computers with usb

I bought a dual usb from belkin a little bit ago, it has the chip in the middle and is designed for dual computer use. Problem is, it seems its only for transferring files from PC to PC with the ...
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3answers
79 views

How to install Ubuntu on Toshiba Satellite c850-19z

My computer is using UEFI and is running Windows 8. I've tried install Ubuntu before but I only got as far as putting it on a USB (using universal USB installer). But when I go to the boot manager on ...
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6 views

Ubunut recover infromation from Stick

can anyone tell me a software with how I can recover the lost information from USB stick, pleas tell me any program with out TESTDISK because I try use it but don't work for what I have.
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402 views

Need help installing drivers for an Archer T2U wireless adapter!

I had an old computer running WindowsXP, and I wanted to add some life to it and finally expose myself to a Linux OS or something similar, maybe learn something from the experience. So I got a Lubuntu ...
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56 views

Unable to boot Ubuntu from USB Stick

I burned the latest version of Ubuntu onto my USB stick. Then, I clicked on the wubi application on the usb drive, clicked on live installation, then clicked on reboot. When it rebooted, it asked me ...
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1answer
46 views

Can't boot, new usb device found

When trying to boot into the Ubuntu live usb, I get new usb device found idvendor=1d6b idproduct=0003, and it hangs there, refusing to boot. Ubuntu 14.04 booting into install or live mode, uefi and ...
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31 views

Install ubuntu on usb without wiping usb

I have a 16gb usb can I install ubuntu on it without deleting any of the files on it the files take up 2.64 gb of space I also want to make ubuntu fully portable so the files are only on the usb how ...
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1answer
39 views

DVDR drive note recognized using : 152d:2338 JM20337 Hi-Speed USB

I see the controller in lsusb but ubuntu does not recngize it as a drive. Bus 001 Device 006: ID 152d:2338 JMicron Technology Corp. / JMicron USA Technology Corp. JM20337 Hi-Speed USB to SATA & ...
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35 views

Ubuntu won't save the settings I have done after installation

I had created a 4GB bootable USB stick of Ubuntu 14.04 LTS using Universal USB installer. I have installed Ubuntu on my Windows 8.1 PC and allocated it 30GB space. After completing the installation ...
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1answer
62 views

Lubuntu not booting without USB used to install it [duplicate]

My Lubuntu v12.04 (I'm not using the newest one because my Laptop doesn't support PAE) doesn't boot when the USB I used to install it isn't plugged in. I've overwritten my Windows XP with Lubuntu and ...
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0answers
44 views

Can't boot ophcrack with Ubuntu installed on system

On all my other computers I am able to boot ophcrack from a bootable USB drive. On my Acer Aspier E-15 running Ubuntu I cannot boot it up. Don't ask why I need to boot ophcrack on my Ubuntu laptop I ...
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0answers
809 views

RTL2832U+R820T2 DVB-T TV stick, can I use DVB-C?

I have got this cheap china USB dongle for receiving DVB-T and DVB-T2. I have tried the device for DVB-T and it works great. I have also tried it as an SDR (Software defined radio) and I can tune into ...
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2answers
23 views

How to install Ubuntu from a Ubuntu installation? [duplicate]

I have installed Ubuntu onto a laptop. I know that I can boot into a liveUSB of Ubuntu and install Ubuntu onto my external hard drive but I was wondering if there is a way to install Ubuntu onto the ...
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1answer
207 views

Secure boot / UEFI Boot issues after 15.04 installed

I have a Dell XPS 13 (2015) with Win 8.1 Pro installed. I created a UEFI USB boot drive with Ubuntu 15.04 on it. Using Windows I shrank my windows partition by 40GB. I inserted the USB and rebooted, ...
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131 views

Sound problems with USB sound cards: Maya22USB and AureonXfire8.0HD

I'm trying to use a USB sound card for digitalizing an analog audio signal coming from the earphone port of a walkie-talkie-like device. I'm using ALSA drivers for this purpose and checking the audio ...
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13 views

How to fix a usb for booting [duplicate]

Hello my repiar/boot usb turned to read only filesystem please help me turn it back into read and write system.
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3answers
95 views

Using Ubuntu via USB. Will all downloads/saves be saved to USB?

I'm a web developer of many years. I've grown tired on the Microsoft scene, so I'm moving on to other Operating Systems - Mac OS and Ubuntu/Linux. I have to stay marketable and that's where ...
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0answers
73 views

Windows 8.1 won't boot after installing Ubuntu 15.04

So, I made bootable usb with ubuntu, then install ubuntu on my other pendrive, also GRUB. But when I power on my computer, some GRUB console pop up and windows won't load up. But when I put my ...
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1answer
643 views

trouble with Logitech mk270 combo keyboard/mouse with USB 3.0 hub

I have been checking for solutions on this forum and others, but so far I cannot find a problem that match mine. Basically I have a Logitech mk270 combo keyboard/mouse which work fine under Windows 7 ...