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.

learn more… | top users | synonyms

0
votes
2answers
87 views

How do i return my usb to normal

I've been messing around with my usb, trying to make a live usb with debian on it. I used the dd command in the terminal. After multiple failures I just gave up, and I want the usb back to normal. I ...
0
votes
1answer
66 views

Write permissions not allowed on my USB key

I can read/write my USB key normally on Windows XP. On Ubuntu 12.04 I can only read it. I tried sudo to chmod with 777 my USB key but Ubuntu does not allow me that. Why this problem happens ? How ...
0
votes
0answers
150 views

External usb3 Hard Drive not recognized

I have usb3 hard Drive when I plug it nothing appears. dmesg says that the device is disconnected. Is there anything I can do? dmesg output: [18563.144738] usb 4-2: new SuperSpeed USB device number 2 ...
1
vote
2answers
6k views

Operating System Not found Error. When booting from USB in Windows 8?

I tried to have a fresh install of latest Ubuntu Desktop 14.04 in my laptop running on Windows 8 using USB iso image. I am careful on all things like : BIOS settings - External USB Flash drive - ...
-1
votes
1answer
642 views

Installed Ubuntu on USB stick but the default password is not being accepted [closed]

I have installed Ubuntu 14.04 on my USB stick using the Universal USB Installer from Pendrive Linux. Everything went well and Ubuntu installed without any problems. I can then select the USB stick ...
0
votes
0answers
35 views

USB needs superuser

So I recently plugged in an USB and I don't know why it needs superuser now. When I go to nemo in sudo, It listed my old USB as usb1 and my new USB as Ducky Momo (It's name is Ducky Momo and it's a ...
0
votes
2answers
68 views

Can't boot a live usb on windows 7

I want to install Ubuntu 14.04 LTS (I have tried 64 and 32bits) but I always get this, It doesn't matter if 1 hour has passed BTW, a CD with Ubuntu 12.04 does work.
0
votes
4answers
103 views

why can't I install from a bootable USB? [duplicate]

My computer refuses to install from a usb, it keeps insisting on a cd, which I don't have. How do I create a bootable USB and enable my system to boot from it?
0
votes
1answer
361 views

USB Tether keeps repeating 'Checking phone status…'

I am attempting to use the wireless capability of my Asus Memo Pad HD 7 ME173x tablet as an access point for my Ubuntu PC over USB. I installed USB Tether on both my tablet and my computer. I activate ...
1
vote
0answers
41 views

Same external drive and file, different md5sum when connected via USB3 vs USB2

I have an external USB3 HDD with an ext4 partition on it. I've been plagued with file corruption issues for days whilst trying to transfer a large (~200GB) file from the drive, and I've finally ...
0
votes
0answers
70 views

Unable to install ubuntu from bootable usb

I am trying to install Ubuntu on my Acer M3200 tower and having no luck. I have installed Ubuntu on my laptop using a bootable usb with no trouble. I have "made up" 2 usb's with Ubuntu 13.10 and 14.04 ...
0
votes
1answer
1k views

Cannot access USB drive - non-zero exit status 32: mount: unknown

I am trying to access my FAT32 USB drive. There is an error when I try accessing it. I just want to access it read-only. The error I get is: Error mounting /dev/sde at /media/mink/34D2-84FB: ...
0
votes
0answers
259 views

USB ports not working after software updates

I have Ubuntu 14.04 LTS installed on a laptop. Everything was running great until a software update today (May 1, 2014). The mice (MS trackball, Belkin mini retractable) work on my Win7 laptop. The ...
0
votes
0answers
25 views

Ubuntu 14.04 USB Install on older laptop stalling [duplicate]

Trying to install Ubuntu 14.04 on an older HP Pavilion using a flash drive as the install device. The unit gets through a start-up screen showing "ubuntu" with a row of progress dots just below it. ...
1
vote
0answers
124 views

Mounting and reformatting an hpfs flash drive

A while back I downloaded the Ubuntu 13.10 iso and used Linux Mint to make an install disc. Ubuntu 14 came out, though, and I want to create multiple OS installers on that flash drive. In Windows, ...
0
votes
1answer
372 views

VirtualBox doesn't see Wireless USB Adapter

So I run Ubuntu 14.04 as my main OS, I have VirtualBox installed which was from the Software Centre, what I am trying to do is add my Alfa AWUS051NH Dual Band 802.11a/b/g/n WiFi Wireless-N USB Adapter ...
2
votes
1answer
53 views

“Try Ubuntu” as default startup?

I installed the 64bit version Trusty Tahr to an USB stick with lili. Everything went fine and so far I am happy with the setup, just I would like to prevent the system to ask for installation after ...
0
votes
1answer
313 views

Sony 32 GB USB Drive Will Not Show On Any Computer

I have a Sony USM32GM 32 GB USB Flash Drive and I can not get it to show up on any device. I have tried it in Windows 7 Pro, and it will show up and try to install the driver, fail, and then it won't ...
1
vote
0answers
96 views

8179 wireless adaptor not working Ubuntu

I am pretty new to Ubuntu. I installed Ubuntu with Wubi on my desktop computer but couldn't get my wireless network working. The adapter is a USB TP-link dongle. It is working under Windows 7 but not ...
0
votes
0answers
67 views

USB 2 devices do not work on USB 3 port

Different USB 2 and USB devices (Wireless Mouse Transmitter, USB 2 Harddisk, Garmin GPS) do not work on USB3 port. They get power but are not recognised. On the USB 2 port everything works fine. Other ...
0
votes
2answers
314 views

Usb flash drive with used sapce but no files in it

I have a 16 GB usb flash drive. It has ~9 GB used space and ~6 GB free space as seen on Disk Utility. When I open the directory there are no files in it. Also ls -al gives ...
0
votes
0answers
56 views

usb is not showing on df -h but it shows on lsusb

i have a desktop pc its usb port was working 2 days before but now its not working on lsusb it shows (sandisk COrp) but it is not mounted and it also not showing in df -h or on the disk utiltiy ...
0
votes
0answers
158 views

Plug and play device for laptop to connect external monitor/keyboard/mouse

I am looking for an easy solution that is basically plug and play where I can take my Ubuntu laptop and connect it to a device which is my desktop setup and connects external monitor/keyboard/mouse. ...
14
votes
4answers
4k views

USB 2.0 device (scanner) does not work with xhci_hcd on USB 3.0 system

I'm trying to scan with samsung scx-4200 which is a printer with scanner. When I connect my brother's laptop which has the same version of ubuntu(14.04), it works. I don't know how and why. He did not ...
2
votes
0answers
185 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 ...
0
votes
0answers
113 views

How to Enable Port Persist for a USB to Serial com port

I am followed this guide (http://www.zedboard.org/sites/default/files/documentations/GS-AES-Z7EV-7Z020-G-V7.pdf) for working with a SoC board in windows. I would like to switch to working under Ubuntu ...
0
votes
1answer
778 views

USB device not recognizing in ubuntu 14.04 on lenovo Z510

I bought new Laptop Lenov Z510 i5, before yesturday it was detecting USB device. I even tried External Hard Disk and Reliance Data card but both are not recognising either. Please help me in ...
1
vote
0answers
82 views

Keyboard is not configured properly

I have a problem with my USB keyboard not being correctly configured in Ubuntu 14.10. lsusb shows the device as Bus 005 Device 010: ID 0db5:0119 dmesg | tail gives the following: [ 726.852025] usb ...
1
vote
3answers
1k views

Slight sound “crackle/pop” in 14.04

I have a slight sort of crackling noise coming through my headset when I play, well, anything. It doesn't seem to happen if I just open a youtube video and let it play, not touching ANYTHING else. But ...
1
vote
1answer
644 views

14.04 USB MP3 player not recognized as storage medium anymore

After updating from 13.10 to 14.04 my MP3 player is not mounted anymore. Under 13.10 it behaved like a normal USB stick and I could copy files to it. Since the upgrade the device does not show up as ...
1
vote
1answer
36 views

How can I run a command automatically upon USB diconnect?

I am running Ubuntu 12.04 from a flash drive, and am in a situation where the USB drive it is running from (along with other USB devices) can be disconnected very easily (wonky/bent ports). What would ...
0
votes
0answers
154 views

USB-3-Drive suddenly unstable when connected to USB-3-Port (maxPower issue?)

I have a usb-3 external hdd that worked always fine. All of a sudden the drive began to "umount" randomly. After checking the hdd for badblocks and testing the cable without any result, I decided to ...
0
votes
1answer
58 views

difficulty transferring file to android phone

When I first connect my android phone, it gives me the open to open a folder, but I closed it and how I can't find it. Disconnecting and reconnecting my phone doesn't give me the a chance to open the ...
1
vote
1answer
7k views

ralink 148f:7601 wifi adaptor installation

I am trying to install ralink wifi adaptor to my desktop ubuntu 14.04 the system is not detecting the wifi. lsusb lists the device as: Bus 002 Device 004: ID 148f:7601 Ralink Technology, Corp. I ...
1
vote
2answers
167 views

Opening live USB from GRUB prompt

While trying to upgrade to 14.04, in a series of unwise moves I ended up destroying my Ubuntu installation. So I used a live USB to mount my original disk drive and recover my files, before ...
1
vote
0answers
2k views

ubuntu doesn't recognize USB disk after upgrade to 14.04

Appreciate any thoughts on this. fdisk does not see the USB drive(s). Was working until I upgraded from 13.10 ->14.04 Dmesg and lsusb show it: > lsusb Bus 002 Device 005: ID 058f:6362 Alcor ...
0
votes
2answers
163 views

Install Windows on a usb flash drive from Ubuntu [duplicate]

I want to install a Windows version on a USB flash drive from Ubuntu. How can I do it and which version of Windows should I choose?
0
votes
1answer
48 views

Any way to “Export” Lubuntu? [duplicate]

Is there any way to 'copy' or 'export' Lubuntu to a USB-drive so I can use it on another PC without having to set it up ?
2
votes
0answers
159 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 ...
1
vote
1answer
78 views

Boot Problem - Cannot Install Edubuntu

I have an old Toshiba laptop I'd like to put Edubuntu on. I first made a DBAN disc to wipe the drive. It was burned with Imgbrn software and booted fine. I also made an Edubuntu disc in the same ...
1
vote
0answers
147 views

Problems with RS232 cable and the communication

Let me start out by saying that I hope this is the right place to ask. My problem is not purely defined yet and I am hoping you can help me shed some light on what is going wrong. So, the deal is ...
4
votes
1answer
1k views

Canon IXUS 155 camera no longer found when connected to USB after update to 14.04

Previously I used Ubuntu 13 or older versions on my PCs and the Canon IXUS 155 Camera was detected on their USB ports. With Ubuntu 14.04 this is suddenly no longer true. BTW: My other camera, a ...
0
votes
0answers
38 views

connecting bada os phone to ubuntu

I have Samsung phone that runs bada os. I want to connect it via usb cable to Ubuntu to access the files on the phone, how do I do that? the phone shows connected, but I cannot see it on ubuntu.
0
votes
1answer
94 views

Ubuntu installation on USB

I have a 8GB pendrive which i want to use as my HDD I want the Ubuntu 14.04 to be installed on USB and i want possibility to save files on the USB, update the system and so on... I was thinking about ...
0
votes
1answer
350 views

Can I install Ubuntu/run Ubuntu live CD on an iMac G4 PowerMac6,1 without access to OS X

I have an iMac G4 PowerMac6,1 which has already seen some years and I would like to install Ubuntu on it (any version) by overwriting the current OS X installation which I can't and don't want to ...
0
votes
0answers
82 views

Problems with USB ports

I've recently installed Xubuntu 14.04 LTS on my Toshiba C55 (it has 3 usb ports, 1 USB2 on the left side and 1 USB2 and 1 USB3 on the right side). My mouse is connected on the right. The problem is ...
1
vote
0answers
704 views

USB Keyboard not working in the bootloader, but does in BIOS and OS's

I have Windows 8 and Ubuntu installed alongside on my computer. However, my USB keyboard doesn't seem to work when supposed to navigate the GRUB menu. This was also a problem when i only had Windows ...
0
votes
1answer
143 views

USB Hard drive Not displaying Ubuntu

I have a 2TB Verbatim USB 3 hard drive that was working fine one evening and not at all the next day. I cannot view or mount the partitions. Running "lsusb" shows that the hard drive is plugged in but ...
0
votes
1answer
392 views

Cannot boot from Ubuntu 14.04 live usb [duplicate]

I recently downloaded and created Ubuntu 14.04 32 bit using Unebootin. The process was successful,but after reboot the screen is stuck with Syslinux screen forever. I tried numerous times,but ...
0
votes
0answers
105 views

How to to get D-Link DWA-131 wireless USB Adapter working on 12.04?

I have installed 12.04 on my desktop (I was previously using Windows XP). With XP I was using a D-Link DWA-131(H/W ver B1 F/W Ver 2.01) wireless USB adapter for the internet and I have been trying ...